Import Lite2's src/lib, except for non-i386 machine-dependent directories,

libc/db, libc/gen/crypt.* and libtelnet.  All affected files except 3
unimportant ones have already left the vendor branch.

lib/csu/i386/Makefile

@@ -0,0 +1,25 @@
+#	@(#)Makefile	8.1 (Berkeley) 6/1/93
+
+CFLAGS=	-O -DLIBC_SCCS
+OBJS=	crt0.o gcrt0.o
+CLEANFILES+=	core a.out
+
+all: ${OBJS}
+
+crt0.o: crt0.c
+	${CC} ${CFLAGS} -c -DCRT0 ${.ALLSRC}
+	${LD} -x -r ${.TARGET}
+	mv a.out ${.TARGET}
+
+gcrt0.o: crt0.c
+	${CC} ${CFLAGS} -c -DMCRT0 ${.ALLSRC} -o ${.TARGET}
+	${LD} -x -r ${.TARGET}
+	mv a.out ${.TARGET}
+
+install:
+	install -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+depend lint tags:
+
+.include <bsd.prog.mk>

lib/csu/i386/crt0.c

@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)crt0.c	8.1 (Berkeley) 6/1/93";
+#endif /* not lint */
+
+/*
+ *	C start up routine.
+ *	Robert Henry, UCB, 20 Oct 81
+ *
+ *	We make the following (true) assumption:
+ *	1) The only register variable that we can trust is ebp,
+ *	which points to the base of the kernel calling frame.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+char **environ = (char **)0;
+static char empty[1];
+char *__progname = empty;
+static int fd;
+
+asm(".text");
+asm(".long 0xc000c000");
+
+extern	unsigned char	etext;
+extern	unsigned char	eprol asm ("eprol");
+extern			start() asm("start");
+
+start()
+{
+	struct kframe {
+		int	kargc;
+		char	*kargv[1];	/* size depends on kargc */
+		char	kargstr[1];	/* size varies */
+		char	kenvstr[1];	/* size varies */
+	};
+	/*
+	 *	ALL REGISTER VARIABLES!!!
+	 */
+	register struct kframe *kfp;	/* r10 */
+	register char **targv;
+	register char **argv;
+	extern int errno;
+	extern void _mcleanup();
+
+#ifdef lint
+	kfp = 0;
+	initcode = initcode = 0;
+#else
+	asm("lea 4(%ebp),%ebx");	/* catch it quick */
+#endif
+	for (argv = targv = &kfp->kargv[0]; *targv++; /* void */)
+		/* void */ ;
+	if (targv >= (char **)(*argv))
+		--targv;
+	environ = targv;
+asm("eprol:");
+
+#ifdef paranoid
+	/*
+	 * The standard I/O library assumes that file descriptors 0, 1, and 2
+	 * are open. If one of these descriptors is closed prior to the start 
+	 * of the process, I/O gets very confused. To avoid this problem, we
+	 * insure that the first three file descriptors are open before calling
+	 * main(). Normally this is undefined, as it adds two unnecessary
+	 * system calls.
+	 */
+	do	{
+		fd = open("/dev/null", 2);
+	} while (fd >= 0 && fd < 3);
+	close(fd);
+#endif
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup(&eprol, &etext);
+#endif
+	errno = 0;
+	if (argv[0])
+		if ((__progname = strrchr(argv[0], '/')) == NULL)
+			__progname = argv[0];
+		else
+			++__progname;
+	exit(main(kfp->kargc, argv, environ));
+}
+
+#ifdef CRT0
+/*
+ * null moncontrol just in case some routine is compiled for profiling
+ */
+moncontrol(val)
+	int val;
+{
+
+}
+#endif

lib/libc/compat-43/setregid.2

@@ -0,0 +1,93 @@
+.\" Copyright (c) 1980, 1991, 1993, 1994
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)setregid.2	8.2 (Berkeley) 4/16/94
+.\"
+.Dd April 16, 1994
+.Dt SETREGID 2
+.Os BSD 4.2
+.Sh NAME
+.Nm setregid
+.Nd set real and effective group ID
+.Sh SYNOPSIS
+.Fd #include <unistd.h>
+.Ft int
+.Fn setregid "gid_t rgid" "gid_t egid"
+.Sh DESCRIPTION
+The real and effective group ID's of the current process
+are set to the arguments.
+Unprivileged users may change the real group
+ID to the effective group ID and vice-versa; only the super-user may
+make other changes.
+.Pp
+Supplying a value of -1 for either the real or effective
+group ID forces the system to substitute the current
+ID in place of the -1 parameter.
+.Pp
+The
+.Fn setregid
+function was intended to allow swapping
+the real and effective group IDs
+in set-group-ID programs to temporarily relinquish the set-group-ID value.
+This function did not work correctly,
+and its purpose is now better served by the use of the
+.Fn setegid
+function (see
+.Xr setuid 2 ) .
+.Pp
+When setting the real and effective group IDs to the same value,
+the standard
+.Fn setgid
+function is preferred.
+.Sh RETURN VALUES
+Upon successful completion, a value of 0 is returned.  Otherwise,
+a value of -1 is returned and
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+.Bl -tag -width [EPERM]
+.It Bq Er EPERM
+The current process is not the super-user and a change
+other than changing the effective group-id to the real group-id
+was specified.
+.El
+.Sh SEE ALSO
+.Xr getgid 2 ,
+.Xr setegid 2 ,
+.Xr setgid 2 ,
+.Xr setuid 2
+.Sh HISTORY
+The
+.Nm
+function call appeared in
+.Bx 4.2
+and was dropped in
+.Bx 4.4 .

lib/libc/compat-43/setregid.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)setregid.c	8.1 (Berkeley) 6/2/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <errno.h>
+
+int
+setregid(rgid, egid)
+	gid_t rgid, egid;
+{
+	static gid_t savedgid = -1;
+	
+	if (savedgid == -1)
+		savedgid = getegid();
+	/*
+	 * we assume that the intent here is to be able to
+	 * get back rgid priviledge. So we make sure that
+	 * we will be able to do so, but do not actually
+	 * set the rgid.
+	 */
+	if (rgid != -1 && rgid != getgid() && rgid != savedgid) {
+		errno = EPERM;
+		return (-1);
+	}
+	if (egid != -1 && setegid(egid) < 0)
+		return (-1);
+	return (0);
+}

lib/libc/compat-43/setreuid.2

@@ -0,0 +1,91 @@
+.\" Copyright (c) 1980, 1991, 1993, 1994
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)setreuid.2	8.2 (Berkeley) 4/16/94
+.\"
+.Dd April 16, 1994
+.Dt SETREUID 2
+.Os BSD 4
+.Sh NAME
+.Nm setreuid
+.Nd set real and effective user ID's
+.Sh SYNOPSIS
+.Fd #include <unistd.h>
+.Ft int
+.Fn setreuid "uid_t ruid" "uid_t euid"
+.Sh DESCRIPTION
+The real and effective user IDs of the
+current process are set according to the arguments.
+If
+.Fa ruid
+or 
+.Fa euid
+is -1, the current uid is filled in by the system.
+Unprivileged users may change the real user
+ID to the effective user ID and vice-versa; only the super-user may
+make other changes.
+.Pp
+The
+.Fn setreuid
+function has been used to swap the real and effective user IDs
+in set-user-ID programs to temporarily relinquish the set-user-ID value.
+This purpose is now better served by the use of the
+.Fn seteuid
+function (see
+.Xr setuid 2 ) .
+.Pp
+When setting the real and effective user IDs to the same value,
+the standard
+.Fn setuid
+function is preferred.
+.Sh RETURN VALUES
+Upon successful completion, a value of 0 is returned.  Otherwise,
+a value of -1 is returned and
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+.Bl -tag -width [EPERM]
+.It Bq Er EPERM
+The current process is not the super-user and a change
+other than changing the effective user-id to the real user-id
+was specified.
+.El
+.Sh SEE ALSO
+.Xr getuid 2 ,
+.Xr seteuid 2 ,
+.Xr setuid 2
+.Sh HISTORY
+The
+.Nm
+function call appeared in
+.Bx 4.2
+and was dropped in
+.Bx 4.4 .

lib/libc/compat-43/setreuid.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)setreuid.c	8.1 (Berkeley) 6/2/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <errno.h>
+
+int
+setreuid(ruid, euid)
+	uid_t ruid, euid;
+{
+	static uid_t saveduid = -1;
+	
+	if (saveduid == -1)
+		saveduid = geteuid();
+	/*
+	 * we assume that the intent here is to be able to
+	 * get back ruid priviledge. So we make sure that
+	 * we will be able to do so, but do not actually
+	 * set the ruid.
+	 */
+	if (ruid != -1 && ruid != getuid() && ruid != saveduid) {
+		errno = EPERM;
+		return (-1);
+	}
+	if (euid != -1 && seteuid(euid) < 0)
+		return (-1);
+	return (0);
+}

lib/libc/gen/ctime.3

@@ -0,0 +1,258 @@
+.\" Copyright (c) 1989, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Arthur Olson.
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)ctime.3	8.1 (Berkeley) 6/4/93
+.\"
+.Dd June 4, 1993
+.Dt CTIME 3
+.Os BSD 4.3
+.Sh NAME
+.Nm asctime ,
+.Nm ctime ,
+.Nm difftime ,
+.Nm gmtime ,
+.Nm localtime ,
+.Nm mktime
+.Nd transform binary date and time value to
+.Tn ASCII
+.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <time.h>
+.Vt extern char *tzname[2];
+.Ft char *
+.Fn ctime "const time_t *clock"
+.Ft double
+.Fn difftime "time_t time1" "time_t time0"
+.Ft char *
+.Fn asctime "const struct tm *tm"
+.Ft struct tm *
+.Fn localtime "const time_t *clock"
+.Ft struct tm *
+.Fn gmtime "const time_t *clock"
+.Ft time_t
+.Fn mktime "struct tm *tm"
+.Sh DESCRIPTION
+The functions
+.Fn ctime ,
+.Fn gmtime
+and
+.Fn localtime
+all take as an argument a time value representing the time in seconds since
+the Epoch (00:00:00
+.Tn UTC ,
+January 1, 1970; see
+.Xr time 3 ) .
+.Pp
+The function
+.Fn localtime
+converts the time value pointed at by
+.Fa clock ,
+and returns a pointer to a
+.Dq Fa struct tm
+(described below) which contains
+the broken-out time information for the value after adjusting for the current
+time zone (and any other factors such as Daylight Saving Time).
+Time zone adjustments are performed as specified by the
+.Ev TZ
+environmental variable (see
+.Xr tzset 3 ) .
+The function
+.Fn localtime
+uses
+.Xr tzset
+to initialize time conversion information if
+.Xr tzset
+has not already been called by the process.
+.Pp
+After filling in the tm structure,
+.Fn localtime
+sets the
+.Fa tm_isdst Ns 'th
+element of
+.Fa tzname
+to a pointer to an
+.Tn ASCII
+string that's the time zone abbreviation to be
+used with
+.Fn localtime Ns 's
+return value.
+.Pp
+The function
+.Fn gmtime
+similarly converts the time value, but without any time zone adjustment,
+and returns a pointer to a tm structure (described below).
+.Pp
+The
+.Fn ctime
+function
+adjusts the time value for the current time zone in the same manner as
+.Fn localtime ,
+and returns a pointer to a 26-character string of the form:
+.Bd -literal -offset indent
+Thu Nov 24 18:22:48 1986\en\e0
+.Ed
+.Pp
+All the fields have constant width.
+.Pp
+The
+.Fn asctime
+function
+converts the broken down time in the structure
+.Fa tm
+pointed at by
+.Fa *tm
+to the form
+shown in the example above.
+.Pp
+The function
+.Fn mktime
+converts the broken-down time, expressed as local time, in the structure
+pointed to by tm into a time value with the same encoding as that of the
+values returned by the
+.Xr time 3
+function, that is, seconds from the Epoch,
+.Tn UTC .
+.Pp
+The original values of the
+.Fa tm_wday
+and
+.Fa tm_yday
+components of the structure are ignored, and the original values of the
+other components are not restricted to their normal ranges.
+(A positive or zero value for
+.Fa tm_isdst
+causes
+.Fn mktime
+to presume initially that summer time (for example, Daylight Saving Time)
+is or is not in effect for the specified time, respectively.
+A negative value for
+.Fa tm_isdst
+causes the
+.Fn mktime
+function to attempt to divine whether summer time is in effect for the
+specified time.)
+.Pp
+On successful completion, the values of the
+.Fa tm_wday
+and
+.Fa tm_yday
+components of the structure are set appropriately, and the other components
+are set to represent the specified calendar time, but with their values
+forced to their normal ranges; the final value of
+.Fa tm_mday
+is not set until
+.Fa tm_mon
+and
+.Fa tm_year
+are determined.
+.Fn Mktime
+returns the specified calendar time; if the calendar time cannot be
+represented, it returns \-1;
+.Pp
+The
+.Fn difftime
+function
+returns the difference between two calendar times,
+.Pf ( Fa time1
+-
+.Fa time0 ) ,
+expressed in seconds.
+.Pp
+External declarations as well as the tm structure definition are in the 
+.Aq Pa time.h
+include file.
+The tm structure includes at least the following fields:
+.Bd -literal -offset indent
+int tm_sec;	/\(** seconds (0 - 60) \(**/
+int tm_min;	/\(** minutes (0 - 59) \(**/
+int tm_hour;	/\(** hours (0 - 23) \(**/
+int tm_mday;	/\(** day of month (1 - 31) \(**/
+int tm_mon;	/\(** month of year (0 - 11) \(**/
+int tm_year;	/\(** year \- 1900 \(**/
+int tm_wday;	/\(** day of week (Sunday = 0) \(**/
+int tm_yday;	/\(** day of year (0 - 365) \(**/
+int tm_isdst;	/\(** is summer time in effect? \(**/
+char \(**tm_zone;	/\(** abbreviation of timezone name \(**/
+long tm_gmtoff;	/\(** offset from UTC in seconds \(**/
+.Ed
+.Pp
+The
+field
+.Fa tm_isdst
+is non-zero if summer time is in effect.
+.Pp
+The field
+.Fa tm_gmtoff
+is the offset (in seconds) of the time represented from
+.Tn UTC ,
+with positive
+values indicating east of the Prime Meridian.
+.Sh SEE ALSO
+.Xr date 1 ,
+.Xr gettimeofday 2 ,
+.Xr getenv 3 ,
+.Xr time 3 ,
+.Xr tzset 3 ,
+.Xr tzfile 5
+.Sh HISTORY
+This manual page is derived from
+the time package contributed to Berkeley by
+Arthur Olsen and which appeared in
+.Bx 4.3 .
+.Sh BUGS
+Except for 
+.Fn difftime
+and
+.Fn mktime ,
+these functions leaves their result in an internal static object and return
+a pointer to that object. Subsequent calls to these
+function will modify the same object.
+.Pp
+The
+.Fa tm_zone
+field of a returned tm structure points to a static array of characters,
+which will also be overwritten by any subsequent calls (as well as by
+subsequent calls to
+.Xr tzset 3
+and
+.Xr tzsetwall 3 ) .
+.Pp
+Use of the external variable
+.Fa tzname
+is discouraged; the
+.Fa tm_zone
+entry in the tm structure is preferred.
+.Pp
+Avoid using out-of-range values with
+.Fn mktime
+when setting up lunch with promptness sticklers in Riyadh.

lib/libc/gen/difftime.c

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)difftime.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+
+double
+difftime(time1, time0)
+	time_t time1, time0;
+{
+	return(time1 - time0);
+}

lib/libc/i386/gen/_setjmp.s

@@ -0,0 +1,78 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)_setjmp.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * C library -- _setjmp, _longjmp
+ *
+ *	_longjmp(a,v)
+ * will generate a "return(v)" from the last call to
+ *	_setjmp(a)
+ * by restoring registers from the stack.
+ * The previous signal state is NOT restored.
+ */
+
+#include "DEFS.h"
+
+ENTRY(_setjmp)
+	movl	4(%esp),%eax
+	movl	0(%esp),%edx
+	movl	%edx, 0(%eax)		/* rta */
+	movl	%ebx, 4(%eax)
+	movl	%esp, 8(%eax)
+	movl	%ebp,12(%eax)
+	movl	%esi,16(%eax)
+	movl	%edi,20(%eax)
+	movl	$0,%eax
+	ret
+
+ENTRY(_longjmp)
+	movl	4(%esp),%edx
+	movl	8(%esp),%eax
+	movl	0(%edx),%ecx
+	movl	4(%edx),%ebx
+	movl	8(%edx),%esp
+	movl	12(%edx),%ebp
+	movl	16(%edx),%esi
+	movl	20(%edx),%edi
+	cmpl	$0,%eax
+	jne	1f
+	movl	$1,%eax
+1:	movl	%ecx,0(%esp)
+	ret

lib/libc/i386/gen/alloca.s

@@ -0,0 +1,57 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)alloca.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/* like alloc, but automatic automatic free in return */
+
+#include "DEFS.h"
+
+ENTRY(alloca)
+	popl	%edx		/*  pop return addr */
+	popl	%eax		/*  pop amount to allocate */
+	movl	%esp,%ecx
+	addl	$3,%eax		/*  round up to next word */
+	andl	$0xfffffffc,%eax
+	subl	%eax,%esp
+	movl	%esp,%eax	/* base of newly allocated space */
+	pushl	8(%ecx)		/* copy possible saved registers */
+	pushl	4(%ecx)
+	pushl	0(%ecx)
+	pushl	%eax		/* dummy to pop at callsite */
+	jmp	%edx		/* "return" */

lib/libc/i386/gen/divsi3.s

@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)divsi3.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+	.globl ___divsi3
+___divsi3:
+	movl 4(%esp),%eax
+	cltd
+	idivl 8(%esp)
+	ret

lib/libc/i386/gen/fabs.s

@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)fabs.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(fabs)
+	fldl	4(%esp)
+	fabs
+	ret

lib/libc/i386/gen/fixdfsi.s

@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)fixdfsi.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+	.globl ___fixdfsi
+___fixdfsi:
+	fldl	4(%esp)
+	fistpl	4(%esp)
+	movl	4(%esp),%eax
+	ret

lib/libc/i386/gen/fixunsdfsi.s

@@ -0,0 +1,60 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)fixunsdfsi.s	8.1	6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+	.globl ___fixunsdfsi
+___fixunsdfsi:
+	fldl	4(%esp)		/* argument double to accum stack */
+	frndint			/* create integer */
+	fcoml	fbiggestsigned	/* bigger than biggest signed? */
+	fstsw	%ax
+	sahf
+	jnb	1f
+	
+	fistpl	4(%esp)
+	movl	4(%esp),%eax
+	ret
+
+1:	fsubl	fbiggestsigned	/* reduce for proper conversion */
+	fistpl	4(%esp)		/* convert */
+	movl	4(%esp),%eax
+	orl	$0x80000000,%eax	/* restore bias */
+	ret
+
+fbiggestsigned:	.double	0r2147483648.0

lib/libc/i386/gen/modf.s

@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Sean Eric Fagan.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)modf.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * modf(value, iptr): return fractional part of value, and stores the
+ * integral part into iptr (a pointer to double).
+ *
+ * Written by Sean Eric Fagan (sef@kithrup.COM)
+ * Sun Mar 11 20:27:30 PST 1990
+ */
+
+/* With CHOP mode on, frndint behaves as TRUNC does.  Useful. */
+.text
+.globl _modf
+_modf:
+	pushl %ebp
+	movl %esp,%ebp
+	subl $16,%esp
+	fnstcw -12(%ebp)
+	movw -12(%ebp),%dx
+	orw $3072,%dx
+	movw %dx,-16(%ebp)
+	fldcw -16(%ebp)
+	fldl 8(%ebp)
+	frndint
+	fstpl -8(%ebp)
+	fldcw -12(%ebp)
+	movl 16(%ebp),%eax
+	movl -8(%ebp),%edx
+	movl -4(%ebp),%ecx
+	movl %edx,(%eax)
+	movl %ecx,4(%eax)
+	fldl 8(%ebp)
+	fsubl -8(%ebp)
+	jmp L1
+L1:
+	leave
+	ret

lib/libc/i386/gen/setjmp.s

@@ -0,0 +1,86 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)setjmp.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * C library -- _setjmp, _longjmp
+ *
+ *	longjmp(a,v)
+ * will generate a "return(v)" from the last call to
+ *	setjmp(a)
+ * by restoring registers from the stack.
+ * The previous signal state is restored.
+ */
+
+#include "DEFS.h"
+
+ENTRY(setjmp)
+	pushl	$0
+	call	_sigblock
+	popl	%edx
+	movl	4(%esp),%ecx 
+	movl	0(%esp),%edx
+	movl	%edx, 0(%ecx)
+	movl	%ebx, 4(%ecx)
+	movl	%esp, 8(%ecx)
+	movl	%ebp,12(%ecx)
+	movl	%esi,16(%ecx)
+	movl	%edi,20(%ecx)
+	movl	%eax,24(%ecx)
+	movl	$0,%eax
+	ret
+
+ENTRY(longjmp)
+	movl	4(%esp),%edx
+	pushl	24(%edx)
+	call	_sigsetmask
+	popl	%eax
+	movl	4(%esp),%edx
+	movl	8(%esp),%eax
+	movl	0(%edx),%ecx
+	movl	4(%edx),%ebx
+	movl	8(%edx),%esp
+	movl	12(%edx),%ebp
+	movl	16(%edx),%esi
+	movl	20(%edx),%edi
+	cmpl	$0,%eax
+	jne	1f
+	movl	$1,%eax
+1:	movl	%ecx,0(%esp)
+	ret

lib/libc/i386/gen/udivsi3.s

@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)udivsi3.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+	.globl ___udivsi3
+___udivsi3:
+	movl 4(%esp),%eax
+	xorl %edx,%edx
+	divl 8(%esp)
+	ret

lib/libc/i386/net/htonl.s

@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)htonl.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/* netorder = htonl(hostorder) */
+
+#include "DEFS.h"
+
+ENTRY(htonl)
+	movl	4(%esp),%eax
+	xchgb	%al,%ah
+	roll	$16,%eax
+	xchgb	%al,%ah
+	ret

lib/libc/i386/net/htons.s

@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)htons.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/* netorder = htons(hostorder) */
+
+#include "DEFS.h"
+
+ENTRY(htons)
+	movzwl	4(%esp),%eax
+	xchgb	%al,%ah
+	ret

lib/libc/i386/net/ntohl.s

@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)ntohl.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/* hostorder = ntohl(netorder) */
+
+#include "DEFS.h"
+
+ENTRY(ntohl)
+	movl	4(%esp),%eax
+	xchgb	%al,%ah
+	roll	$16,%eax
+	xchgb	%al,%ah
+	ret

lib/libc/i386/net/ntohs.s

@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)ntohs.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/* hostorder = ntohs(netorder) */
+
+#include "DEFS.h"
+
+ENTRY(ntohs)
+	movzwl	4(%esp),%eax
+	xchgb	%al,%ah
+	ret

lib/libc/i386/stdlib/abs.s

@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)abs.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(abs)
+	movl	4(%esp),%eax
+	cmpl	$0,%eax
+	jge	1f
+	negl	%eax
+1:	ret

lib/libc/i386/string/bzero.s

@@ -0,0 +1,53 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)bzero.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+/* bzero (base,cnt) */
+
+	.globl _bzero
+_bzero:
+	pushl	%edi
+	movl	8(%esp),%edi
+	movl	12(%esp),%ecx
+	movb	$0x00,%al
+	cld
+	rep
+	stosb
+	popl	%edi
+	ret

lib/libc/i386/sys/Ovfork.s

@@ -0,0 +1,70 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)Ovfork.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+/*
+ * pid = vfork();
+ *
+ * %edx == 0 in parent process, %edx == 1 in child process.
+ * %eax == pid of child in parent, %eax == pid of parent in child.
+ *
+ */
+	.set	vfork,66
+.globl	_vfork
+
+_vfork:
+	popl	%ecx		/* my rta into ecx */
+	movl	$vfork, %eax
+	LCALL(7,0)
+	jb	verror
+vforkok:
+	cmpl	$0,%edx		/* child process? */
+	jne	child		/* yes */
+	jmp 	parent 
+.globl	_errno
+verror:
+	movl	%eax,_errno
+	movl	$-1,%eax
+	jmp	%ecx
+child:
+	movl	$0,%eax
+parent:
+	jmp	%ecx

lib/libc/i386/sys/brk.s

@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)brk.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+#define	SYS_brk		17
+
+	.globl	curbrk
+	.globl	minbrk
+ENTRY(_brk)
+	jmp	ok
+
+ENTRY(brk)
+	movl	4(%esp),%eax
+	cmpl	%eax,minbrk
+	jl	ok
+	movl	minbrk,%eax
+	movl	%eax,4(%esp)
+ok:
+	lea	SYS_brk,%eax
+	LCALL(7,0)
+	jb	err
+	movl	4(%esp),%eax
+	movl	%eax,curbrk
+	movl	$0,%eax
+	ret
+err:
+	jmp	cerror

lib/libc/i386/sys/cerror.s

@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)cerror.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+	.globl	_errno
+cerror:
+	movl	%eax,_errno
+	movl	$-1,%eax
+	ret

lib/libc/i386/sys/exect.s

@@ -0,0 +1,52 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)exect.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+#include <machine/psl.h>
+
+ENTRY(exect)
+	lea	SYS_execve,%eax
+	pushf
+	popl	%edx
+	orl	$ PSL_T,%edx
+	pushl	%edx
+	popf
+	LCALL(7,0)
+	jmp	cerror		/* exect(file, argv, env); */

lib/libc/i386/sys/fork.s

@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)fork.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(fork)
+	cmpl	$0,%edx	/* parent, since %edx == 0 in parent, 1 in child */
+	je	1f
+	movl	$0,%eax
+1:
+	ret		/* pid = fork(); */

lib/libc/i386/sys/mount.s

@@ -0,0 +1,45 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)mount.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(mount)
+	movl	$0,%eax
+	ret

lib/libc/i386/sys/pipe.s

@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)pipe.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(pipe)
+	movl	4(%esp),%ecx
+	movl	%eax,(%ecx)
+	movl	%edx,4(%ecx)
+	movl	$0,%eax
+	ret

lib/libc/i386/sys/ptrace.s

@@ -0,0 +1,51 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)ptrace.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+ENTRY(ptrace)
+	xorl	%eax,%eax
+	movl	%eax,_errno
+	lea	SYS_ptrace,%eax
+	LCALL(7,0)
+	jb	err
+	ret
+err:
+	jmp	cerror

lib/libc/i386/sys/reboot.s

@@ -0,0 +1,44 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)reboot.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(reboot)
+	iret

lib/libc/i386/sys/sbrk.s

@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)sbrk.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+#define	SYS_brk		17
+
+	.globl	_end
+	.globl	minbrk
+	.globl	curbrk
+
+	.data
+minbrk:	.long	_end
+curbrk:	.long	_end
+	.text
+
+ENTRY(sbrk)
+	movl	4(%esp),%ecx
+	movl	curbrk,%eax
+	addl	%eax,4(%esp)
+	lea	SYS_brk,%eax
+	LCALL(7,0)
+	jb	err
+	movl	curbrk,%eax
+	addl	%ecx,curbrk
+	ret
+err:
+	jmp	cerror

lib/libc/i386/sys/setlogin.s

@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)setlogin.s	8.1 (Berkeley) 6/4/93"
+#endif /* LIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+.globl	__logname_valid		/* in getlogin() */
+
+SYSCALL(setlogin)
+	movl	$0,__logname_valid
+	ret				/* setlogin(name) */

lib/libc/i386/sys/sigpending.s

@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)sigpending.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(sigpending)
+	movl	4(%esp),%ecx		# fetch pointer to...
+	movl	%eax,(%ecx)		# store old mask
+	xorl	%eax,%eax
+	ret

lib/libc/i386/sys/sigprocmask.s

@@ -0,0 +1,64 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)sigprocmask.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+err:
+	jmp	cerror
+
+ENTRY(sigprocmask)
+	movl	8(%esp),%ecx		# fetch new sigset pointer
+	cmpl	$0,%ecx			# check new sigset pointer
+	jne	1f			# if not null, indirect
+/*	movl	$0,8(%esp)		# null mask pointer: block empty set */
+	movl	$1,4(%esp)		# SIG_BLOCK
+	jmp	2f
+1:	movl	(%ecx),%ecx		# fetch indirect  ...
+	movl	%ecx,8(%esp)		# to new mask arg
+2:	movl	$ SYS_sigprocmask , %eax
+	LCALL(0x7,0)
+	jb	err
+	movl	12(%esp),%ecx		# fetch old mask requested
+	cmpl	$0,%ecx			# test if old mask requested
+	je	out
+	movl	%eax,(%ecx)		# store old mask
+out:
+	xorl	%eax,%eax
+	ret

lib/libc/i386/sys/sigreturn.s

@@ -0,0 +1,54 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)sigreturn.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+/*
+ * We must preserve the state of the registers as the user has set them up.
+ */
+#ifdef PROF
+#undef ENTRY
+#define	ENTRY(x) \
+	.globl _/**/x; .align 2; _/**/x:  pusha ; \
+	.data; 1:; .long 0; .text; movl $1b,%eax; call mcount; popa ; nop
+#endif /* PROF */
+
+SYSCALL(sigreturn)
+	ret

lib/libc/i386/sys/sigsuspend.s

@@ -0,0 +1,54 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)sigsuspend.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+err:
+	jmp	cerror
+
+ENTRY(sigsuspend)
+	movl	4(%esp),%eax		# fetch mask arg
+	movl	(%eax),%eax		# indirect to mask arg
+	movl	%eax,4(%esp)
+	movl	$ SYS_sigsuspend ,%eax
+	LCALL(0x7,0)
+	jb	err
+	xorl	%eax,%eax		# shouldn t happen
+	ret

lib/libc/i386/sys/syscall.s

@@ -0,0 +1,51 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+	.asciz "@(#)syscall.s	8.1 (Berkeley) 6/4/93"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include "SYS.h"
+
+ENTRY(syscall)
+	pop	%ecx	/* rta */
+	pop	%eax	/* syscall number */
+	push	%ecx
+	LCALL(7,0)
+	jb	1f
+	ret
+1:
+	jmp	cerror

lib/libc/net/getnetbyname.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getnetbyname.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <netdb.h>
+#include <string.h>
+
+extern int _net_stayopen;
+
+struct netent *
+getnetbyname(name)
+	register const char *name;
+{
+	register struct netent *p;
+	register char **cp;
+
+	setnetent(_net_stayopen);
+	while (p = getnetent()) {
+		if (strcmp(p->n_name, name) == 0)
+			break;
+		for (cp = p->n_aliases; *cp != 0; cp++)
+			if (strcmp(*cp, name) == 0)
+				goto found;
+	}
+found:
+	if (!_net_stayopen)
+		endnetent();
+	return (p);
+}

lib/libc/net/getnetent.c

@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getnetent.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+
+#define	MAXALIASES	35
+
+static FILE *netf;
+static char line[BUFSIZ+1];
+static struct netent net;
+static char *net_aliases[MAXALIASES];
+int _net_stayopen;
+
+void
+setnetent(f)
+	int f;
+{
+	if (netf == NULL)
+		netf = fopen(_PATH_NETWORKS, "r" );
+	else
+		rewind(netf);
+	_net_stayopen |= f;
+}
+
+void
+endnetent()
+{
+	if (netf) {
+		fclose(netf);
+		netf = NULL;
+	}
+	_net_stayopen = 0;
+}
+
+struct netent *
+getnetent()
+{
+	char *p;
+	register char *cp, **q;
+
+	if (netf == NULL && (netf = fopen(_PATH_NETWORKS, "r" )) == NULL)
+		return (NULL);
+again:
+	p = fgets(line, BUFSIZ, netf);
+	if (p == NULL)
+		return (NULL);
+	if (*p == '#')
+		goto again;
+	cp = strpbrk(p, "#\n");
+	if (cp == NULL)
+		goto again;
+	*cp = '\0';
+	net.n_name = p;
+	cp = strpbrk(p, " \t");
+	if (cp == NULL)
+		goto again;
+	*cp++ = '\0';
+	while (*cp == ' ' || *cp == '\t')
+		cp++;
+	p = strpbrk(cp, " \t");
+	if (p != NULL)
+		*p++ = '\0';
+	net.n_net = inet_network(cp);
+	net.n_addrtype = AF_INET;
+	q = net.n_aliases = net_aliases;
+	if (p != NULL) 
+		cp = p;
+	while (cp && *cp) {
+		if (*cp == ' ' || *cp == '\t') {
+			cp++;
+			continue;
+		}
+		if (q < &net_aliases[MAXALIASES - 1])
+			*q++ = cp;
+		cp = strpbrk(cp, " \t");
+		if (cp != NULL)
+			*cp++ = '\0';
+	}
+	*q = NULL;
+	return (&net);
+}

lib/libc/net/getservent.3

@@ -0,0 +1,155 @@
+.\" Copyright (c) 1983, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)getservent.3	8.4 (Berkeley) 5/25/95
+.\"
+.Dd May 25, 1995
+.Dt GETSERVENT 3
+.Os BSD 4.2
+.Sh NAME
+.Nm getservent ,
+.Nm getservbyport ,
+.Nm getservbyname ,
+.Nm setservent ,
+.Nm endservent
+.Nd get service entry
+.Sh SYNOPSIS
+.Fd #include <netdb.h>
+.Ft struct servent *
+.Fn getservent 
+.Ft struct servent *
+.Fn getservbyname "char *name" "char *proto"
+.Ft struct servent *
+.Fn getservbyport "int port" proto
+.Ft void
+.Fn setservent "int stayopen"
+.Ft void
+.Fn endservent void
+.Sh DESCRIPTION
+The
+.Fn getservent ,
+.Fn getservbyname ,
+and
+.Fn getservbyport
+functions
+each return a pointer to an object with the
+following structure
+containing the broken-out
+fields of a line in the network services data base,
+.Pa /etc/services .
+.Bd -literal -offset indent
+struct	servent {
+	char	*s_name;	/* official name of service */
+	char	**s_aliases;	/* alias list */
+	int	s_port;		/* port service resides at */
+	char	*s_proto;	/* protocol to use */
+};
+.Ed
+.Pp
+The members of this structure are:
+.Bl -tag -width s_aliases
+.It Fa s_name
+The official name of the service.
+.It Fa s_aliases
+A NULL-terminated list of alternate names for the service.
+.It Fa s_port
+The port number at which the service resides.
+Port numbers are returned in network byte order.
+.It Fa s_proto
+The name of the protocol to use when contacting the
+service.
+.El
+.Pp
+The
+.Fn getservent
+function
+reads the next line of the file, opening the file if necessary.
+.Pp
+The
+.Fn setservent
+function
+opens and rewinds the file.  If the
+.Fa stayopen
+flag is non-zero,
+the net data base will not be closed after each call to 
+.Fn getservbyname
+or
+.Fn getservbyport .
+.Pp
+The
+.Fn endservent
+function
+closes the file.
+.Pp
+The
+.Fn getservbyname
+and
+.Fn getservbyport
+functions
+sequentially search from the beginning
+of the file until a matching
+protocol name or
+port number is found,
+or until
+.Dv EOF
+is encountered.
+If a protocol name is also supplied (non-\c
+.Dv NULL ) , 
+searches must also match the protocol.
+.ne 1i
+.Sh FILES
+.Bl -tag -width /etc/services -compact
+.It Pa /etc/services
+.El
+.Sh DIAGNOSTICS
+Null pointer
+(0) returned on
+.Dv EOF
+or error.
+.Sh SEE ALSO
+.Xr getprotoent 3 ,
+.Xr services 5
+.Sh HISTORY
+The
+.Fn getservent ,
+.Fn getservbyport ,
+.Fn getservbyname ,
+.Fn setservent ,
+and
+.Fn endservent
+functions appeared in 
+.Bx 4.2 .
+.Sh BUGS
+These functions use static data storage;
+if the data is needed for future use, it should be
+copied before any subsequent calls overwrite it.
+Expecting port numbers to fit in a 32 bit
+quantity is probably naive.

lib/libc/net/res_comp.c

@@ -0,0 +1,355 @@
+/*-
+ * Copyright (c) 1985, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)res_comp.c	8.1 (Berkeley) 6/4/93";
+static char rcsid[] = "$Id: res_comp.c,v 4.9.1.1 1993/05/02 22:43:03 vixie Rel $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <arpa/nameser.h>
+#include <netinet/in.h>
+#include <resolv.h>
+#include <stdio.h>
+
+static int dn_find();
+
+/*
+ * Expand compressed domain name 'comp_dn' to full domain name.
+ * 'msg' is a pointer to the begining of the message,
+ * 'eomorig' points to the first location after the message,
+ * 'exp_dn' is a pointer to a buffer of size 'length' for the result.
+ * Return size of compressed name or -1 if there was an error.
+ */
+dn_expand(msg, eomorig, comp_dn, exp_dn, length)
+	const u_char *msg, *eomorig, *comp_dn;
+	u_char *exp_dn;
+	int length;
+{
+	register u_char *cp, *dn;
+	register int n, c;
+	u_char *eom;
+	int len = -1, checked = 0;
+
+	dn = exp_dn;
+	cp = (u_char *)comp_dn;
+	eom = exp_dn + length;
+	/*
+	 * fetch next label in domain name
+	 */
+	while (n = *cp++) {
+		/*
+		 * Check for indirection
+		 */
+		switch (n & INDIR_MASK) {
+		case 0:
+			if (dn != exp_dn) {
+				if (dn >= eom)
+					return (-1);
+				*dn++ = '.';
+			}
+			if (dn+n >= eom)
+				return (-1);
+			checked += n + 1;
+			while (--n >= 0) {
+				if ((c = *cp++) == '.') {
+					if (dn + n + 2 >= eom)
+						return (-1);
+					*dn++ = '\\';
+				}
+				*dn++ = c;
+				if (cp >= eomorig)	/* out of range */
+					return(-1);
+			}
+			break;
+
+		case INDIR_MASK:
+			if (len < 0)
+				len = cp - comp_dn + 1;
+			cp = (u_char *)msg + (((n & 0x3f) << 8) | (*cp & 0xff));
+			if (cp < msg || cp >= eomorig)	/* out of range */
+				return(-1);
+			checked += 2;
+			/*
+			 * Check for loops in the compressed name;
+			 * if we've looked at the whole message,
+			 * there must be a loop.
+			 */
+			if (checked >= eomorig - msg)
+				return (-1);
+			break;
+
+		default:
+			return (-1);			/* flag error */
+		}
+	}
+	*dn = '\0';
+	if (len < 0)
+		len = cp - comp_dn;
+	return (len);
+}
+
+/*
+ * Compress domain name 'exp_dn' into 'comp_dn'.
+ * Return the size of the compressed name or -1.
+ * 'length' is the size of the array pointed to by 'comp_dn'.
+ * 'dnptrs' is a list of pointers to previous compressed names. dnptrs[0]
+ * is a pointer to the beginning of the message. The list ends with NULL.
+ * 'lastdnptr' is a pointer to the end of the arrary pointed to
+ * by 'dnptrs'. Side effect is to update the list of pointers for
+ * labels inserted into the message as we compress the name.
+ * If 'dnptr' is NULL, we don't try to compress names. If 'lastdnptr'
+ * is NULL, we don't update the list.
+ */
+dn_comp(exp_dn, comp_dn, length, dnptrs, lastdnptr)
+	const u_char *exp_dn;
+	u_char *comp_dn, **dnptrs, **lastdnptr;
+	int length;
+{
+	register u_char *cp, *dn;
+	register int c, l;
+	u_char **cpp, **lpp, *sp, *eob;
+	u_char *msg;
+
+	dn = (u_char *)exp_dn;
+	cp = comp_dn;
+	eob = cp + length;
+	if (dnptrs != NULL) {
+		if ((msg = *dnptrs++) != NULL) {
+			for (cpp = dnptrs; *cpp != NULL; cpp++)
+				;
+			lpp = cpp;	/* end of list to search */
+		}
+	} else
+		msg = NULL;
+	for (c = *dn++; c != '\0'; ) {
+		/* look to see if we can use pointers */
+		if (msg != NULL) {
+			if ((l = dn_find(dn-1, msg, dnptrs, lpp)) >= 0) {
+				if (cp+1 >= eob)
+					return (-1);
+				*cp++ = (l >> 8) | INDIR_MASK;
+				*cp++ = l % 256;
+				return (cp - comp_dn);
+			}
+			/* not found, save it */
+			if (lastdnptr != NULL && cpp < lastdnptr-1) {
+				*cpp++ = cp;
+				*cpp = NULL;
+			}
+		}
+		sp = cp++;	/* save ptr to length byte */
+		do {
+			if (c == '.') {
+				c = *dn++;
+				break;
+			}
+			if (c == '\\') {
+				if ((c = *dn++) == '\0')
+					break;
+			}
+			if (cp >= eob) {
+				if (msg != NULL)
+					*lpp = NULL;
+				return (-1);
+			}
+			*cp++ = c;
+		} while ((c = *dn++) != '\0');
+		/* catch trailing '.'s but not '..' */
+		if ((l = cp - sp - 1) == 0 && c == '\0') {
+			cp--;
+			break;
+		}
+		if (l <= 0 || l > MAXLABEL) {
+			if (msg != NULL)
+				*lpp = NULL;
+			return (-1);
+		}
+		*sp = l;
+	}
+	if (cp >= eob) {
+		if (msg != NULL)
+			*lpp = NULL;
+		return (-1);
+	}
+	*cp++ = '\0';
+	return (cp - comp_dn);
+}
+
+/*
+ * Skip over a compressed domain name. Return the size or -1.
+ */
+__dn_skipname(comp_dn, eom)
+	const u_char *comp_dn, *eom;
+{
+	register u_char *cp;
+	register int n;
+
+	cp = (u_char *)comp_dn;
+	while (cp < eom && (n = *cp++)) {
+		/*
+		 * check for indirection
+		 */
+		switch (n & INDIR_MASK) {
+		case 0:		/* normal case, n == len */
+			cp += n;
+			continue;
+		default:	/* illegal type */
+			return (-1);
+		case INDIR_MASK:	/* indirection */
+			cp++;
+		}
+		break;
+	}
+	return (cp - comp_dn);
+}
+
+/*
+ * Search for expanded name from a list of previously compressed names.
+ * Return the offset from msg if found or -1.
+ * dnptrs is the pointer to the first name on the list,
+ * not the pointer to the start of the message.
+ */
+static int
+dn_find(exp_dn, msg, dnptrs, lastdnptr)
+	u_char *exp_dn, *msg;
+	u_char **dnptrs, **lastdnptr;
+{
+	register u_char *dn, *cp, **cpp;
+	register int n;
+	u_char *sp;
+
+	for (cpp = dnptrs; cpp < lastdnptr; cpp++) {
+		dn = exp_dn;
+		sp = cp = *cpp;
+		while (n = *cp++) {
+			/*
+			 * check for indirection
+			 */
+			switch (n & INDIR_MASK) {
+			case 0:		/* normal case, n == len */
+				while (--n >= 0) {
+					if (*dn == '.')
+						goto next;
+					if (*dn == '\\')
+						dn++;
+					if (*dn++ != *cp++)
+						goto next;
+				}
+				if ((n = *dn++) == '\0' && *cp == '\0')
+					return (sp - msg);
+				if (n == '.')
+					continue;
+				goto next;
+
+			default:	/* illegal type */
+				return (-1);
+
+			case INDIR_MASK:	/* indirection */
+				cp = msg + (((n & 0x3f) << 8) | *cp);
+			}
+		}
+		if (*dn == '\0')
+			return (sp - msg);
+	next:	;
+	}
+	return (-1);
+}
+
+/*
+ * Routines to insert/extract short/long's. Must account for byte
+ * order and non-alignment problems. This code at least has the
+ * advantage of being portable.
+ *
+ * used by sendmail.
+ */
+
+u_short
+_getshort(msgp)
+	register u_char *msgp;
+{
+	register u_int16_t u;
+
+	GETSHORT(u, msgp);
+	return (u);
+}
+
+u_int32_t
+_getlong(msgp)
+	register u_char *msgp;
+{
+	register u_int32_t u;
+
+	GETLONG(u, msgp);
+	return (u);
+}
+
+void
+#if defined(__STDC__) || defined(__cplusplus)
+__putshort(register u_short s, register u_char *msgp)
+#else
+__putshort(s, msgp)
+	register u_int16_t s;
+	register u_char *msgp;
+#endif
+{
+	PUTSHORT(s, msgp);
+}
+
+void
+__putlong(l, msgp)
+	register u_int32_t l;
+	register u_char *msgp;
+{
+	PUTLONG(l, msgp);
+}

lib/libc/net/res_debug.c

@@ -0,0 +1,739 @@
+/*-
+ * Copyright (c) 1985, 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)res_debug.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <stdio.h>
+#include <string.h>
+
+void __fp_query();
+char *__p_class(), *__p_time(), *__p_type();
+char *p_cdname(), *p_fqname(), *p_rr();
+static char *p_option __P((u_int32_t));
+
+char *_res_opcodes[] = {
+	"QUERY",
+	"IQUERY",
+	"CQUERYM",
+	"CQUERYU",
+	"4",
+	"5",
+	"6",
+	"7",
+	"8",
+	"UPDATEA",
+	"UPDATED",
+	"UPDATEDA",
+	"UPDATEM",
+	"UPDATEMA",
+	"ZONEINIT",
+	"ZONEREF",
+};
+
+char *_res_resultcodes[] = {
+	"NOERROR",
+	"FORMERR",
+	"SERVFAIL",
+	"NXDOMAIN",
+	"NOTIMP",
+	"REFUSED",
+	"6",
+	"7",
+	"8",
+	"9",
+	"10",
+	"11",
+	"12",
+	"13",
+	"14",
+	"NOCHANGE",
+};
+
+static char retbuf[16];
+
+static char *
+dewks(wks)
+	int wks;
+{
+	switch (wks) {
+	case 5: return("rje");
+	case 7: return("echo");
+	case 9: return("discard");
+	case 11: return("systat");
+	case 13: return("daytime");
+	case 15: return("netstat");
+	case 17: return("qotd");
+	case 19: return("chargen");
+	case 20: return("ftp-data");
+	case 21: return("ftp");
+	case 23: return("telnet");
+	case 25: return("smtp");
+	case 37: return("time");
+	case 39: return("rlp");
+	case 42: return("name");
+	case 43: return("whois");
+	case 53: return("domain");
+	case 57: return("apts");
+	case 59: return("apfs");
+	case 67: return("bootps");
+	case 68: return("bootpc");
+	case 69: return("tftp");
+	case 77: return("rje");
+	case 79: return("finger");
+	case 87: return("link");
+	case 95: return("supdup");
+	case 100: return("newacct");
+	case 101: return("hostnames");
+	case 102: return("iso-tsap");
+	case 103: return("x400");
+	case 104: return("x400-snd");
+	case 105: return("csnet-ns");
+	case 109: return("pop-2");
+	case 111: return("sunrpc");
+	case 113: return("auth");
+	case 115: return("sftp");
+	case 117: return("uucp-path");
+	case 119: return("nntp");
+	case 121: return("erpc");
+	case 123: return("ntp");
+	case 133: return("statsrv");
+	case 136: return("profile");
+	case 144: return("NeWS");
+	case 161: return("snmp");
+	case 162: return("snmp-trap");
+	case 170: return("print-srv");
+	default: (void) sprintf(retbuf, "%d", wks); return(retbuf);
+	}
+}
+
+static char *
+deproto(protonum)
+	int protonum;
+{
+	switch (protonum) {
+	case 1: return("icmp");
+	case 2: return("igmp");
+	case 3: return("ggp");
+	case 5: return("st");
+	case 6: return("tcp");
+	case 7: return("ucl");
+	case 8: return("egp");
+	case 9: return("igp");
+	case 11: return("nvp-II");
+	case 12: return("pup");
+	case 16: return("chaos");
+	case 17: return("udp");
+	default: (void) sprintf(retbuf, "%d", protonum); return(retbuf);
+	}
+}
+
+static char *
+do_rrset(msg, cp, cnt, pflag, file, hs)
+	int cnt, pflag;
+	char *cp,*msg, *hs;
+	FILE *file;
+{
+	int n;
+	int sflag;
+	/*
+	 * Print  answer records
+	 */
+	sflag = (_res.pfcode & pflag);
+	if (n = ntohs(cnt)) {
+		if ((!_res.pfcode) || ((sflag) && (_res.pfcode & RES_PRF_HEAD1)))
+			fprintf(file, hs);
+		while (--n >= 0) {
+			cp = p_rr(cp, msg, file);
+			if ((cp-msg) > PACKETSZ)
+				return (NULL);
+		}
+		if ((!_res.pfcode) || ((sflag) && (_res.pfcode & RES_PRF_HEAD1)))
+			putc('\n', file);
+	}
+	return(cp);
+}
+
+__p_query(msg)
+	char *msg;
+{
+	__fp_query(msg, stdout);
+}
+
+/*
+ * Print the current options.
+ * This is intended to be primarily a debugging routine.
+ */
+void
+__fp_resstat(statp, file)
+	struct __res_state *statp;
+	FILE *file;
+{
+	int bit;
+
+	fprintf(file, ";; res options:");
+	if (!statp)
+		statp = &_res;
+	for (bit = 0;  bit < 32;  bit++) {	/* XXX 32 - bad assumption! */
+		if (statp->options & (1<<bit))
+			fprintf(file, " %s", p_option(1<<bit));
+	}
+	putc('\n', file);
+}
+
+/*
+ * Print the contents of a query.
+ * This is intended to be primarily a debugging routine.
+ */
+void
+__fp_query(msg,file)
+	char *msg;
+	FILE *file;
+{
+	register char *cp;
+	register HEADER *hp;
+	register int n;
+
+	/*
+	 * Print header fields.
+	 */
+	hp = (HEADER *)msg;
+	cp = msg + sizeof(HEADER);
+	if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX) || hp->rcode) {
+		fprintf(file,";; ->>HEADER<<- opcode: %s, status: %s, id: %d",
+			_res_opcodes[hp->opcode],
+			_res_resultcodes[hp->rcode],
+			ntohs(hp->id));
+		putc('\n', file);
+	}
+	putc(';', file);
+	if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD2)) {
+		fprintf(file,"; flags:");
+		if (hp->qr)
+			fprintf(file," qr");
+		if (hp->aa)
+			fprintf(file," aa");
+		if (hp->tc)
+			fprintf(file," tc");
+		if (hp->rd)
+			fprintf(file," rd");
+		if (hp->ra)
+			fprintf(file," ra");
+		if (hp->pr)
+			fprintf(file," pr");
+	}
+	if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD1)) {
+		fprintf(file,"; Ques: %d", ntohs(hp->qdcount));
+		fprintf(file,", Ans: %d", ntohs(hp->ancount));
+		fprintf(file,", Auth: %d", ntohs(hp->nscount));
+		fprintf(file,", Addit: %d\n", ntohs(hp->arcount));
+	}
+#if 0
+	if (_res.pfcode & (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1)) {
+		putc('\n',file);
+	}
+#endif
+	/*
+	 * Print question records.
+	 */
+	if (n = ntohs(hp->qdcount)) {
+		if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
+			fprintf(file,";; QUESTIONS:\n");
+		while (--n >= 0) {
+			fprintf(file,";;\t");
+			cp = p_cdname(cp, msg, file);
+			if (cp == NULL)
+				return;
+			if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
+				fprintf(file, ", type = %s",
+					__p_type(_getshort(cp)));
+			cp += sizeof(u_int16_t);
+			if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
+				fprintf(file, ", class = %s\n\n",
+					__p_class(_getshort(cp)));
+			cp += sizeof(u_int16_t);
+		}
+	}
+	/*
+	 * Print authoritative answer records
+	 */
+	cp = do_rrset(msg, cp, hp->ancount, RES_PRF_ANS, file,
+		      ";; ANSWERS:\n");
+	if (cp == NULL)
+		return;
+
+	/*
+	 * print name server records
+	 */
+	cp = do_rrset(msg, cp, hp->nscount, RES_PRF_AUTH, file,
+		      ";; AUTHORITY RECORDS:\n");
+	if (!cp)
+		return;
+
+	/*
+	 * print additional records
+	 */
+	cp = do_rrset(msg, cp, hp->arcount, RES_PRF_ADD, file,
+		      ";; ADDITIONAL RECORDS:\n");
+	if (!cp)
+		return;
+}
+
+char *
+p_cdname(cp, msg, file)
+	char *cp, *msg;
+	FILE *file;
+{
+	char name[MAXDNAME];
+	int n;
+
+	if ((n = dn_expand((u_char *)msg, (u_char *)msg + MAXCDNAME,
+	    (u_char *)cp, (u_char *)name, sizeof(name))) < 0)
+		return (NULL);
+	if (name[0] == '\0')
+		putc('.', file);
+	else
+		fputs(name, file);
+	return (cp + n);
+}
+
+char *
+p_fqname(cp, msg, file)
+	char *cp, *msg;
+	FILE *file;
+{
+	char name[MAXDNAME];
+	int n, len;
+
+	if ((n = dn_expand((u_char *)msg, (u_char *)msg + MAXCDNAME,
+	    (u_char *)cp, (u_char *)name, sizeof(name))) < 0)
+		return (NULL);
+	if (name[0] == '\0') {
+		putc('.', file);
+	} else {
+		fputs(name, file);
+		if (name[strlen(name) - 1] != '.')
+			putc('.', file);
+	}
+	return (cp + n);
+}
+
+/*
+ * Print resource record fields in human readable form.
+ */
+char *
+p_rr(cp, msg, file)
+	char *cp, *msg;
+	FILE *file;
+{
+	int type, class, dlen, n, c;
+	struct in_addr inaddr;
+	char *cp1, *cp2;
+	u_int32_t tmpttl, t;
+	int lcnt;
+
+	if ((cp = p_fqname(cp, msg, file)) == NULL)
+		return (NULL);			/* compression error */
+	type = _getshort(cp);
+	cp += sizeof(u_int16_t);
+	class = _getshort(cp);
+	cp += sizeof(u_int16_t);
+	tmpttl = _getlong(cp);
+	cp += sizeof(u_int32_t);
+	dlen = _getshort(cp);
+	cp += sizeof(u_int16_t);
+	cp1 = cp;
+	if ((!_res.pfcode) || (_res.pfcode & RES_PRF_TTLID))
+		fprintf(file, "\t%lu", tmpttl);
+	if ((!_res.pfcode) || (_res.pfcode & RES_PRF_CLASS))
+		fprintf(file, "\t%s", __p_class(class));
+	fprintf(file, "\t%s", __p_type(type));
+	/*
+	 * Print type specific data, if appropriate
+	 */
+	switch (type) {
+	case T_A:
+		switch (class) {
+		case C_IN:
+		case C_HS:
+			bcopy(cp, (char *)&inaddr, sizeof(inaddr));
+			if (dlen == 4) {
+				fprintf(file,"\t%s", inet_ntoa(inaddr));
+				cp += dlen;
+			} else if (dlen == 7) {
+				char *address;
+				u_char protocol;
+				u_short port;
+
+				address = inet_ntoa(inaddr);
+				cp += sizeof(inaddr);
+				protocol = *(u_char*)cp;
+				cp += sizeof(u_char);
+				port = _getshort(cp);
+				cp += sizeof(u_int16_t);
+				fprintf(file, "\t%s\t; proto %d, port %d",
+					address, protocol, port);
+			}
+			break;
+		default:
+			cp += dlen;
+		}
+		break;
+	case T_CNAME:
+	case T_MB:
+	case T_MG:
+	case T_MR:
+	case T_NS:
+	case T_PTR:
+		putc('\t', file);
+		cp = p_fqname(cp, msg, file);
+		break;
+
+	case T_HINFO:
+		if (n = *cp++) {
+			fprintf(file,"\t%.*s", n, cp);
+			cp += n;
+		}
+		if (n = *cp++) {
+			fprintf(file,"\t%.*s", n, cp);
+			cp += n;
+		}
+		break;
+
+	case T_SOA:
+		putc('\t', file);
+		cp = p_fqname(cp, msg, file);	/* origin */
+		putc(' ', file);
+		cp = p_fqname(cp, msg, file);	/* mail addr */
+		fputs(" (\n", file);
+		t = _getlong(cp);  cp += sizeof(u_int32_t);
+		fprintf(file,"\t\t\t%lu\t; serial\n", t);
+		t = _getlong(cp);  cp += sizeof(u_int32_t);
+		fprintf(file,"\t\t\t%lu\t; refresh (%s)\n", t, __p_time(t));
+		t = _getlong(cp);  cp += sizeof(u_int32_t);
+		fprintf(file,"\t\t\t%lu\t; retry (%s)\n", t, __p_time(t));
+		t = _getlong(cp);  cp += sizeof(u_int32_t);
+		fprintf(file,"\t\t\t%lu\t; expire (%s)\n", t, __p_time(t));
+		t = _getlong(cp);  cp += sizeof(u_int32_t);
+		fprintf(file,"\t\t\t%lu )\t; minimum (%s)", t, __p_time(t));
+		break;
+
+	case T_MX:
+		fprintf(file,"\t%d ", _getshort(cp));
+		cp += sizeof(u_int16_t);
+		cp = p_fqname(cp, msg, file);
+		break;
+
+  	case T_TXT:
+		(void) fputs("\t\"", file);
+		cp2 = cp1 + dlen;
+		while (cp < cp2) {
+			if (n = (unsigned char) *cp++) {
+				for (c = n; c > 0 && cp < cp2; c--)
+					if (*cp == '\n') {
+					    (void) putc('\\', file);
+					    (void) putc(*cp++, file);
+					} else
+					    (void) putc(*cp++, file);
+			}
+		}
+		putc('"', file);
+  		break;
+
+	case T_MINFO:
+	case T_RP:
+		putc('\t', file);
+		cp = p_fqname(cp, msg, file);
+		putc(' ', file);
+		cp = p_fqname(cp, msg, file);
+		break;
+
+	case T_UINFO:
+		putc('\t', file);
+		fputs(cp, file);
+		cp += dlen;
+		break;
+
+	case T_UID:
+	case T_GID:
+		if (dlen == 4) {
+			fprintf(file,"\t%u", _getlong(cp));
+			cp += sizeof(int32_t);
+		}
+		break;
+
+	case T_WKS:
+		if (dlen < sizeof(u_int32_t) + 1)
+			break;
+		bcopy(cp, (char *)&inaddr, sizeof(inaddr));
+		cp += sizeof(u_int32_t);
+		fprintf(file, "\t%s %s ( ",
+			inet_ntoa(inaddr),
+			deproto((int) *cp));
+		cp += sizeof(u_char);
+		n = 0;
+		lcnt = 0;
+		while (cp < cp1 + dlen) {
+			c = *cp++;
+			do {
+ 				if (c & 0200) {
+					if (lcnt == 0) {
+						fputs("\n\t\t\t", file);
+						lcnt = 5;
+					}
+					fputs(dewks(n), file);
+					putc(' ', file);
+					lcnt--;
+				}
+ 				c <<= 1;
+			} while (++n & 07);
+		}
+		putc(')', file);
+		break;
+
+#ifdef ALLOW_T_UNSPEC
+	case T_UNSPEC:
+		{
+			int NumBytes = 8;
+			char *DataPtr;
+			int i;
+
+			if (dlen < NumBytes) NumBytes = dlen;
+			fprintf(file, "\tFirst %d bytes of hex data:",
+				NumBytes);
+			for (i = 0, DataPtr = cp; i < NumBytes; i++, DataPtr++)
+				fprintf(file, " %x", *DataPtr);
+			cp += dlen;
+		}
+		break;
+#endif /* ALLOW_T_UNSPEC */
+
+	default:
+		fprintf(file,"\t?%d?", type);
+		cp += dlen;
+	}
+#if 0
+	fprintf(file, "\t; dlen=%d, ttl %s\n", dlen, __p_time(tmpttl));
+#else
+	putc('\n', file);
+#endif
+	if (cp - cp1 != dlen) {
+		fprintf(file,";; packet size error (found %d, dlen was %d)\n",
+			cp - cp1, dlen);
+		cp = NULL;
+	}
+	return (cp);
+}
+
+static	char nbuf[40];
+
+/*
+ * Return a string for the type
+ */
+char *
+__p_type(type)
+	int type;
+{
+	switch (type) {
+	case T_A:
+		return("A");
+	case T_NS:		/* authoritative server */
+		return("NS");
+	case T_CNAME:		/* canonical name */
+		return("CNAME");
+	case T_SOA:		/* start of authority zone */
+		return("SOA");
+	case T_MB:		/* mailbox domain name */
+		return("MB");
+	case T_MG:		/* mail group member */
+		return("MG");
+	case T_MR:		/* mail rename name */
+		return("MR");
+	case T_NULL:		/* null resource record */
+		return("NULL");
+	case T_WKS:		/* well known service */
+		return("WKS");
+	case T_PTR:		/* domain name pointer */
+		return("PTR");
+	case T_HINFO:		/* host information */
+		return("HINFO");
+	case T_MINFO:		/* mailbox information */
+		return("MINFO");
+	case T_MX:		/* mail routing info */
+		return("MX");
+	case T_TXT:		/* text */
+		return("TXT");
+	case T_RP:		/* responsible person */
+		return("RP");
+	case T_AXFR:		/* zone transfer */
+		return("AXFR");
+	case T_MAILB:		/* mail box */
+		return("MAILB");
+	case T_MAILA:		/* mail address */
+		return("MAILA");
+	case T_ANY:		/* matches any type */
+		return("ANY");
+	case T_UINFO:
+		return("UINFO");
+	case T_UID:
+		return("UID");
+	case T_GID:
+		return("GID");
+#ifdef ALLOW_T_UNSPEC
+	case T_UNSPEC:
+		return("UNSPEC");
+#endif /* ALLOW_T_UNSPEC */
+	default:
+		(void)sprintf(nbuf, "%d", type);
+		return(nbuf);
+	}
+}
+
+/*
+ * Return a mnemonic for class
+ */
+char *
+__p_class(class)
+	int class;
+{
+
+	switch (class) {
+	case C_IN:		/* internet class */
+		return("IN");
+	case C_HS:		/* hesiod class */
+		return("HS");
+	case C_ANY:		/* matches any class */
+		return("ANY");
+	default:
+		(void)sprintf(nbuf, "%d", class);
+		return(nbuf);
+	}
+}
+
+/*
+ * Return a mnemonic for an option
+ */
+static char *
+p_option(option)
+	u_int32_t option;
+{
+	switch (option) {
+	case RES_INIT:		return "init";
+	case RES_DEBUG:		return "debug";
+	case RES_AAONLY:	return "aaonly";
+	case RES_USEVC:		return "usevc";
+	case RES_PRIMARY:	return "primry";
+	case RES_IGNTC:		return "igntc";
+	case RES_RECURSE:	return "recurs";
+	case RES_DEFNAMES:	return "defnam";
+	case RES_STAYOPEN:	return "styopn";
+	case RES_DNSRCH:	return "dnsrch";
+	default:		sprintf(nbuf, "?0x%x?", option); return nbuf;
+	}
+}
+
+/*
+ * Return a mnemonic for a time to live
+ */
+char *
+__p_time(value)
+	u_int32_t value;
+{
+	int secs, mins, hours, days;
+	register char *p;
+
+	if (value == 0) {
+		strcpy(nbuf, "0 secs");
+		return(nbuf);
+	}
+
+	secs = value % 60;
+	value /= 60;
+	mins = value % 60;
+	value /= 60;
+	hours = value % 24;
+	value /= 24;
+	days = value;
+	value = 0;
+
+#define	PLURALIZE(x)	x, (x == 1) ? "" : "s"
+	p = nbuf;
+	if (days) {
+		(void)sprintf(p, "%d day%s", PLURALIZE(days));
+		while (*++p);
+	}
+	if (hours) {
+		if (days)
+			*p++ = ' ';
+		(void)sprintf(p, "%d hour%s", PLURALIZE(hours));
+		while (*++p);
+	}
+	if (mins) {
+		if (days || hours)
+			*p++ = ' ';
+		(void)sprintf(p, "%d min%s", PLURALIZE(mins));
+		while (*++p);
+	}
+	if (secs || ! (days || hours || mins)) {
+		if (days || hours || mins)
+			*p++ = ' ';
+		(void)sprintf(p, "%d sec%s", PLURALIZE(secs));
+	}
+	return(nbuf);
+}

lib/libc/net/res_init.c

@@ -0,0 +1,223 @@
+/*-
+ * Copyright (c) 1985, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)res_init.c	8.1 (Berkeley) 6/7/93";
+static char rcsid[] = "$Id: res_init.c,v 4.9.1.1 1993/05/02 22:43:03 vixie Rel $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * Resolver state default settings
+ */
+
+struct __res_state _res = {
+	RES_TIMEOUT,               	/* retransmition time interval */
+	4,                         	/* number of times to retransmit */
+	RES_DEFAULT,			/* options flags */
+	1,                         	/* number of name servers */
+};
+
+/*
+ * Set up default settings.  If the configuration file exist, the values
+ * there will have precedence.  Otherwise, the server address is set to
+ * INADDR_ANY and the default domain name comes from the gethostname().
+ *
+ * The configuration file should only be used if you want to redefine your
+ * domain or run without a server on your machine.
+ *
+ * Return 0 if completes successfully, -1 on error
+ */
+res_init()
+{
+	register FILE *fp;
+	register char *cp, **pp;
+	register int n;
+	char buf[BUFSIZ];
+	int nserv = 0;    /* number of nameserver records read from file */
+	int haveenv = 0;
+	int havesearch = 0;
+
+#ifdef USELOOPBACK
+	_res.nsaddr.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
+#else
+	_res.nsaddr.sin_addr.s_addr = INADDR_ANY;
+#endif
+	_res.nsaddr.sin_family = AF_INET;
+	_res.nsaddr.sin_port = htons(NAMESERVER_PORT);
+	_res.nscount = 1;
+	_res.pfcode = 0;
+
+	/* Allow user to override the local domain definition */
+	if ((cp = getenv("LOCALDOMAIN")) != NULL) {
+		(void)strncpy(_res.defdname, cp, sizeof(_res.defdname));
+		if ((cp = strpbrk(_res.defdname, " \t\n")) != NULL)
+			*cp = '\0';
+		haveenv++;
+	}
+
+	if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) {
+	    /* read the config file */
+	    while (fgets(buf, sizeof(buf), fp) != NULL) {
+		/* skip comments */
+		if ((*buf == ';') || (*buf == '#'))
+			continue;
+		/* read default domain name */
+		if (!strncmp(buf, "domain", sizeof("domain") - 1)) {
+		    if (haveenv)	/* skip if have from environ */
+			    continue;
+		    cp = buf + sizeof("domain") - 1;
+		    while (*cp == ' ' || *cp == '\t')
+			    cp++;
+		    if ((*cp == '\0') || (*cp == '\n'))
+			    continue;
+		    (void)strncpy(_res.defdname, cp,
+				  sizeof(_res.defdname) - 1);
+		    if ((cp = strpbrk(_res.defdname, " \t\n")) != NULL)
+			    *cp = '\0';
+		    havesearch = 0;
+		    continue;
+		}
+		/* set search list */
+		if (!strncmp(buf, "search", sizeof("search") - 1)) {
+		    if (haveenv)	/* skip if have from environ */
+			    continue;
+		    cp = buf + sizeof("search") - 1;
+		    while (*cp == ' ' || *cp == '\t')
+			    cp++;
+		    if ((*cp == '\0') || (*cp == '\n'))
+			    continue;
+		    (void)strncpy(_res.defdname, cp,
+				  sizeof(_res.defdname) - 1);
+		    if ((cp = strchr(_res.defdname, '\n')) != NULL)
+			    *cp = '\0';
+		    /*
+		     * Set search list to be blank-separated strings
+		     * on rest of line.
+		     */
+		    cp = _res.defdname;
+		    pp = _res.dnsrch;
+		    *pp++ = cp;
+		    for (n = 0; *cp && pp < _res.dnsrch + MAXDNSRCH; cp++) {
+			    if (*cp == ' ' || *cp == '\t') {
+				    *cp = 0;
+				    n = 1;
+			    } else if (n) {
+				    *pp++ = cp;
+				    n = 0;
+			    }
+		    }
+		    /* null terminate last domain if there are excess */
+		    while (*cp != '\0' && *cp != ' ' && *cp != '\t')
+			    cp++;
+		    *cp = '\0';
+		    *pp++ = 0;
+		    havesearch = 1;
+		    continue;
+		}
+		/* read nameservers to query */
+		if (!strncmp(buf, "nameserver", sizeof("nameserver") - 1) &&
+		   nserv < MAXNS) {
+		   struct in_addr a;
+
+		    cp = buf + sizeof("nameserver") - 1;
+		    while (*cp == ' ' || *cp == '\t')
+			cp++;
+		    if ((*cp != '\0') && (*cp != '\n') && inet_aton(cp, &a)) {
+			_res.nsaddr_list[nserv].sin_addr = a;
+			_res.nsaddr_list[nserv].sin_family = AF_INET;
+			_res.nsaddr_list[nserv].sin_port =
+				htons(NAMESERVER_PORT);
+			nserv++;
+		    }
+		    continue;
+		}
+	    }
+	    if (nserv > 1) 
+		_res.nscount = nserv;
+	    (void) fclose(fp);
+	}
+	if (_res.defdname[0] == 0) {
+		if (gethostname(buf, sizeof(_res.defdname)) == 0 &&
+		   (cp = strchr(buf, '.')))
+			(void)strcpy(_res.defdname, cp + 1);
+	}
+
+	/* find components of local domain that might be searched */
+	if (havesearch == 0) {
+		pp = _res.dnsrch;
+		*pp++ = _res.defdname;
+		for (cp = _res.defdname, n = 0; *cp; cp++)
+			if (*cp == '.')
+				n++;
+		cp = _res.defdname;
+		for (; n >= LOCALDOMAINPARTS && pp < _res.dnsrch + MAXDFLSRCH;
+		    n--) {
+			cp = strchr(cp, '.');
+			*pp++ = ++cp;
+		}
+		*pp++ = 0;
+	}
+	_res.options |= RES_INIT;
+	return (0);
+}

lib/libc/net/res_mkquery.c

@@ -0,0 +1,230 @@
+/*-
+ * Copyright (c) 1985, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)res_mkquery.c	8.1 (Berkeley) 6/4/93";
+static char rcsid[] = "$Id: res_mkquery.c,v 4.9.1.2 1993/05/17 10:00:01 vixie Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <stdio.h>
+#include <string.h>
+
+/*
+ * Form all types of queries.
+ * Returns the size of the result or -1.
+ */
+res_mkquery(op, dname, class, type, data, datalen, newrr_in, buf, buflen)
+	int op;			/* opcode of query */
+	const char *dname;		/* domain name */
+	int class, type;	/* class and type of query */
+	const char *data;		/* resource record data */
+	int datalen;		/* length of data */
+	const char *newrr_in;	/* new rr for modify or append */
+	char *buf;		/* buffer to put query */
+	int buflen;		/* size of buffer */
+{
+	register HEADER *hp;
+	register char *cp;
+	register int n;
+	struct rrec *newrr = (struct rrec *) newrr_in;
+	char *dnptrs[10], **dpp, **lastdnptr;
+
+#ifdef DEBUG
+	if (_res.options & RES_DEBUG)
+		printf(";; res_mkquery(%d, %s, %d, %d)\n",
+		       op, dname, class, type);
+#endif
+	/*
+	 * Initialize header fields.
+	 */
+	if ((buf == NULL) || (buflen < sizeof(HEADER)))
+		return(-1);
+	bzero(buf, sizeof(HEADER));
+	hp = (HEADER *) buf;
+	hp->id = htons(++_res.id);
+	hp->opcode = op;
+	hp->pr = (_res.options & RES_PRIMARY) != 0;
+	hp->rd = (_res.options & RES_RECURSE) != 0;
+	hp->rcode = NOERROR;
+	cp = buf + sizeof(HEADER);
+	buflen -= sizeof(HEADER);
+	dpp = dnptrs;
+	*dpp++ = buf;
+	*dpp++ = NULL;
+	lastdnptr = dnptrs + sizeof(dnptrs)/sizeof(dnptrs[0]);
+	/*
+	 * perform opcode specific processing
+	 */
+	switch (op) {
+	case QUERY:
+		if ((buflen -= QFIXEDSZ) < 0)
+			return(-1);
+		if ((n = dn_comp((u_char *)dname, (u_char *)cp, buflen,
+		    (u_char **)dnptrs, (u_char **)lastdnptr)) < 0)
+			return (-1);
+		cp += n;
+		buflen -= n;
+		__putshort(type, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		__putshort(class, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		hp->qdcount = htons(1);
+		if (op == QUERY || data == NULL)
+			break;
+		/*
+		 * Make an additional record for completion domain.
+		 */
+		buflen -= RRFIXEDSZ;
+		if ((n = dn_comp((u_char *)data, (u_char *)cp, buflen,
+		    (u_char **)dnptrs, (u_char **)lastdnptr)) < 0)
+			return (-1);
+		cp += n;
+		buflen -= n;
+		__putshort(T_NULL, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		__putshort(class, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		__putlong(0, (u_char *)cp);
+		cp += sizeof(u_int32_t);
+		__putshort(0, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		hp->arcount = htons(1);
+		break;
+
+	case IQUERY:
+		/*
+		 * Initialize answer section
+		 */
+		if (buflen < 1 + RRFIXEDSZ + datalen)
+			return (-1);
+		*cp++ = '\0';	/* no domain name */
+		__putshort(type, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		__putshort(class, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		__putlong(0, (u_char *)cp);
+		cp += sizeof(u_int32_t);
+		__putshort(datalen, (u_char *)cp);
+		cp += sizeof(u_int16_t);
+		if (datalen) {
+			bcopy(data, cp, datalen);
+			cp += datalen;
+		}
+		hp->ancount = htons(1);
+		break;
+
+#ifdef ALLOW_UPDATES
+	/*
+	 * For UPDATEM/UPDATEMA, do UPDATED/UPDATEDA followed by UPDATEA
+	 * (Record to be modified is followed by its replacement in msg.)
+	 */
+	case UPDATEM:
+	case UPDATEMA:
+
+	case UPDATED:
+		/*
+		 * The res code for UPDATED and UPDATEDA is the same; user
+		 * calls them differently: specifies data for UPDATED; server
+		 * ignores data if specified for UPDATEDA.
+		 */
+	case UPDATEDA:
+		buflen -= RRFIXEDSZ + datalen;
+		if ((n = dn_comp(dname, cp, buflen, dnptrs, lastdnptr)) < 0)
+			return (-1);
+		cp += n;
+		__putshort(type, cp);
+                cp += sizeof(u_int16_t);
+                __putshort(class, cp);
+                cp += sizeof(u_int16_t);
+		__putlong(0, cp);
+		cp += sizeof(u_int32_t);
+		__putshort(datalen, cp);
+                cp += sizeof(u_int16_t);
+		if (datalen) {
+			bcopy(data, cp, datalen);
+			cp += datalen;
+		}
+		if ( (op == UPDATED) || (op == UPDATEDA) ) {
+			hp->ancount = htons(0);
+			break;
+		}
+		/* Else UPDATEM/UPDATEMA, so drop into code for UPDATEA */
+
+	case UPDATEA:	/* Add new resource record */
+		buflen -= RRFIXEDSZ + datalen;
+		if ((n = dn_comp(dname, cp, buflen, dnptrs, lastdnptr)) < 0)
+			return (-1);
+		cp += n;
+		__putshort(newrr->r_type, cp);
+                cp += sizeof(u_int16_t);
+                __putshort(newrr->r_class, cp);
+                cp += sizeof(u_int16_t);
+		__putlong(0, cp);
+		cp += sizeof(u_int32_t);
+		__putshort(newrr->r_size, cp);
+                cp += sizeof(u_int16_t);
+		if (newrr->r_size) {
+			bcopy(newrr->r_data, cp, newrr->r_size);
+			cp += newrr->r_size;
+		}
+		hp->ancount = htons(0);
+		break;
+
+#endif /* ALLOW_UPDATES */
+	}
+	return (cp - buf);
+}

lib/libc/net/res_query.c

@@ -0,0 +1,303 @@
+/*-
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)res_query.c	8.1 (Berkeley) 6/4/93";
+static char rcsid[] = "$Id: res_query.c,v 1.1 1993/06/01 09:42:14 vixie Exp vixie $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if PACKETSZ > 1024
+#define MAXPACKET	PACKETSZ
+#else
+#define MAXPACKET	1024
+#endif
+
+int h_errno;
+
+/*
+ * Formulate a normal query, send, and await answer.
+ * Returned answer is placed in supplied buffer "answer".
+ * Perform preliminary check of answer, returning success only
+ * if no error is indicated and the answer count is nonzero.
+ * Return the size of the response on success, -1 on error.
+ * Error number is left in h_errno.
+ * Caller must parse answer and determine whether it answers the question.
+ */
+res_query(name, class, type, answer, anslen)
+	char *name;		/* domain name */
+	int class, type;	/* class and type of query */
+	u_char *answer;		/* buffer to put answer */
+	int anslen;		/* size of answer buffer */
+{
+	char buf[MAXPACKET];
+	HEADER *hp;
+	int n;
+
+	if ((_res.options & RES_INIT) == 0 && res_init() == -1)
+		return (-1);
+#ifdef DEBUG
+	if (_res.options & RES_DEBUG)
+		printf(";; res_query(%s, %d, %d)\n", name, class, type);
+#endif
+	n = res_mkquery(QUERY, name, class, type, (char *)NULL, 0, NULL,
+	    buf, sizeof(buf));
+
+	if (n <= 0) {
+#ifdef DEBUG
+		if (_res.options & RES_DEBUG)
+			printf(";; res_query: mkquery failed\n");
+#endif
+		h_errno = NO_RECOVERY;
+		return (n);
+	}
+	n = res_send(buf, n, (char *)answer, anslen);
+	if (n < 0) {
+#ifdef DEBUG
+		if (_res.options & RES_DEBUG)
+			printf(";; res_query: send error\n");
+#endif
+		h_errno = TRY_AGAIN;
+		return(n);
+	}
+
+	hp = (HEADER *) answer;
+	if (hp->rcode != NOERROR || ntohs(hp->ancount) == 0) {
+#ifdef DEBUG
+		if (_res.options & RES_DEBUG)
+			printf(";; rcode = %d, ancount=%d\n", hp->rcode,
+			    ntohs(hp->ancount));
+#endif
+		switch (hp->rcode) {
+			case NXDOMAIN:
+				h_errno = HOST_NOT_FOUND;
+				break;
+			case SERVFAIL:
+				h_errno = TRY_AGAIN;
+				break;
+			case NOERROR:
+				h_errno = NO_DATA;
+				break;
+			case FORMERR:
+			case NOTIMP:
+			case REFUSED:
+			default:
+				h_errno = NO_RECOVERY;
+				break;
+		}
+		return (-1);
+	}
+	return(n);
+}
+
+/*
+ * Formulate a normal query, send, and retrieve answer in supplied buffer.
+ * Return the size of the response on success, -1 on error.
+ * If enabled, implement search rules until answer or unrecoverable failure
+ * is detected.  Error number is left in h_errno.
+ * Only useful for queries in the same name hierarchy as the local host
+ * (not, for example, for host address-to-name lookups in domain in-addr.arpa).
+ */
+int
+res_search(name, class, type, answer, anslen)
+	char *name;		/* domain name */
+	int class, type;	/* class and type of query */
+	u_char *answer;		/* buffer to put answer */
+	int anslen;		/* size of answer */
+{
+	register char *cp, **domain;
+	int n, ret, got_nodata = 0;
+	char *__hostalias();
+
+	if ((_res.options & RES_INIT) == 0 && res_init() == -1)
+		return (-1);
+
+	errno = 0;
+	h_errno = HOST_NOT_FOUND;	/* default, if we never query */
+	for (cp = name, n = 0; *cp; cp++)
+		if (*cp == '.')
+			n++;
+	if (n == 0 && (cp = __hostalias(name)))
+		return (res_query(cp, class, type, answer, anslen));
+
+	/*
+	 * We do at least one level of search if
+	 *	- there is no dot and RES_DEFNAME is set, or
+	 *	- there is at least one dot, there is no trailing dot,
+	 *	  and RES_DNSRCH is set.
+	 */
+	if ((n == 0 && _res.options & RES_DEFNAMES) ||
+	   (n != 0 && *--cp != '.' && _res.options & RES_DNSRCH))
+	     for (domain = _res.dnsrch; *domain; domain++) {
+		ret = res_querydomain(name, *domain, class, type,
+		    answer, anslen);
+		if (ret > 0)
+			return (ret);
+		/*
+		 * If no server present, give up.
+		 * If name isn't found in this domain,
+		 * keep trying higher domains in the search list
+		 * (if that's enabled).
+		 * On a NO_DATA error, keep trying, otherwise
+		 * a wildcard entry of another type could keep us
+		 * from finding this entry higher in the domain.
+		 * If we get some other error (negative answer or
+		 * server failure), then stop searching up,
+		 * but try the input name below in case it's fully-qualified.
+		 */
+		if (errno == ECONNREFUSED) {
+			h_errno = TRY_AGAIN;
+			return (-1);
+		}
+		if (h_errno == NO_DATA)
+			got_nodata++;
+		if ((h_errno != HOST_NOT_FOUND && h_errno != NO_DATA) ||
+		    (_res.options & RES_DNSRCH) == 0)
+			break;
+	}
+	/*
+	 * If the search/default failed, try the name as fully-qualified,
+	 * but only if it contained at least one dot (even trailing).
+	 * This is purely a heuristic; we assume that any reasonable query
+	 * about a top-level domain (for servers, SOA, etc) will not use
+	 * res_search.
+	 */
+	if (n && (ret = res_querydomain(name, (char *)NULL, class, type,
+	    answer, anslen)) > 0)
+		return (ret);
+	if (got_nodata)
+		h_errno = NO_DATA;
+	return (-1);
+}
+
+/*
+ * Perform a call on res_query on the concatenation of name and domain,
+ * removing a trailing dot from name if domain is NULL.
+ */
+res_querydomain(name, domain, class, type, answer, anslen)
+	char *name, *domain;
+	int class, type;	/* class and type of query */
+	u_char *answer;		/* buffer to put answer */
+	int anslen;		/* size of answer */
+{
+	char nbuf[2*MAXDNAME+2];
+	char *longname = nbuf;
+	int n;
+
+#ifdef DEBUG
+	if (_res.options & RES_DEBUG)
+		printf(";; res_querydomain(%s, %s, %d, %d)\n",
+		    name, domain, class, type);
+#endif
+	if (domain == NULL) {
+		/*
+		 * Check for trailing '.';
+		 * copy without '.' if present.
+		 */
+		n = strlen(name) - 1;
+		if (name[n] == '.' && n < sizeof(nbuf) - 1) {
+			bcopy(name, nbuf, n);
+			nbuf[n] = '\0';
+		} else
+			longname = name;
+	} else
+		(void)sprintf(nbuf, "%.*s.%.*s",
+		    MAXDNAME, name, MAXDNAME, domain);
+
+	return (res_query(longname, class, type, answer, anslen));
+}
+
+char *
+__hostalias(name)
+	register const char *name;
+{
+	register char *C1, *C2;
+	FILE *fp;
+	char *file, *getenv(), *strcpy(), *strncpy();
+	char buf[BUFSIZ];
+	static char abuf[MAXDNAME];
+
+	file = getenv("HOSTALIASES");
+	if (file == NULL || (fp = fopen(file, "r")) == NULL)
+		return (NULL);
+	buf[sizeof(buf) - 1] = '\0';
+	while (fgets(buf, sizeof(buf), fp)) {
+		for (C1 = buf; *C1 && !isspace(*C1); ++C1);
+		if (!*C1)
+			break;
+		*C1 = '\0';
+		if (!strcasecmp(buf, name)) {
+			while (isspace(*++C1));
+			if (!*C1)
+				break;
+			for (C2 = C1 + 1; *C2 && !isspace(*C2); ++C2);
+			abuf[sizeof(abuf) - 1] = *C2 = '\0';
+			(void)strncpy(abuf, C1, sizeof(abuf) - 1);
+			fclose(fp);
+			return (abuf);
+		}
+	}
+	fclose(fp);
+	return (NULL);
+}

lib/libc/net/res_send.c

@@ -0,0 +1,468 @@
+/*-
+ * Copyright (c) 1985, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)res_send.c	8.1 (Berkeley) 6/4/93";
+static char rcsid[] = "$Id: res_send.c,v 4.9.1.1 1993/05/02 22:43:03 vixie Rel $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Send query to name server and wait for reply.
+ */
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <errno.h>
+#include <resolv.h>
+#include <unistd.h>
+#include <string.h>
+
+static int s = -1;	/* socket used for communications */
+static struct sockaddr no_addr;
+
+#ifndef FD_SET
+#define	NFDBITS		32
+#define	FD_SETSIZE	32
+#define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
+#define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
+#define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
+#define FD_ZERO(p)	bzero((char *)(p), sizeof(*(p)))
+#endif
+
+res_send(buf, buflen, answer, anslen)
+	const char *buf;
+	int buflen;
+	char *answer;
+	int anslen;
+{
+	register int n;
+	int try, v_circuit, resplen, ns;
+	int gotsomewhere = 0, connected = 0;
+	int connreset = 0;
+	u_short id, len;
+	char *cp;
+	fd_set dsmask;
+	struct timeval timeout;
+	HEADER *hp = (HEADER *) buf;
+	HEADER *anhp = (HEADER *) answer;
+	u_int badns;		/* XXX NSMAX can't exceed #/bits per this */
+	struct iovec iov[2];
+	int terrno = ETIMEDOUT;
+	char junk[512];
+
+#ifdef DEBUG
+	if ((_res.options & RES_DEBUG) || (_res.pfcode & RES_PRF_QUERY)) {
+		printf(";; res_send()\n");
+		__p_query(buf);
+	}
+#endif
+	if (!(_res.options & RES_INIT))
+		if (res_init() == -1) {
+			return(-1);
+		}
+	v_circuit = (_res.options & RES_USEVC) || buflen > PACKETSZ;
+	id = hp->id;
+	badns = 0;
+	/*
+	 * Send request, RETRY times, or until successful
+	 */
+	for (try = 0; try < _res.retry; try++) {
+	    for (ns = 0; ns < _res.nscount; ns++) {
+		if (badns & (1<<ns))
+			continue;
+#ifdef DEBUG
+		if (_res.options & RES_DEBUG)
+			printf(";; Querying server (# %d) address = %s\n",
+			       ns+1,
+			       inet_ntoa(_res.nsaddr_list[ns].sin_addr));
+#endif
+	usevc:
+		if (v_circuit) {
+			int truncated = 0;
+
+			/*
+			 * Use virtual circuit;
+			 * at most one attempt per server.
+			 */
+			try = _res.retry;
+			if (s < 0) {
+				s = socket(AF_INET, SOCK_STREAM, 0);
+				if (s < 0) {
+					terrno = errno;
+#ifdef DEBUG
+					if (_res.options & RES_DEBUG)
+					    perror("socket (vc) failed");
+#endif
+					continue;
+				}
+				if (connect(s,
+				    (struct sockaddr *)&(_res.nsaddr_list[ns]),
+				    sizeof(struct sockaddr)) < 0) {
+					terrno = errno;
+#ifdef DEBUG
+					if (_res.options & RES_DEBUG)
+					    perror("connect failed");
+#endif
+					(void) close(s);
+					s = -1;
+					continue;
+				}
+			}
+			/*
+			 * Send length & message
+			 */
+			len = htons((u_short)buflen);
+			iov[0].iov_base = (caddr_t)&len;
+			iov[0].iov_len = sizeof(len);
+			iov[1].iov_base = (char *)buf;
+			iov[1].iov_len = buflen;
+			if (writev(s, iov, 2) != sizeof(len) + buflen) {
+				terrno = errno;
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					perror("write failed");
+#endif
+				(void) close(s);
+				s = -1;
+				continue;
+			}
+			/*
+			 * Receive length & response
+			 */
+			cp = answer;
+			len = sizeof(short);
+			while (len != 0 &&
+			    (n = read(s, (char *)cp, (int)len)) > 0) {
+				cp += n;
+				len -= n;
+			}
+			if (n <= 0) {
+				terrno = errno;
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					perror("read failed");
+#endif
+				(void) close(s);
+				s = -1;
+				/*
+				 * A long running process might get its TCP
+				 * connection reset if the remote server was
+				 * restarted.  Requery the server instead of
+				 * trying a new one.  When there is only one
+				 * server, this means that a query might work
+				 * instead of failing.  We only allow one reset
+				 * per query to prevent looping.
+				 */
+				if (terrno == ECONNRESET && !connreset) {
+					connreset = 1;
+					ns--;
+				}
+				continue;
+			}
+			cp = answer;
+			if ((resplen = ntohs(*(u_short *)cp)) > anslen) {
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					fprintf(stderr,
+						";; response truncated\n");
+#endif
+				len = anslen;
+				truncated = 1;
+			} else
+				len = resplen;
+			while (len != 0 &&
+			   (n = read(s, (char *)cp, (int)len)) > 0) {
+				cp += n;
+				len -= n;
+			}
+			if (n <= 0) {
+				terrno = errno;
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					perror("read failed");
+#endif
+				(void) close(s);
+				s = -1;
+				continue;
+			}
+			if (truncated) {
+				/*
+				 * Flush rest of answer
+				 * so connection stays in synch.
+				 */
+				anhp->tc = 1;
+				len = resplen - anslen;
+				while (len != 0) {
+					n = (len > sizeof(junk) ?
+					    sizeof(junk) : len);
+					if ((n = read(s, junk, n)) > 0)
+						len -= n;
+					else
+						break;
+				}
+			}
+		} else {
+			/*
+			 * Use datagrams.
+			 */
+			if (s < 0) {
+				s = socket(AF_INET, SOCK_DGRAM, 0);
+				if (s < 0) {
+					terrno = errno;
+#ifdef DEBUG
+					if (_res.options & RES_DEBUG)
+					    perror("socket (dg) failed");
+#endif
+					continue;
+				}
+			}
+			/*
+			 * I'm tired of answering this question, so:
+			 * On a 4.3BSD+ machine (client and server,
+			 * actually), sending to a nameserver datagram
+			 * port with no nameserver will cause an
+			 * ICMP port unreachable message to be returned.
+			 * If our datagram socket is "connected" to the
+			 * server, we get an ECONNREFUSED error on the next
+			 * socket operation, and select returns if the
+			 * error message is received.  We can thus detect
+			 * the absence of a nameserver without timing out.
+			 * If we have sent queries to at least two servers,
+			 * however, we don't want to remain connected,
+			 * as we wish to receive answers from the first
+			 * server to respond.
+			 */
+			if (_res.nscount == 1 || (try == 0 && ns == 0)) {
+				/*
+				 * Don't use connect if we might
+				 * still receive a response
+				 * from another server.
+				 */
+				if (connected == 0) {
+					if (connect(s,
+					    (struct sockaddr *)
+					    &_res.nsaddr_list[ns],
+					    sizeof(struct sockaddr)) < 0) {
+#ifdef DEBUG
+						if (_res.options & RES_DEBUG)
+							perror("connect");
+#endif
+						continue;
+					}
+					connected = 1;
+				}
+				if (send(s, buf, buflen, 0) != buflen) {
+#ifdef DEBUG
+					if (_res.options & RES_DEBUG)
+						perror("send");
+#endif
+					continue;
+				}
+			} else {
+				/*
+				 * Disconnect if we want to listen
+				 * for responses from more than one server.
+				 */
+				if (connected) {
+					(void) connect(s, &no_addr,
+					    sizeof(no_addr));
+					connected = 0;
+				}
+				if (sendto(s, buf, buflen, 0,
+				    (struct sockaddr *)&_res.nsaddr_list[ns],
+				    sizeof(struct sockaddr)) != buflen) {
+#ifdef DEBUG
+					if (_res.options & RES_DEBUG)
+						perror("sendto");
+#endif
+					continue;
+				}
+			}
+
+			/*
+			 * Wait for reply
+			 */
+			timeout.tv_sec = (_res.retrans << try);
+			if (try > 0)
+				timeout.tv_sec /= _res.nscount;
+			if ((long) timeout.tv_sec <= 0)
+				timeout.tv_sec = 1;
+			timeout.tv_usec = 0;
+wait:
+			FD_ZERO(&dsmask);
+			FD_SET(s, &dsmask);
+			n = select(s+1, &dsmask, (fd_set *)NULL,
+				(fd_set *)NULL, &timeout);
+			if (n < 0) {
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					perror("select");
+#endif
+				continue;
+			}
+			if (n == 0) {
+				/*
+				 * timeout
+				 */
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					printf(";; timeout\n");
+#endif
+				gotsomewhere = 1;
+				continue;
+			}
+			if ((resplen = recv(s, answer, anslen, 0)) <= 0) {
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					perror("recvfrom");
+#endif
+				continue;
+			}
+			gotsomewhere = 1;
+			if (id != anhp->id) {
+				/*
+				 * response from old query, ignore it
+				 */
+#ifdef DEBUG
+				if ((_res.options & RES_DEBUG) ||
+				    (_res.pfcode & RES_PRF_REPLY)) {
+					printf(";; old answer:\n");
+					__p_query(answer);
+				}
+#endif
+				goto wait;
+			}
+			if (anhp->rcode == SERVFAIL || anhp->rcode == NOTIMP ||
+			    anhp->rcode == REFUSED) {
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG) {
+					printf("server rejected query:\n");
+					__p_query(answer);
+				}
+#endif
+				badns |= (1<<ns);
+				continue;
+			}
+			if (!(_res.options & RES_IGNTC) && anhp->tc) {
+				/*
+				 * get rest of answer;
+				 * use TCP with same server.
+				 */
+#ifdef DEBUG
+				if (_res.options & RES_DEBUG)
+					printf(";; truncated answer\n");
+#endif
+				(void) close(s);
+				s = -1;
+				v_circuit = 1;
+				goto usevc;
+			}
+		}
+#ifdef DEBUG
+		if (_res.options & RES_DEBUG)
+			printf(";; got answer:\n");
+		if ((_res.options & RES_DEBUG) ||
+		    (_res.pfcode & RES_PRF_REPLY))
+			__p_query(answer);
+#endif
+		/*
+		 * If using virtual circuits, we assume that the first server
+		 * is preferred * over the rest (i.e. it is on the local
+		 * machine) and only keep that one open.
+		 * If we have temporarily opened a virtual circuit,
+		 * or if we haven't been asked to keep a socket open,
+		 * close the socket.
+		 */
+		if ((v_circuit &&
+		    ((_res.options & RES_USEVC) == 0 || ns != 0)) ||
+		    (_res.options & RES_STAYOPEN) == 0) {
+			(void) close(s);
+			s = -1;
+		}
+		return (resplen);
+	   }
+	}
+	if (s >= 0) {
+		(void) close(s);
+		s = -1;
+	}
+	if (v_circuit == 0)
+		if (gotsomewhere == 0)
+			errno = ECONNREFUSED;	/* no nameservers found */
+		else
+			errno = ETIMEDOUT;	/* no answer obtained */
+	else
+		errno = terrno;
+	return (-1);
+}
+
+/*
+ * This routine is for closing the socket if a virtual circuit is used and
+ * the program wants to close it.  This provides support for endhostent()
+ * which expects to close the socket.
+ *
+ * This routine is not expected to be user visible.
+ */
+_res_close()
+{
+	if (s != -1) {
+		(void) close(s);
+		s = -1;
+	}
+}

lib/libc/net/sethostent.c

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 1985, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)sethostent.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+
+void
+sethostent(stayopen)
+{
+	if (stayopen)
+		_res.options |= RES_STAYOPEN | RES_USEVC;
+}
+
+void
+endhostent()
+{
+	_res.options &= ~(RES_STAYOPEN | RES_USEVC);
+	_res_close();
+}

lib/libc/stdlib/free.3

@@ -0,0 +1,81 @@
+.\" Copyright (c) 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the American National Standards Committee X3, on Information
+.\" Processing Systems.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)free.3	8.1 (Berkeley) 6/4/93
+.\"
+.Dd June 4, 1993
+.Dt FREE 3
+.Os
+.Sh NAME
+.Nm free
+.Nd free up memory allocated with malloc, calloc or realloc
+.Sh SYNOPSIS
+.Fd #include <stdlib.h>
+.Ft void
+.Fn free "void *ptr"
+.Sh DESCRIPTION
+The
+.Fn free
+function causes the space pointed to by
+.Fa ptr
+to be deallocated, that is, made available
+for further allocation.
+If
+.Fa ptr
+is a null pointer, no action occurs.
+Otherwise, if the argument does not match a pointer earlier
+returned by the
+.Xr calloc ,
+.Xr malloc ,
+or
+.Xr realloc
+function, or if the space has been deallocated by a call to
+.Fn free
+or
+.Xr realloc ,
+general havoc may occur.
+.Sh RETURN VALUES
+The
+.Fn free
+function returns no value.
+.Sh SEE ALSO
+.Xr calloc 3 ,
+.Xr malloc 3 ,
+.Xr realloc 3
+.Sh STANDARDS
+The
+.Fn free
+function conforms to
+.St -ansiC .

lib/libc/stdlib/realloc.3

@@ -0,0 +1,99 @@
+.\" Copyright (c) 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)realloc.3	8.2 (Berkeley) 4/19/94
+.\"
+.Dd April 19, 1994
+.Dt REALLOC 3
+.Os
+.Sh NAME
+.Nm realloc
+.Nd reallocation of memory function
+.Sh SYNOPSIS
+.Fd #include <stdlib.h>
+.Ft void *
+.Fn realloc "void *ptr" "size_t size"
+.Sh DESCRIPTION
+The
+.Fn realloc
+function changes the size of the object pointed to by
+.Fa ptr
+to the size specified by
+.Fa size .
+The contents of the object are unchanged up to the lesser
+of the new and old sizes.
+If the new size is larger, the value of the newly allocated portion
+of the object is indeterminate.
+If
+.Fa ptr
+is a null pointer, the
+.Fn realloc
+function behaves like the
+.Xr malloc 3
+function for the specified size.
+Otherwise, if
+.Fa ptr
+does not match a pointer earlier returned by the
+.Xr calloc 3 ,
+.Xr malloc 3 ,
+or 
+.Fn realloc
+function, or if the space has been deallocated
+by a call to the
+.Xr free
+or
+.Fn realloc
+function, unpredictable and usually detrimental
+behavior will occur.
+If the space cannot be allocated, the object 
+pointed to by
+.Fa ptr
+is unchanged.
+If
+.Fa size
+is zero and
+.Fa ptr
+is not a null pointer, the object it points to is freed.
+.Pp
+The
+.Fn realloc
+function returns either a null pointer or a pointer
+to the possibly moved allocated space.
+.Sh SEE ALSO
+.Xr alloca 3 ,
+.Xr calloc 3 ,
+.Xr free 3 ,
+.Xr malloc 3 ,
+.Sh STANDARDS
+The
+.Fn realloc
+function conforms to
+.St -ansiC .

lib/libc/string/strftime.3

@@ -0,0 +1,186 @@
+.\" Copyright (c) 1989, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the American National Standards Committee X3, on Information
+.\" Processing Systems.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)strftime.3	8.1 (Berkeley) 6/4/93
+.\"
+.Dd June 4, 1993
+.Dt STRFTIME 3
+.Os
+.Sh NAME
+.Nm strftime
+.Nd format date and time
+.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <time.h>
+.Fd #include <string.h>
+.Ft size_t
+.Fn strftime "char *buf" "size_t maxsize" "const char *format" "const struct tm *timeptr"
+.Sh DESCRIPTION
+The
+.Fn strftime
+function formats the information from
+.Fa timeptr
+into the buffer
+.Fa buf
+according to the string pointed to by
+.Fa format .
+.Pp
+The
+.Fa format
+string consists of zero or more conversion specifications and
+ordinary characters.
+All ordinary characters are copied directly into the buffer.
+A conversion specification consists of a percent sign
+.Dq Ql %
+and one other character.
+.Pp
+No more than
+.Fa maxsize
+characters will be placed into the array.
+If the total number of resulting characters, including the terminating
+null character, is not more than
+.Fa maxsize ,
+.Fn strftime
+returns the number of characters in the array, not counting the
+terminating null.
+Otherwise, zero is returned.
+.Pp
+Each conversion specification is replaced by the characters as
+follows which are then copied into the buffer.
+.Bl -tag -width "xxxx"
+.It Cm \&%A
+is replaced by the full weekday name.
+.It Cm %a
+is replaced by the abbreviated weekday name, where the abbreviation
+is the first three characters.
+.It Cm \&%B
+is replaced by the full month name.
+.It Cm %b  or  %h
+is replaced by the abbreviated month name, where the abbreviation is
+the first three characters.
+.It Cm \&%C
+is equivalent to
+.Dq Li %a %b %e %H:%M:%S %Y
+(the format produced by
+.Xr asctime 3 .
+.It Cm %c
+is equivalent to
+.Dq Li %m/%d/%y .
+.It Cm \&%D
+is replaced by the date in the format
+.Dq Ql mm/dd/yy .
+.It Cm %d
+is replaced by the day of the month as a decimal number (01-31).
+.It Cm %e
+is replaced by the day of month as a decimal number (1-31); single
+digits are preceded by a blank.
+.It Cm \&%H
+is replaced by the hour (24-hour clock) as a decimal number (00-23).
+.It Cm \&%I
+is replaced by the hour (12-hour clock) as a decimal number (01-12).
+.It Cm %j
+is replaced by the day of the year as a decimal number (001-366).
+.It Cm %k
+is replaced by the hour (24-hour clock) as a decimal number (0-23);
+single digits are preceded by a blank.
+.It Cm %l
+is replaced by the hour (12-hour clock) as a decimal number (1-12);
+single digits are preceded by a blank.
+.It Cm \&%M
+is replaced by the minute as a decimal number (00-59).
+.It Cm %m
+is replaced by the month as a decimal number (01-12).
+.It Cm %n
+is replaced by a newline.
+.It Cm %p
+is replaced by either
+.Dq Tn AM
+or
+.Dq Tn PM
+as appropriate.
+.It Cm \&%R
+is equivalent to
+.Dq Li %H:%M
+.It Cm %r
+is equivalent to
+.Dq Li %I:%M:%S %p .
+.It Cm %t
+is replaced by a tab.
+.It Cm \&%S
+is replaced by the second as a decimal number (00-60).
+.It Cm %s
+is replaced by the number of seconds since the Epoch, UCT (see
+.Xr mktime 3 ) .
+.It Cm \&%T No or Cm \&%X
+is equivalent to
+.Dq Li %H:%M:%S .
+.It Cm \&%U
+is replaced by the week number of the year (Sunday as the first day of
+the week) as a decimal number (00-53).
+.It Cm \&%W
+is replaced by the week number of the year (Monday as the first day of
+the week) as a decimal number (00-53).
+.It Cm %w
+is replaced by the weekday (Sunday as the first day of the week)
+as a decimal number (0-6).
+.It Cm %x
+is equivalent to
+.Dq Li %m/%d/%y %H:%M:%S .
+.It Cm \&%Y
+is replaced by the year with century as a decimal number.
+.It Cm %y
+is replaced by the year without century as a decimal number (00-99).
+.It Cm \&%Z
+is replaced by the time zone name.
+.It Cm %%
+is replaced by
+.Ql % .
+.El
+.Sh SEE ALSO
+.Xr date 1 ,
+.Xr ctime 3 ,
+.Xr printf 1 ,
+.Xr printf 3
+.Sh STANDARDS
+The
+.Fn strftime
+function
+conforms to
+.St -ansiC .
+The
+.Ql %s
+conversion specification is an extension.
+.Sh BUGS
+There is no conversion specification for the phase of the moon.

lib/libc/string/strftime.c

@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)strftime.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <tzfile.h>
+#include <string.h>
+
+static char *afmt[] = {
+	"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
+};
+static char *Afmt[] = {
+	"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+	"Saturday",
+};
+static char *bfmt[] = {
+	"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep",
+	"Oct", "Nov", "Dec",
+};
+static char *Bfmt[] = {
+	"January", "February", "March", "April", "May", "June", "July",
+	"August", "September", "October", "November", "December",
+};
+
+static size_t gsize;
+static char *pt;
+static int _add __P((char *));
+static int _conv __P((int, int, int));
+static int _secs __P((const struct tm *));
+static size_t _fmt __P((const char *, const struct tm *));
+
+size_t
+strftime(s, maxsize, format, t)
+	char *s;
+	size_t maxsize;
+	const char *format;
+	const struct tm *t;
+{
+
+	pt = s;
+	if ((gsize = maxsize) < 1)
+		return(0);
+	if (_fmt(format, t)) {
+		*pt = '\0';
+		return(maxsize - gsize);
+	}
+	return(0);
+}
+
+static size_t
+_fmt(format, t)
+	register const char *format;
+	const struct tm *t;
+{
+	for (; *format; ++format) {
+		if (*format == '%')
+			switch(*++format) {
+			case '\0':
+				--format;
+				break;
+			case 'A':
+				if (t->tm_wday < 0 || t->tm_wday > 6)
+					return(0);
+				if (!_add(Afmt[t->tm_wday]))
+					return(0);
+				continue;
+			case 'a':
+				if (t->tm_wday < 0 || t->tm_wday > 6)
+					return(0);
+				if (!_add(afmt[t->tm_wday]))
+					return(0);
+				continue;
+			case 'B':
+				if (t->tm_mon < 0 || t->tm_mon > 11)
+					return(0);
+				if (!_add(Bfmt[t->tm_mon]))
+					return(0);
+				continue;
+			case 'b':
+			case 'h':
+				if (t->tm_mon < 0 || t->tm_mon > 11)
+					return(0);
+				if (!_add(bfmt[t->tm_mon]))
+					return(0);
+				continue;
+			case 'C':
+				if (!_fmt("%a %b %e %H:%M:%S %Y", t))
+					return(0);
+				continue;
+			case 'c':
+				if (!_fmt("%m/%d/%y %H:%M:%S", t))
+					return(0);
+				continue;
+			case 'D':
+				if (!_fmt("%m/%d/%y", t))
+					return(0);
+				continue;
+			case 'd':
+				if (!_conv(t->tm_mday, 2, '0'))
+					return(0);
+				continue;
+			case 'e':
+				if (!_conv(t->tm_mday, 2, ' '))
+					return(0);
+				continue;
+			case 'H':
+				if (!_conv(t->tm_hour, 2, '0'))
+					return(0);
+				continue;
+			case 'I':
+				if (!_conv(t->tm_hour % 12 ?
+				    t->tm_hour % 12 : 12, 2, '0'))
+					return(0);
+				continue;
+			case 'j':
+				if (!_conv(t->tm_yday + 1, 3, '0'))
+					return(0);
+				continue;
+			case 'k':
+				if (!_conv(t->tm_hour, 2, ' '))
+					return(0);
+				continue;
+			case 'l':
+				if (!_conv(t->tm_hour % 12 ?
+				    t->tm_hour % 12 : 12, 2, ' '))
+					return(0);
+				continue;
+			case 'M':
+				if (!_conv(t->tm_min, 2, '0'))
+					return(0);
+				continue;
+			case 'm':
+				if (!_conv(t->tm_mon + 1, 2, '0'))
+					return(0);
+				continue;
+			case 'n':
+				if (!_add("\n"))
+					return(0);
+				continue;
+			case 'p':
+				if (!_add(t->tm_hour >= 12 ? "PM" : "AM"))
+					return(0);
+				continue;
+			case 'R':
+				if (!_fmt("%H:%M", t))
+					return(0);
+				continue;
+			case 'r':
+				if (!_fmt("%I:%M:%S %p", t))
+					return(0);
+				continue;
+			case 'S':
+				if (!_conv(t->tm_sec, 2, '0'))
+					return(0);
+				continue;
+			case 's':
+				if (!_secs(t))
+					return(0);
+				continue;
+			case 'T':
+			case 'X':
+				if (!_fmt("%H:%M:%S", t))
+					return(0);
+				continue;
+			case 't':
+				if (!_add("\t"))
+					return(0);
+				continue;
+			case 'U':
+				if (!_conv((t->tm_yday + 7 - t->tm_wday) / 7,
+				    2, '0'))
+					return(0);
+				continue;
+			case 'W':
+				if (!_conv((t->tm_yday + 7 -
+				    (t->tm_wday ? (t->tm_wday - 1) : 6))
+				    / 7, 2, '0'))
+					return(0);
+				continue;
+			case 'w':
+				if (!_conv(t->tm_wday, 1, '0'))
+					return(0);
+				continue;
+			case 'x':
+				if (!_fmt("%m/%d/%y", t))
+					return(0);
+				continue;
+			case 'y':
+				if (!_conv((t->tm_year + TM_YEAR_BASE)
+				    % 100, 2, '0'))
+					return(0);
+				continue;
+			case 'Y':
+				if (!_conv(t->tm_year + TM_YEAR_BASE, 4, '0'))
+					return(0);
+				continue;
+			case 'Z':
+				if (!t->tm_zone || !_add(t->tm_zone))
+					return(0);
+				continue;
+			case '%':
+			/*
+			 * X311J/88-090 (4.12.3.5): if conversion char is
+			 * undefined, behavior is undefined.  Print out the
+			 * character itself as printf(3) does.
+			 */
+			default:
+				break;
+		}
+		if (!gsize--)
+			return(0);
+		*pt++ = *format;
+	}
+	return(gsize);
+}
+
+static int
+_secs(t)
+	const struct tm *t;
+{
+	static char buf[15];
+	register time_t s;
+	register char *p;
+	struct tm tmp;
+
+	/* Make a copy, mktime(3) modifies the tm struct. */
+	tmp = *t;
+	s = mktime(&tmp);
+	for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10)
+		*p-- = s % 10 + '0';
+	return(_add(++p));
+}
+
+static int
+_conv(n, digits, pad)
+	int n, digits, pad;
+{
+	static char buf[10];
+	register char *p;
+
+	for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits)
+		*p-- = n % 10 + '0';
+	while (p > buf && digits-- > 0)
+		*p-- = pad;
+	return(_add(++p));
+}
+
+static int
+_add(str)
+	register char *str;
+{
+	for (;; ++pt, --gsize) {
+		if (!gsize)
+			return(0);
+		if (!(*pt = *str++))
+			return(1);
+	}
+}

lib/libcompat/regexp/regexp.h

@@ -0,0 +1,21 @@
+/*
+ * Definitions etc. for regexp(3) routines.
+ *
+ * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
+ * not the System V one.
+ */
+#define NSUBEXP  10
+typedef struct regexp {
+	char *startp[NSUBEXP];
+	char *endp[NSUBEXP];
+	char regstart;		/* Internal use only. */
+	char reganch;		/* Internal use only. */
+	char *regmust;		/* Internal use only. */
+	int regmlen;		/* Internal use only. */
+	char program[1];	/* Unwarranted chumminess with compiler. */
+} regexp;
+
+extern regexp *regcomp();
+extern int regexec();
+extern void regsub();
+extern void regerror();

lib/libcurses/PSD.doc/Makefile

@@ -0,0 +1,35 @@
+#	@(#)Makefile	8.2 (Berkeley) 5/23/94
+
+DIR=	psd/19.curses
+SRCS=	Master
+MACROS=	-me
+
+CLEANFILES+=win_st.gr twinkle1.gr twinkle2.gr life.gr intro.2.tbl appen.A.tbl \
+	ex1.gr ex2.gr
+
+.SUFFIXES:
+.SUFFIXES: .c .gr
+
+#
+# this section formats C input source into nice troffable (or nroffable)
+# versions.  It uses the capabilites of "vgrind", which sets keywords in
+# bold font, and comments in italics.
+#
+
+# Don't re-run vgrind unless you want to patch the output files.
+VFONT=	/usr/libexec/vfontedpr
+.c.gr:
+	${VFONT} $*.c | grep -v "^'wh" > $*.gr
+
+paper.ps: ${SRCS}
+	soelim ${SRCS} | ${ROFF} > ${.TARGET}
+
+Master: twinkle1.gr ex1.gr ex2.gr fns.doc intro.5 intro.2.tbl intro.0 intro.1 \
+	intro.3 intro.4 intro.6 macros c_macros
+
+intro.2.tbl: intro.2
+	${TBL} intro.2 > intro.2.tbl
+
+.include <bsd.doc.mk>
+
+

lib/libcurses/PSD.doc/Master

@@ -0,0 +1,54 @@
+.\" Copyright (c) 1980, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	@(#)Master	8.2 (Berkeley) 5/24/94
+.\"
+.ds Ln Screen Package
+.so macros
+.so c_macros
+.so intro.0
+.pn 3
+.bp
+.so intro.1
+.so intro.2.tbl
+.so intro.3
+.so intro.4
+.so intro.5
+.so intro.6
+.bp
+.so appen.A
+.pn 2
+.oh '\*(Ln''PSD:19-%'
+.eh 'PSD:19-%''\*(Ln'
+.bp
+.bi Contents
+.sp
+.xp

lib/libcurses/PSD.doc/fns.doc

@@ -0,0 +1,799 @@
+.\" Copyright (c) 1992, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)fns.doc	8.2 (Berkeley) 6/1/94
+.\"
+.Ds
+.Fn addch "char ch" \(dg
+.De
+Add the character
+.Vn ch
+on the window
+at the current \*y.
+If the character is a newline
+(\'\en\')
+the line will be cleared to the end,
+and the current \*y will be changed to the
+beginning off the next line
+if newline mapping is on,
+or to the next line at the same x co-ordinate
+if it is off.
+A return
+(\'\er\')
+will move to the beginning of the line on the window.
+Tabs
+(\'\et\')
+will be expanded into spaces
+in the normal tabstop positions of
+every eight characters.
+\*(Es
+.Ds
+.Fn addstr "char *str" \(dg
+.De
+Add the string pointed to by
+.Vn str
+on the window at the current \*y.
+\*(Es
+In this case, it will put on as much as it can.
+.Ds
+.Fn baudrate "" \(dg
+.De
+Returns the output baud rate of the terminal.
+This is a system dependent constant
+(defined in
+.b <sys/tty.h>
+on BSD systems,
+which is included by
+.b <curses.h> ).
+.Ds
+.Fn box "WINDOW win" "char vert" "char hor"
+.De
+.Pp
+Draws a box around the window using
+.Vn vert
+as the character for drawing the vertical sides, and
+.Vn hor
+for drawing the horizontal lines.
+If scrolling is not allowed,
+and the window encompasses the lower right-hand corner of the terminal,
+the corners are left blank to avoid a scroll.
+.Ds
+.Fn cbreak "" \(dg
+.De
+Set or the terminal to cbreak mode.
+.Ds
+.Fn clear "" \(dg
+.De
+Resets the entire window to blanks.
+If
+.Vn win
+is a screen,
+this sets the clear flag,
+which will cause a clear-screen sequence to be sent
+on the next
+.Fn refresh
+call.
+This also moves the current \*y
+to (0\*,0).
+.Ds
+.Fn clearok "WINDOW *scr" "int boolf" \(dg
+.De
+Sets the clear flag for the screen
+.Vn scr .
+If
+.Vn boolf
+is non-zero,
+this will force a clear-screen to be printed on the next
+.Fn refresh ,
+or stop it from doing so if
+.Vn boolf
+is 0.
+This only works on screens,
+and,
+unlike
+.Fn clear ,
+does not alter the contents of the screen.
+If
+.Vn scr
+is
+.Vn curscr ,
+the next
+.Fn refresh
+call will cause a clear-screen,
+even if the window passed to
+.Fn refresh
+is not a screen.
+.Ds
+.Fn clrtobot "" \(dg
+.De
+Wipes the window clear from the current \*y to the bottom.
+This does not force a clear-screen sequence on the next refresh
+under any circumstances.
+\*(Nm
+.Ds
+.Fn clrtoeol "" \(dg
+.De
+Wipes the window clear from the current \*y to the end of the line.
+\*(Nm
+.Ds
+.Fn crmode "" \(dg
+.De
+Identical to 
+.Fn cbreak .
+The misnamed macro
+.Fn crmode
+and
+.Fn nocrmode
+is retained for backwards compatibility
+with ealier versions of the library.
+.Ds
+.Fn delch ""
+.De
+Delete the character at the current \*y.
+Each character after it on the line shifts to the left,
+and the last character becomes blank.
+.Ds
+.Fn deleteln ""
+.De
+Delete the current line.
+Every line below the current one will move up,
+and the bottom line will become blank.
+The current \*y will remain unchanged.
+.Ds
+.Fn delwin "WINDOW *win"
+.De
+Deletes the window from existence.
+All resources are freed for future use by
+.b calloc (3).
+If a window has a
+.Fn subwin
+allocated window inside of it,
+deleting the outer window
+the subwindow is not affected,
+even though this does invalidate it.
+Therefore,
+subwindows should be deleted before their
+outer windows are.
+.Ds
+.Fn echo "" \(dg
+.De
+Sets the terminal to echo characters.
+.Ds
+.Fn endwin ""
+.De
+Finish up window routines before exit.
+This restores the terminal to the state it was before
+.Fn initscr
+(or
+.Fn gettmode
+and
+.Fn setterm )
+was called.
+It should always be called before exiting and before the final calls to 
+.Fn delwin .
+It does not exit.
+This is especially useful for resetting tty stats
+when trapping rubouts via
+.b signal (2).
+.Ds
+.Fn erase "" \(dg
+.De
+Erases the window to blanks without setting the clear flag.
+This is analagous to
+.Fn clear ,
+except that it never causes a clear-screen sequence to be generated
+on a
+.Fn refresh .
+\*(Nm
+.Ds
+.Fn erasechar "" \(dg
+.De
+Returns the erase character
+for the terminal,
+.i i.e. ,
+the character used by the user to erase a single character from the input.
+.Ds
+.Fn flushok "WINDOW *win" "int boolf"
+.De
+Normally,
+.Fn refresh
+.Fn fflush 's
+.Vn stdout
+when it is finished.
+.Fn flushok
+allows you to control this.
+if
+.Vn boolf
+is non-zero
+(\c
+.i i.e. ,
+non-zero)
+it will do the
+.Fn fflush ,
+otherwise it will not.
+.Ds
+.Fn getch "" \(dg
+.De
+Gets a character from the terminal and (if necessary)
+echos it on the window.
+\*(Es
+Otherwise, the character gotten is returned.
+If
+.i noecho
+has been set, then the window is left unaltered.
+In order to retain control of the terminal,
+it is necessary to have one of
+.i noecho ,
+.i cbreak ,
+or
+.i rawmode
+set.
+If you do not set one,
+whatever routine you call to read characters will set
+.i cbreak
+for you,
+and then reset to the original mode when finished.
+.Ds
+.Fn getstr "char *str" \(dg
+.De
+Get a string through the window
+and put it in the location pointed to by
+.Vn str ,
+which is assumed to be large enough to handle it.
+It sets tty modes if necessary,
+and then calls
+.Fn getch
+(or
+.Fn wgetch )
+to get the characters needed to fill in the string
+until a newline or EOF is encountered.
+The newline stripped off the string.
+\*(Es
+.Ds
+.Fn gettmode ""
+.De
+Get the tty stats.
+This is normally called by
+.Fn initscr .
+.Ds
+.Fn getyx "WINDOW *win" "int y" "int x"
+.De
+Puts the current \*y of
+.Vn win
+in the variables
+.Vn y
+and
+.Vn x .
+Since it is a macro,
+not a function,
+you do not pass the address
+of
+.Vn y
+and
+.Vn x .
+.Ds
+.Fn idlok "WINDOW *win" "int boolf"
+.De
+Reserved for future use.
+This will eventually signal to
+.Fn refresh
+that it is all right to use the insert and delete line sequences
+when updating the window.
+.ne 1i
+.Ds
+.Fn inch "" \(dg
+.De
+Returns the character at the current position on the given window.
+This does not make any changes to the window.
+.Ds
+.Fn initscr ""
+.De
+Initialize the screen routines.
+This must be called before any of the screen routines are used.
+It initializes the terminal-type data and such,
+and without it none of the routines can operate.
+If standard input is not a tty,
+it sets the specifications to the terminal
+whose name is pointed to by
+.Vn Def\*_term
+(initially "dumb").
+If the boolean
+.Vn My\*_term
+is non-zero,
+.Vn Def\*_term
+is always used.
+If the system supports the
+.b TIOCGWINSZ
+.i ioctl(2)
+call,
+it is used to get the number of lines and columns for the terminal,
+otherwise it is taken from the
+.b termcap
+description.
+.Ds
+.Fn insch "char c"
+.De
+Insert
+.Vn c
+at the current \*y
+Each character after it shifts to the right,
+and the last character disappears.
+\*(Es
+.Ds
+.Fn insertln ""
+.De
+Insert a line above the current one.
+Every line below the current line
+will be shifted down,
+and the bottom line will disappear.
+The current line will become blank,
+and the current \*y will remain unchanged.
+.Ds
+.Fn killchar "" \(dg
+.De
+Returns the line kill character
+for the terminal,
+.i i.e. ,
+the character used by the user to erase an entire line from the input.
+.Ds
+.Fn leaveok "WINDOW *win" "int boolf" \(dg
+.De
+Sets the boolean flag for leaving the cursor after the last change.
+If
+.Vn boolf
+is non-zero,
+the cursor will be left after the last update on the terminal,
+and the current \*y for
+.Vn win
+will be changed accordingly.
+If 
+.Vn boolf
+ is 0 the cursor will be moved to the current \*y.
+This flag
+(initially 0)
+retains its value until changed by the user.
+.Ds
+.Fn move "int y" "int x"
+.De
+Change the current \*y of the window to
+.Vn y\*,x ). (
+\*(Es
+.Ds
+.Fn mvcur "int lasty" "int lastx" "int newy" "int newx"
+.De
+Moves the terminal's cursor from
+.Vn lasty\*,lastx ) (
+to
+.Vn newy\*,newx ) (
+in an approximation of optimal fashion.
+This routine uses the functions borrowed from
+.i ex
+version 2.6.
+It is possible to use this optimization
+without the benefit of the screen routines.
+With the screen routines, this should not be called by the user.
+.Fn move
+and
+.Fn refresh
+should be used to move the cursor position,
+so that the routines know what's going on.
+.Ds
+.Fn mvprintw "int y" "int x" "const char *fmt" "..."
+.De
+Equivalent to:
+.(l
+move(y, x);
+printw(fmt, ...);
+.)l
+.Ds 
+.Fn mvscanw "int y" "int x" "const char *fmt" "..."
+.De
+Equivalent to:
+.(l
+move(y, x);
+scanw(fmt, ...);
+.)l
+.Ds
+.Fn mvwin "WINDOW *win" "int y" "int x"
+.De
+Move the home position of the window
+.Vn win
+from its current starting coordinates
+to
+.Vn y\*,x ). (
+If that would put part or all of the window
+off the edge of the terminal screen,
+.Fn mvwin
+returns ERR and does not change anything.
+For subwindows,
+.Fn mvwin
+also returns ERR if you attempt to move it off its main window.
+If you move a main window,
+all subwindows are moved along with it.
+.Ds
+.Fn mvwprintw "WINDOW *win" "int y" "int x" "const char *fmt" "..."
+.De
+Equivalent to:
+.(l
+wmove(win, y, x);
+printw(fmt, ...);
+.)l
+.Ds
+.Fn mvwscanw "WINDOW *win" "int y" "int x" "const char *fmt" "..."
+.De
+Equivalent to:
+.(l
+wmove(win, y, x);
+scanw(fmt, ...);
+.)l
+.Ds
+.Ft "WINDOW *"
+.Fn newwin "int lines" "int cols" "int begin_y" "int begin_x" 
+.De
+Create a new window with
+.Vn lines
+lines and
+.Vn cols
+columns starting at position
+.Vn begin\*_y\*,begin\*_x ). (
+If either
+.Vn lines
+or
+.Vn cols
+is 0 (zero),
+that dimension will be set to
+.Vn "LINES \- begin\*_y" ) (
+or
+.Vn "COLS \- begin\*_x" ) (
+respectively.
+Thus, to get a new window of dimensions
+.Vn LINES
+\(mu
+.Vn COLS ,
+use
+.Fn newwin 0 0 0 0 .
+.Ds
+.Fn nl "" \(dg
+.De
+Set the terminal to nl mode,
+.i i.e. ,
+start/stop the system from mapping
+.b <RETURN>
+to
+.b <LINE-FEED> .
+If the mapping is not done,
+.Fn refresh
+can do more optimization,
+so it is recommended, but not required, to turn it off.
+.Ds
+.Fn nocbreak "" \(dg
+.De
+Unset the terminal from cbreak mode.
+.Ds
+.Fn nocrmode "" \(dg
+.De
+Identical to
+.Fn nocbreak .
+The misnamed macro
+.Fn nocrmode
+is retained for backwards compatibility
+with ealier versions of the library.
+.Ds
+.Fn noecho "" \(dg
+.De
+Turn echoing of characters off.
+.Ds
+.Fn nonl "" \(dg
+.De
+Unset the terminal to from nl mode.  See 
+.Fn nl .
+.ne 1i
+.Ds
+.Fn noraw "" \(dg
+.De
+Unset the terminal from raw mode.  See 
+.Fn raw .
+.Ds
+.Fn overlay "WINDOW *win1" "WINDOW *win2"
+.De
+Overlay
+.Vn win1
+on
+.Vn win2 .
+The contents of
+.Vn win1 ,
+insofar as they fit,
+are placed on
+.Vn win2
+at their starting \*y.
+This is done non-destructively,
+i.e., blanks on
+.Vn win1
+leave the contents of the space on
+.Vn win2
+untouched.  Note that all non-blank characters are overwritten 
+destructively in the overlay.
+.Ds
+.Fn overwrite "WINDOW *win1" "WINDOW *win2"
+.De
+Overwrite
+.Vn win1
+on
+.Vn win2 .
+The contents of
+.Vn win1 ,
+insofar as they fit,
+are placed on
+.Vn win2
+at their starting \*y.
+This is done destructively,
+.i i.e. ,
+blanks on
+.Vn win1
+become blank on
+.Vn win2 .
+.Ds
+.Fn printw "char *fmt" "..."
+.De
+Performs a
+.Fn printf
+on the window starting at the current \*y.
+It uses
+.Fn addstr
+to add the string on the window.
+It is often advisable to use the field width options of
+.Fn printf
+to avoid leaving things on the window from earlier calls.
+\*(Es
+.Ds
+.Fn raw "" \(dg
+.De
+Set the terminal to raw mode.
+On version 7
+.Un \**
+.(f
+\**
+.Un
+is a trademark of Unix System Laboratories.
+.)f
+this also turns off newline mapping
+(see
+.Fn nl ).
+.Ds
+.Fn refresh "" \(dg
+.De
+Synchronize the terminal screen with the desired window.
+If the window is not a screen,
+only that part covered by it is updated.
+\*(Es
+In this case, it will update whatever it can
+without causing the scroll.
+.sp
+As a special case,
+if
+.Fn wrefresh
+is called with the window
+.Vn curscr
+the screen is cleared
+and repainted as it is currently.
+This is very useful for allowing the redrawing of the screen
+when the user has garbage dumped on his terminal.
+.Ds
+.Fn resetty "" \(dg
+.De
+.Fn resetty
+restores them to what
+.Fn savetty
+stored.
+These functions are performed automatically by
+.Fn initscr
+and
+.Fn endwin .  
+This function should not be used by the user.
+.Ds
+.Fn savetty "" \(dg
+.De
+.Fn savetty
+saves the current tty characteristic flags. See
+.Fn resetty .
+This function should not be used by the user.
+.Ds
+.Fn scanw "char *fmt" "..."
+.De
+Perform a
+.Fn scanf
+through the window using
+.Vn fmt .
+It does this using consecutive calls to 
+.Fn getch
+(or
+.Fn wgetch ).
+\*(Es
+.ne 1i
+.Ds
+.Fn scroll "WINDOW *win"
+.De
+Scroll the window upward one line.
+This is normally not used by the user.
+.Ds
+.Fn scrollok "WINDOW *win" "int boolf" \(dg
+.De
+Set the scroll flag for the given window.
+If
+.Vn boolf
+is 0, scrolling is not allowed.
+This is its default setting.
+.Ds
+.Fn standend "" \(dg
+.De
+End standout mode initiated by
+.Fn standout .
+.Ds
+.Fn standout "" \(dg
+.De
+Causes any characters added to the window
+to be put in standout mode on the terminal
+(if it has that capability).
+.Ds
+.Ft "WINDOW *"
+.Fn subwin "WINDOW *win" "int lines" "int cols" "int begin_y" "int begin_x"
+.De
+Create a new window with
+.Vn lines
+lines and
+.Vn cols
+columns starting at position
+.Vn begin\*_y\*,begin\*_x ) (
+inside the window
+.i win .
+This means that any change made to either window
+in the area covered
+by the subwindow will be made on both windows.
+.Vn begin\*_y\*,begin\*_x
+are specified relative to the overall screen,
+not the relative (0\*,0) of
+.Vn win .
+If either
+.Vn lines
+or
+.Vn cols
+is 0 (zero),
+that dimension will be set to
+.Vn "LINES \- begin\*_y" ) (
+or
+.Vn "COLS \- begin\*_x" ) (
+respectively.
+.Ds
+.Fn touchline "WINDOW *win" "int y" "int startx" "int endx"
+.De
+This function performs a function similar to
+.Fn touchwin
+on a single line.
+It marks the first change for the given line
+to be
+.Vn startx ,
+if it is before the current first change mark,
+and
+the last change mark is set to be
+.Vn endx
+if it is currently less than
+.Vn endx .
+.Ds
+.Fn touchoverlap "WINDOW *win1" "WINDOW *win2"
+.De
+Touch the window
+.Vn win2
+in the area which overlaps with
+.Vn win1 .
+If they do not overlap,
+no changes are made.
+.Ds
+.Fn touchwin "WINDOW *win"
+.De
+Make it appear that the every location on the window
+has been changed.
+This is usually only needed for refreshes with overlapping windows.
+.Ds
+.Fn tstp
+.De
+This function
+will save the current tty state
+and then put the process to sleep.
+When the process gets restarted,
+it restores the saved tty state
+and then calls
+.Fn wrefresh "curscr"
+to redraw the screen.
+.Fn Initscr
+sets the signal
+SIGTSTP
+to trap to this routine.
+.Ds
+.Fn unctrl "char *ch" \(dg
+.De
+Returns a string which is an ASCII representation of
+.Vn ch .  
+Characters are 8 bits long.
+.Ds
+.Fn unctrllen "char *ch" \(dg
+.De
+Returns the length of the ASCII representation of 
+.Vn ch .
+.ne 1i
+.Ds
+.Fn vwprintw "WINDOW *win" "const char *fmt" "va_list ap"
+.De
+Identical to 
+.Fn printw 
+except that it takes both a window specification and a pointer to a variable
+length argument list.
+.Ds
+.Fn vwscanw "WINDOW *win" "const char *fmt" "va_list ap"
+.De
+Identical to 
+.Fn scanw
+except that it takes both a window specification and a pointer to a variable
+length argument list.
+.Ds
+.Fn waddbytes "WINDOW *win" "char *str" "int len"
+.De
+This function is the low level character output function.  
+.Vn Len
+characters of the string
+.Vn str
+are output to the current \*y position of the window specified by
+.Vn win.
+.sp 2
+.pp
+\fIThe following functions differ from the standard functions only in their 
+specification of a window, rather than the use of the default
+.Vn stdscr.\fP
+.Ds
+.Fn waddch "WINDOW *win" "char ch" 
+.Fn waddstr "WINDOW *win" "char *str" 
+.Fn wclear "WINDOW *win"  
+.Fn wclrtobot "WINDOW *win"  
+.Fn wclrtoeol "WINDOW *win"  
+.Fn wdelch "WINDOW *win"  
+.Fn wdeleteln "WINDOW *win" 
+.Fn werase "WINDOW *win" 
+.Fn wgetch "WINDOW *win" 
+.Fn wgetstr "WINDOW *win" "char *str" 
+.Fn winch "WINDOW *win" \(dg
+.Fn winsch "WINDOW *win" "char c" 
+.Fn winsertln "WINDOW *win" 
+.Fn wmove "WINDOW *win" "int y" int x" 
+.Fn wprintw "WINDOW *win" "char *fmt" "..." 
+.Fn wrefresh "WINDOW *win" 
+.Fn wscanw "WINDOW *win" "char *fmt" "..." 
+.Fn wstandend "WINDOW *win" 
+.Fn wstandout "WINDOW *win"
+.Dg

lib/libcurses/addbytes.c

@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 1987, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)addbytes.c	8.4 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+#define	SYNCH_IN	{y = win->cury; x = win->curx;}
+#define	SYNCH_OUT	{win->cury = y; win->curx = x;}
+
+/*
+ * waddbytes --
+ *	Add the character to the current position in the given window.
+ */
+int
+__waddbytes(win, bytes, count, so)
+	register WINDOW *win;
+	register const char *bytes;
+	register int count;
+	int so;
+{
+	static char blanks[] = "        ";
+	register int c, newx, x, y;
+	char stand;
+	__LINE *lp;
+
+	SYNCH_IN;
+
+#ifdef DEBUG
+	__CTRACE("ADDBYTES('%c') at (%d, %d)\n", c, y, x);
+#endif
+	while (count--) {
+		c = *bytes++;
+		switch (c) {
+		case '\t':
+			SYNCH_OUT;
+			if (waddbytes(win, blanks, 8 - (x % 8)) == ERR)
+				return (ERR);
+			SYNCH_IN;
+			break;
+
+		default:
+#ifdef DEBUG
+	__CTRACE("ADDBYTES(%0.2o, %d, %d)\n", win, y, x);
+#endif
+			
+			lp = win->lines[y];
+			if (lp->flags & __ISPASTEOL) {
+				lp->flags &= ~__ISPASTEOL;
+newline:			if (y == win->maxy - 1) {
+					if (win->flags & __SCROLLOK) {
+						SYNCH_OUT;
+						scroll(win);
+						SYNCH_IN;
+						lp = win->lines[y];
+					        x = 0;
+					} else
+						return (ERR);
+				} else {
+					y++;
+					lp = win->lines[y];
+					x = 0;
+				}
+				if (c == '\n')
+					break;
+			}
+				
+			stand = '\0';
+			if (win->flags & __WSTANDOUT || so)
+				stand |= __STANDOUT;
+#ifdef DEBUG
+	__CTRACE("ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n",
+	    y, x, *win->lines[y]->firstchp, *win->lines[y]->lastchp);
+#endif
+			if (lp->line[x].ch != c || 
+			    !(lp->line[x].attr & stand)) {
+				newx = x + win->ch_off;
+				if (!(lp->flags & __ISDIRTY)) {
+					lp->flags |= __ISDIRTY;
+					*lp->firstchp = *lp->lastchp = newx;
+				}
+				else if (newx < *lp->firstchp)
+					*lp->firstchp = newx;
+				else if (newx > *lp->lastchp)
+					*lp->lastchp = newx;
+#ifdef DEBUG
+	__CTRACE("ADDBYTES: change gives f/l: %d/%d [%d/%d]\n",
+	    *lp->firstchp, *lp->lastchp,
+	    *lp->firstchp - win->ch_off,
+	    *lp->lastchp - win->ch_off);
+#endif
+			}
+			lp->line[x].ch = c;
+			if (stand)
+				lp->line[x].attr |= __STANDOUT;
+			else
+				lp->line[x].attr &= ~__STANDOUT;
+			if (x == win->maxx - 1)
+				lp->flags |= __ISPASTEOL;
+			else
+				x++;
+#ifdef DEBUG
+	__CTRACE("ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n",
+	    y, x, *win->lines[y]->firstchp, *win->lines[y]->lastchp);
+#endif
+			break;
+		case '\n':
+			SYNCH_OUT;
+			wclrtoeol(win);
+			SYNCH_IN;
+			if (!NONL)
+				x = 0;
+			goto newline;
+		case '\r':
+			x = 0;
+			break;
+		case '\b':
+			if (--x < 0)
+				x = 0;
+			break;
+		}
+	}
+	SYNCH_OUT;
+	return (OK);
+}

lib/libcurses/addch.c

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)addch.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * waddch --
+ *	Add the character to the current position in the given window.
+ *
+ */
+int
+waddch(win, ch)
+	WINDOW *win;
+	int ch;
+{
+	__LDATA buf;
+
+	buf.ch = ch;
+	buf.attr = 0;
+	return (__waddch(win, &buf));
+}
+
+int
+__waddch(win, dp)
+	WINDOW *win;
+	__LDATA *dp;
+{
+	char buf[2];
+
+	buf[0] = dp->ch;
+	return (__waddbytes(win, buf, 1, dp->attr & __STANDOUT));
+}

lib/libcurses/addnstr.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)addnstr.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+/*
+ * waddnstr --
+ *	Add a string (at most n characters) to the given window
+ *	starting at (_cury, _curx).  If n is negative, add the
+ *	entire string.
+ */
+int
+waddnstr(win, s, n)
+	WINDOW *win;
+	const char *s;
+	int n;
+{
+	size_t len;
+	const char *p;
+
+	if (n > 0)
+		for (p = s, len = 0; n-- && *p++; ++len);
+	else
+		len = strlen(s);
+	return (waddbytes(win, s, len));
+}

lib/libcurses/box.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)box.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * box --
+ *	Draw a box around the given window with "vert" as the vertical
+ *	delimiting char, and "hor", as the horizontal one.
+ */
+int
+box(win, vert, hor)
+	register WINDOW *win;
+	int vert, hor;
+{
+	register int endy, endx, i;
+	register __LDATA *fp, *lp;
+
+	endx = win->maxx;
+	endy = win->maxy - 1;
+	fp = win->lines[0]->line;
+	lp = win->lines[endy]->line;
+	for (i = 0; i < endx; i++) {
+		fp[i].ch = lp[i].ch = hor;
+		fp[i].attr &= ~__STANDOUT;
+		lp[i].attr &= ~__STANDOUT;
+	}
+	endx--;
+	for (i = 0; i <= endy; i++) {
+		win->lines[i]->line[0].ch = vert;
+	        win->lines[i]->line[endx].ch = vert;
+		win->lines[i]->line[0].attr &= ~__STANDOUT;
+		win->lines[i]->line[endx].attr &= ~__STANDOUT;
+	}
+	if (!(win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN)) {
+		fp[0].ch = fp[endx].ch = lp[0].ch = lp[endx].ch = ' ';
+		fp[0].attr &= ~__STANDOUT;
+		fp[endx].attr &= ~__STANDOUT;
+		lp[0].attr &= ~__STANDOUT;
+		lp[endx].attr &= ~__STANDOUT;
+	}
+	__touchwin(win);
+	return (OK);
+}

lib/libcurses/clear.c

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)clear.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * wclear --
+ *	Clear the window.
+ */
+int
+wclear(win)
+	register WINDOW *win;
+{
+	if (werase(win) == OK) {
+		win->flags |= __CLEAROK;
+		return (OK);
+	}
+	return (ERR);
+}

lib/libcurses/clrtobot.c

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)clrtobot.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * wclrtobot --
+ *	Erase everything on the window.
+ */
+int
+wclrtobot(win)
+	register WINDOW *win;
+{
+	register int minx, startx, starty, y;
+	register __LDATA *sp, *end, *maxx;
+
+	if (win->lines[win->cury]->flags & __ISPASTEOL) {
+		starty = win->cury + 1;
+		startx = 0;
+	} else {
+		starty = win->cury;
+		startx = win->curx;
+	}
+	for (y = starty; y < win->maxy; y++) {
+		minx = -1;
+		end = &win->lines[y]->line[win->maxx];
+		for (sp = &win->lines[y]->line[startx]; sp < end; sp++)
+			if (sp->ch != ' ' || sp->attr != 0) {
+				maxx = sp;
+				if (minx == -1)
+					minx = sp - win->lines[y]->line;
+				sp->ch = ' ';
+				sp->attr = 0;
+			}
+		if (minx != -1)
+			__touchline(win, y, minx, maxx - win->lines[y]->line,
+		            0);
+		startx = 0;
+	}
+	return (OK);
+}

lib/libcurses/clrtoeol.c

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)clrtoeol.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * wclrtoeol --
+ *	Clear up to the end of line.
+ */
+int
+wclrtoeol(win)
+	register WINDOW *win;
+{
+	register int minx, x, y;
+	register __LDATA *end, *maxx, *sp;
+
+	y = win->cury;
+	x = win->curx;
+	if (win->lines[y]->flags & __ISPASTEOL) {
+		if (y < win->maxy - 1) {
+			y++;
+			x = 0;
+		} else
+			return (OK);
+	}
+	end = &win->lines[y]->line[win->maxx];
+	minx = -1;
+	maxx = &win->lines[y]->line[x];
+	for (sp = maxx; sp < end; sp++)
+		if (sp->ch != ' ' || sp->attr != 0) {
+			maxx = sp;
+			if (minx == -1)
+				minx = sp - win->lines[y]->line;
+			sp->ch = ' ';
+			sp->attr = 0;
+		}
+#ifdef DEBUG
+	__CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n",
+	    minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp, 
+	    *win->lines[y]->lastchp);
+#endif
+	/* Update firstch and lastch for the line. */
+	return (__touchline(win, y, x, win->maxx - 1, 0));
+}
+
+
+
+
+

lib/libcurses/cr_put.c

@@ -0,0 +1,432 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)cr_put.c	8.3 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+#define	HARDTABS	8
+
+/*
+ * Terminal driving and line formatting routines.  Basic motion optimizations
+ * are done here as well as formatting lines (printing of control characters,
+ * line numbering and the like).
+ */
+
+/* Stub function for the users. */
+int
+mvcur(ly, lx, y, x)
+	int ly, lx, y, x;
+{
+	return (__mvcur(ly, lx, y, x, 0));
+}
+
+static void	fgoto __P((int));
+static int	plod __P((int, int));
+static void	plodput __P((int));
+static int	tabcol __P((int, int));
+
+static int outcol, outline, destcol, destline;
+
+/*
+ * Sync the position of the output cursor.  Most work here is rounding for
+ * terminal boundaries getting the column position implied by wraparound or
+ * the lack thereof and rolling up the screen to get destline on the screen.
+ */
+int
+__mvcur(ly, lx, y, x, in_refresh)
+	int ly, lx, y, x, in_refresh;
+{
+#ifdef DEBUG
+	__CTRACE("mvcur: moving cursor from (%d, %d) to (%d, %d)\n",
+	    ly, lx, y, x);
+#endif
+	destcol = x;
+	destline = y;
+	outcol = lx;
+	outline = ly;
+	fgoto(in_refresh);
+	return (OK);
+}	
+        
+static void
+fgoto(in_refresh)
+	int in_refresh;
+{
+	register int c, l;
+	register char *cgp;
+
+	if (destcol >= COLS) {
+		destline += destcol / COLS;
+		destcol %= COLS;
+	}
+	if (outcol >= COLS) {
+		l = (outcol + 1) / COLS;
+		outline += l;
+		outcol %= COLS;
+		if (AM == 0) {
+			while (l > 0) {
+				if (__pfast)
+					if (CR)
+						tputs(CR, 0, __cputchar);
+					else
+						putchar('\r');
+				if (NL)
+					tputs(NL, 0, __cputchar);
+				else
+					putchar('\n');
+				l--;
+			}
+			outcol = 0;
+		}
+		if (outline > LINES - 1) {
+			destline -= outline - (LINES - 1);
+			outline = LINES - 1;
+		}
+	}
+	if (destline >= LINES) {
+		l = destline;
+		destline = LINES - 1;
+		if (outline < LINES - 1) {
+			c = destcol;
+			if (__pfast == 0 && !CA)
+				destcol = 0;
+			fgoto(in_refresh);
+			destcol = c;
+		}
+		while (l >= LINES) {
+			/* The following linefeed (or simulation thereof) is
+			 * supposed to scroll up the screen, since we are on
+			 * the bottom line.  We make the assumption that
+			 * linefeed will scroll.  If ns is in the capability
+			 * list this won't work.  We should probably have an
+			 * sc capability but sf will generally take the place
+			 * if it works.
+			 * 
+			 * Superbee glitch: in the middle of the screen have
+			 * to use esc B (down) because linefeed screws up in
+			 * "Efficient Paging" (what a joke) mode (which is
+			 * essential in some SB's because CRLF mode puts
+			 * garbage in at end of memory), but you must use
+			 * linefeed to scroll since down arrow won't go past
+			 * memory end. I turned this off after recieving Paul
+			 * Eggert's Superbee description which wins better.
+			 */
+			if (NL /* && !XB */ && __pfast)
+				tputs(NL, 0, __cputchar);
+			else
+				putchar('\n');
+			l--;
+			if (__pfast == 0)
+				outcol = 0;
+		}
+	}
+	if (destline < outline && !(CA || UP))
+		destline = outline;
+	if (CA) {
+		cgp = tgoto(CM, destcol, destline);
+
+		/*
+		 * Need this condition due to inconsistent behavior
+		 * of backspace on the last column.
+		 */
+		if (outcol != COLS - 1 && plod(strlen(cgp), in_refresh) > 0)
+			plod(0, in_refresh);
+		else 
+			tputs(cgp, 0, __cputchar);
+	} else
+		plod(0, in_refresh);
+	outline = destline;
+	outcol = destcol;
+}
+/*
+ * Move (slowly) to destination.
+ * Hard thing here is using home cursor on really deficient terminals.
+ * Otherwise just use cursor motions, hacking use of tabs and overtabbing
+ * and backspace.
+ */
+
+static int plodcnt, plodflg;
+
+static void
+plodput(c)
+	int c;
+{
+	if (plodflg)
+		--plodcnt;
+	else
+		putchar(c);
+}
+
+static int
+plod(cnt, in_refresh)
+	int cnt, in_refresh;
+{
+	register int i, j, k, soutcol, soutline;
+
+	plodcnt = plodflg = cnt;
+	soutcol = outcol;
+	soutline = outline;
+	/*
+	 * Consider homing and moving down/right from there, vs. moving
+	 * directly with local motions to the right spot.
+	 */
+	if (HO) {
+		/*
+		 * i is the cost to home and tab/space to the right to get to
+		 * the proper column.  This assumes ND space costs 1 char.  So
+		 * i + destcol is cost of motion with home.
+		 */
+		if (GT)
+			i = (destcol / HARDTABS) + (destcol % HARDTABS);
+		else
+			i = destcol;
+
+		/* j is cost to move locally without homing. */
+		if (destcol >= outcol) {	/* if motion is to the right */
+			j = destcol / HARDTABS - outcol / HARDTABS;
+			if (GT && j)
+				j += destcol % HARDTABS;
+			else
+				j = destcol - outcol;
+		} else
+			/* leftward motion only works if we can backspace. */
+			if (outcol - destcol <= i && (BS || BC))
+				/* Cheaper to backspace. */
+				i = j = outcol - destcol;
+			else
+				/* Impossibly expensive. */
+				j = i + 1;
+
+		/* k is the absolute value of vertical distance. */
+		k = outline - destline;
+		if (k < 0)
+			k = -k;
+		j += k;
+
+		/* Decision.  We may not have a choice if no UP. */
+		if (i + destline < j || (!UP && destline < outline)) {
+			/*
+			 * Cheaper to home.  Do it now and pretend it's a
+			 * regular local motion.
+			 */
+			tputs(HO, 0, plodput);
+			outcol = outline = 0;
+		} else if (LL) {
+			/*
+			 * Quickly consider homing down and moving from there.
+			 * Assume cost of LL is 2.
+			 */
+			k = (LINES - 1) - destline;
+			if (i + k + 2 < j && (k <= 0 || UP)) {
+				tputs(LL, 0, plodput);
+				outcol = 0;
+				outline = LINES - 1;
+			}
+		}
+	} else
+		/* No home and no up means it's impossible. */
+		if (!UP && destline < outline)
+			return (-1);
+	if (GT)
+		i = destcol % HARDTABS + destcol / HARDTABS;
+	else
+		i = destcol;
+#ifdef notdef
+	if (BT && outcol > destcol &&
+	    (j = (((outcol+7) & ~7) - destcol - 1) >> 3)) {
+		j *= (k = strlen(BT));
+		if ((k += (destcol&7)) > 4)
+			j += 8 - (destcol&7);
+		else
+			j += k;
+	}
+	else
+#endif
+		j = outcol - destcol;
+
+	/*
+	 * If we will later need a \n which will turn into a \r\n by the
+	 * system or the terminal, then don't bother to try to \r.
+	 */
+	if ((NONL || !__pfast) && outline < destline)
+		goto dontcr;
+
+	/*
+	 * If the terminal will do a \r\n and there isn't room for it, then
+	 * we can't afford a \r.
+	 */
+	if (NC && outline >= destline)
+		goto dontcr;
+
+	/*
+	 * If it will be cheaper, or if we can't back up, then send a return
+	 * preliminarily.
+	 */
+	if (j > i + 1 || outcol > destcol && !BS && !BC) {
+		/*
+		 * BUG: this doesn't take the (possibly long) length of CR
+		 * into account.
+		 */
+		if (CR)
+			tputs(CR, 0, plodput);
+		else
+			plodput('\r');
+		if (NC) {
+			if (NL)
+				tputs(NL, 0, plodput);
+			else
+				plodput('\n');
+			outline++;
+		}
+		outcol = 0;
+	}
+
+dontcr:	while (outline < destline) {
+		outline++;
+		if (NL)
+			tputs(NL, 0, plodput);
+		else
+			plodput('\n');
+		if (plodcnt < 0)
+			goto out;
+		if (NONL || __pfast == 0)
+			outcol = 0;
+	}
+	if (BT)
+		k = strlen(BT);
+	while (outcol > destcol) {
+		if (plodcnt < 0)
+			goto out;
+#ifdef notdef
+		if (BT && outcol - destcol > k + 4) {
+			tputs(BT, 0, plodput);
+			outcol--;
+			outcol &= ~7;
+			continue;
+		}
+#endif
+		outcol--;
+		if (BC)
+			tputs(BC, 0, plodput);
+		else
+			plodput('\b');
+	}
+	while (outline > destline) {
+		outline--;
+		tputs(UP, 0, plodput);
+		if (plodcnt < 0)
+			goto out;
+	}
+	if (GT && destcol - outcol > 1) {
+		for (;;) {
+			i = tabcol(outcol, HARDTABS);
+			if (i > destcol)
+				break;
+			if (TA)
+				tputs(TA, 0, plodput);
+			else
+				plodput('\t');
+			outcol = i;
+		}
+		if (destcol - outcol > 4 && i < COLS && (BC || BS)) {
+			if (TA)
+				tputs(TA, 0, plodput);
+			else
+				plodput('\t');
+			outcol = i;
+			while (outcol > destcol) {
+				outcol--;
+				if (BC)
+					tputs(BC, 0, plodput);
+				else
+					plodput('\b');
+			}
+		}
+	}
+	while (outcol < destcol) {
+		/*
+		 * Move one char to the right.  We don't use ND space because
+		 * it's better to just print the char we are moving over.
+		 */
+		if (in_refresh)
+			if (plodflg)	/* Avoid a complex calculation. */
+				plodcnt--;
+			else {
+				i = curscr->lines[outline]->line[outcol].ch;
+				if ((curscr->lines[outline]->line[outcol].attr
+				     & __STANDOUT) ==
+				    (curscr->flags & __WSTANDOUT))
+					putchar(i);
+				else
+					goto nondes;
+			}
+		else
+nondes:			if (ND)
+				tputs(ND, 0, plodput);
+			else
+				plodput(' ');
+		outcol++;
+		if (plodcnt < 0)
+			goto out;
+	}
+
+out:	if (plodflg) {
+		outcol = soutcol;
+		outline = soutline;
+	}
+	return (plodcnt);
+}
+
+/*
+ * Return the column number that results from being in column col and
+ * hitting a tab, where tabs are set every ts columns.  Work right for
+ * the case where col > COLS, even if ts does not divide COLS.
+ */
+static int
+tabcol(col, ts)
+	int col, ts;
+{
+	int offset;
+
+	if (col >= COLS) {
+		offset = COLS * (col / COLS);
+		col -= offset;
+	} else
+		offset = 0;
+	return (col + ts - (col % ts) + offset);
+}

lib/libcurses/curses.c

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)curses.c	8.3 (Berkeley) 5/4/94";
+#endif /* not lint */
+
+#include "curses.h"
+
+/* Private. */
+int	__echoit = 1;			/* If stty indicates ECHO. */
+int	__pfast;
+int	__rawmode = 0;			/* If stty indicates RAW mode. */
+int	__noqch = 0;			/* 
+					 * If terminal doesn't have 
+					 * insert/delete line capabilities 
+					 * for quick change on refresh.
+					 */
+char	AM, BS, CA, DA, EO, HC, IN, MI, MS, NC, NS, OS, PC,
+	UL, XB, XN, XT, XS, XX;
+char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
+	*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
+	*K7, *K8, *K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL,
+	*KR, *KS, *KU, *LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF,
+	*SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB, *VS,
+	*VE, *al, *dl, *sf, *sr,
+	*AL_PARM, *DL_PARM, *UP_PARM, *DOWN_PARM, *LEFT_PARM,
+	*RIGHT_PARM;
+/*
+ * Public.
+ *
+ * XXX
+ * UPPERCASE isn't used by libcurses, and is left for backward
+ * compatibility only.
+ */
+WINDOW	*curscr;			/* Current screen. */
+WINDOW	*stdscr;			/* Standard screen. */
+int	 COLS;				/* Columns on the screen. */
+int	 LINES;				/* Lines on the screen. */
+int	 My_term = 0;			/* Use Def_term regardless. */
+char	*Def_term = "unknown";		/* Default terminal type. */
+char	 GT;				/* Gtty indicates tabs. */
+char	 NONL;				/* Term can't hack LF doing a CR. */
+char	 UPPERCASE;			/* Terminal is uppercase only. */

lib/libcurses/curses.h

@@ -0,0 +1,336 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)curses.h	8.5 (Berkeley) 4/29/95
+ */
+
+#ifndef _CURSES_H_
+#define	_CURSES_H_
+
+#include <stdio.h>
+
+/*
+ * The following #defines and #includes are present for backward
+ * compatibility only.  They should not be used in future code.
+ *
+ * START BACKWARD COMPATIBILITY ONLY.
+ */
+#ifndef _CURSES_PRIVATE
+#ifndef __cplusplus
+#define	bool	char
+#endif
+#define	reg	register
+
+#ifndef TRUE
+#define	TRUE	(1)
+#endif
+#ifndef FALSE
+#define	FALSE	(0)
+#endif
+
+#define	_puts(s)	tputs(s, 0, __cputchar)
+#define	_putchar(c)	__cputchar(c)
+
+/* Old-style terminal modes access. */
+#define	baudrate()	(cfgetospeed(&__baset))
+#define	crmode()	cbreak()
+#define	erasechar()	(__baset.c_cc[VERASE])
+#define	killchar()	(__baset.c_cc[VKILL])
+#define	nocrmode()	nocbreak()
+#define	ospeed		(cfgetospeed(&__baset))
+#endif /* _CURSES_PRIVATE */
+
+extern char	 GT;			/* Gtty indicates tabs. */
+extern char	 NONL;			/* Term can't hack LF doing a CR. */
+extern char	 UPPERCASE;		/* Terminal is uppercase only. */
+
+extern int	 My_term;		/* Use Def_term regardless. */
+extern char	*Def_term;		/* Default terminal type. */
+
+/* Termcap capabilities. */
+extern char	AM, BS, CA, DA, EO, HC, IN, MI, MS, NC, NS, OS,
+		PC, UL, XB, XN, XT, XS, XX;
+extern char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
+		*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
+		*K7, *K8, *K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL,
+		*KR, *KS, *KU, *LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF,
+		*SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB, *VS,
+		*VE, *al, *dl, *sf, *sr,
+		*AL_PARM, *DL_PARM, *UP_PARM, *DOWN_PARM, *LEFT_PARM,
+		*RIGHT_PARM;
+
+/* END BACKWARD COMPATIBILITY ONLY. */
+
+/* 8-bit ASCII characters. */
+#define	unctrl(c)		__unctrl[(c) & 0xff]
+#define	unctrllen(ch)		__unctrllen[(ch) & 0xff]
+
+extern char	*__unctrl[256];	/* Control strings. */
+extern char	 __unctrllen[256];	/* Control strings length. */
+
+/*
+ * A window an array of __LINE structures pointed to by the 'lines' pointer.
+ * A line is an array of __LDATA structures pointed to by the 'line' pointer.
+ *
+ * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new
+ * fields are added -- padding fields with *constant values* should ensure 
+ * that the compiler will not generate any padding when storing an array of
+ *  __LDATA structures.  This is to enable consistent use of memcmp, and memcpy
+ * for comparing and copying arrays.
+ */
+typedef struct {
+	char ch;			/* the actual character */
+
+#define	__STANDOUT	0x01  		/* Added characters are standout. */
+	char attr;			/* attributes of character */
+} __LDATA;
+
+#define __LDATASIZE	(sizeof(__LDATA))
+
+typedef struct {
+#define	__ISDIRTY	0x01		/* Line is dirty. */
+#define __ISPASTEOL	0x02		/* Cursor is past end of line */
+#define __FORCEPAINT	0x04		/* Force a repaint of the line */
+	u_int flags;
+	u_int hash;			/* Hash value for the line. */
+	size_t *firstchp, *lastchp;	/* First and last chngd columns ptrs */
+	size_t firstch, lastch;		/* First and last changed columns. */
+	__LDATA *line;			/* Pointer to the line text. */
+} __LINE;
+
+typedef struct __window {		/* Window structure. */
+	struct __window	*nextp, *orig;	/* Subwindows list and parent. */
+	size_t begy, begx;		/* Window home. */
+	size_t cury, curx;		/* Current x, y coordinates. */
+	size_t maxy, maxx;		/* Maximum values for curx, cury. */
+	short ch_off;			/* x offset for firstch/lastch. */
+	__LINE **lines;			/* Array of pointers to the lines */
+	__LINE  *lspace;		/* line space (for cleanup) */
+	__LDATA *wspace;		/* window space (for cleanup) */
+
+#define	__ENDLINE	0x001		/* End of screen. */
+#define	__FLUSH		0x002		/* Fflush(stdout) after refresh. */
+#define	__FULLWIN	0x004		/* Window is a screen. */
+#define	__IDLINE	0x008		/* Insert/delete sequences. */
+#define	__SCROLLWIN	0x010		/* Last char will scroll window. */
+#define	__SCROLLOK	0x020		/* Scrolling ok. */
+#define	__CLEAROK	0x040		/* Clear on next refresh. */
+#define __WSTANDOUT	0x080		/* Standout window */
+#define __LEAVEOK	0x100		/* If curser left */	
+	u_int flags;
+} WINDOW;
+
+/* Curses external declarations. */
+extern WINDOW	*curscr;		/* Current screen. */
+extern WINDOW	*stdscr;		/* Standard screen. */
+
+extern struct termios __orig_termios;	/* Terminal state before curses */
+extern struct termios __baset;		/* Our base terminal state */
+extern int __tcaction;			/* If terminal hardware set. */
+
+extern int	 COLS;			/* Columns on the screen. */
+extern int	 LINES;			/* Lines on the screen. */
+
+extern char	*ttytype;		/* Full name of current terminal. */
+
+#define	ERR	(0)			/* Error return. */
+#define	OK	(1)			/* Success return. */
+
+/* Standard screen pseudo functions. */
+#define	addbytes(s, n)			__waddbytes(stdscr, s, n, 0)
+#define	addch(ch)			waddch(stdscr, ch)
+#define	addnstr(s, n)			waddnstr(stdscr, s, n)
+#define	addstr(s)			__waddbytes(stdscr, s, strlen(s), 0)
+#define	clear()				wclear(stdscr)
+#define	clrtobot()			wclrtobot(stdscr)
+#define	clrtoeol()			wclrtoeol(stdscr)
+#define	delch()				wdelch(stdscr)
+#define	deleteln()			wdeleteln(stdscr)
+#define	erase()				werase(stdscr)
+#define	getch()				wgetch(stdscr)
+#define	getstr(s)			wgetstr(stdscr, s)
+#define	inch()				winch(stdscr)
+#define	insch(ch)			winsch(stdscr, ch)
+#define	insertln()			winsertln(stdscr)
+#define	move(y, x)			wmove(stdscr, y, x)
+#define	refresh()			wrefresh(stdscr)
+#define	standend()			wstandend(stdscr)
+#define	standout()			wstandout(stdscr)
+#define	waddbytes(w, s, n)		__waddbytes(w, s, n, 0)
+#define	waddstr(w, s)			__waddbytes(w, s, strlen(s), 0)
+
+/* Standard screen plus movement pseudo functions. */
+#define	mvaddbytes(y, x, s, n)		mvwaddbytes(stdscr, y, x, s, n)
+#define	mvaddch(y, x, ch)		mvwaddch(stdscr, y, x, ch)
+#define	mvaddnstr(y, x, s, n)		mvwaddnstr(stdscr, y, x, s, n)
+#define	mvaddstr(y, x, s)		mvwaddstr(stdscr, y, x, s)
+#define	mvdelch(y, x)			mvwdelch(stdscr, y, x)
+#define	mvgetch(y, x)			mvwgetch(stdscr, y, x)
+#define	mvgetstr(y, x, s)		mvwgetstr(stdscr, y, x, s)
+#define	mvinch(y, x)			mvwinch(stdscr, y, x)
+#define	mvinsch(y, x, c)		mvwinsch(stdscr, y, x, c)
+#define	mvwaddbytes(w, y, x, s, n) \
+	(wmove(w, y, x) == ERR ? ERR : __waddbytes(w, s, n, 0))
+#define	mvwaddch(w, y, x, ch) \
+	(wmove(w, y, x) == ERR ? ERR : waddch(w, ch))
+#define	mvwaddnstr(w, y, x, s, n) \
+	(wmove(w, y, x) == ERR ? ERR : waddnstr(w, s, n))
+#define	mvwaddstr(w, y, x, s) \
+	(wmove(w, y, x) == ERR ? ERR : __waddbytes(w, s, strlen(s), 0))
+#define	mvwdelch(w, y, x) \
+	(wmove(w, y, x) == ERR ? ERR : wdelch(w))
+#define	mvwgetch(w, y, x) \
+	(wmove(w, y, x) == ERR ? ERR : wgetch(w))
+#define	mvwgetstr(w, y, x, s) \
+	(wmove(w, y, x) == ERR ? ERR : wgetstr(w, s))
+#define	mvwinch(w, y, x) \
+	(wmove(w, y, x) == ERR ? ERR : winch(w))
+#define	mvwinsch(w, y, x, c) \
+	(wmove(w, y, x) == ERR ? ERR : winsch(w, c))
+
+/* Psuedo functions. */
+#define	clearok(w, bf) \
+	((bf) ? ((w)->flags |= __CLEAROK) : ((w)->flags &= ~__CLEAROK))
+#define	flushok(w, bf) \
+	((bf) ? ((w)->flags |= __FLUSH) : ((w)->flags &= ~__FLUSH))
+#define	getyx(w, y, x) \
+	(y) = (w)->cury, (x) = (w)->curx
+#define	leaveok(w, bf) \
+	((bf) ? ((w)->flags |= __LEAVEOK) : ((w)->flags &= ~__LEAVEOK))
+#define	scrollok(w, bf) \
+	((bf) ? ((w)->flags |= __SCROLLOK) : ((w)->flags &= ~__SCROLLOK))
+#define	winch(w) \
+	((w)->lines[(w)->cury]->line[(w)->curx].ch & 0177)
+
+/* Public function prototypes. */
+int	 box __P((WINDOW *, int, int));
+int	 cbreak __P((void));
+int	 delwin __P((WINDOW *));
+int	 echo __P((void));
+int	 endwin __P((void));
+char	*fullname __P((char *, char *));
+char	*getcap __P((char *));
+int	 gettmode __P((void));
+void	 idlok __P((WINDOW *, int));
+WINDOW	*initscr __P((void));
+char	*longname __P((char *, char *));
+int	 mvcur __P((int, int, int, int));
+int	 mvprintw __P((int, int, const char *, ...));
+int	 mvscanw __P((int, int, const char *, ...));
+int	 mvwin __P((WINDOW *, int, int));
+int	 mvwprintw __P((WINDOW *, int, int, const char *, ...));
+int	 mvwscanw __P((WINDOW *, int, int, const char *, ...));
+WINDOW	*newwin __P((int, int, int, int));
+int	 nl __P((void));
+int	 nocbreak __P((void));
+int	 noecho __P((void));
+int	 nonl __P((void));
+int	 noraw __P((void));
+int	 overlay __P((WINDOW *, WINDOW *));
+int	 overwrite __P((WINDOW *, WINDOW *));
+int	 printw __P((const char *, ...));
+int	 raw __P((void));
+int	 resetty __P((void));
+int	 savetty __P((void));
+int	 scanw __P((const char *, ...));
+int	 scroll __P((WINDOW *));
+int	 setterm __P((char *));
+int	 sscans __P((WINDOW *, const char *, ...));
+WINDOW	*subwin __P((WINDOW *, int, int, int, int));
+int	 suspendwin __P((void));
+int	 touchline __P((WINDOW *, int, int, int));
+int	 touchoverlap __P((WINDOW *, WINDOW *));
+int	 touchwin __P((WINDOW *));
+int 	 vwprintw __P((WINDOW *, const char *, _BSD_VA_LIST_));
+int      vwscanw __P((WINDOW *, const char *, _BSD_VA_LIST_));
+int	 waddch __P((WINDOW *, int));
+int	 waddnstr __P((WINDOW *, const char *, int));
+int	 wclear __P((WINDOW *));
+int	 wclrtobot __P((WINDOW *));
+int	 wclrtoeol __P((WINDOW *));
+int	 wdelch __P((WINDOW *));
+int	 wdeleteln __P((WINDOW *));
+int	 werase __P((WINDOW *));
+int	 wgetch __P((WINDOW *));
+int	 wgetstr __P((WINDOW *, char *));
+int	 winsch __P((WINDOW *, int));
+int	 winsertln __P((WINDOW *));
+int	 wmove __P((WINDOW *, int, int));
+int	 wprintw __P((WINDOW *, const char *, ...));
+int	 wrefresh __P((WINDOW *));
+int	 wscanw __P((WINDOW *, const char *, ...));
+int	 wstandend __P((WINDOW *));
+int	 wstandout __P((WINDOW *));
+int	 vwprintw __P((WINDOW *, const char *, _BSD_VA_LIST_));
+
+/* Private functions that are needed for user programs prototypes. */
+void	 __cputchar __P((int));
+int	 __waddbytes __P((WINDOW *, const char *, int, int));
+
+/* Private functions. */
+#ifdef _CURSES_PRIVATE
+void	 __CTRACE __P((const char *, ...));
+u_int	 __hash __P((char *, int));
+void	 __id_subwins __P((WINDOW *));
+int	 __mvcur __P((int, int, int, int, int));
+void	 __restore_stophandler __P((void));
+void	 __set_stophandler __P((void));
+void	 __set_subwin __P((WINDOW *, WINDOW *));
+void	 __startwin __P((void));
+void	 __stop_signal_handler __P((int));
+void	 __swflags __P((WINDOW *));
+int	 __touchline __P((WINDOW *, int, int, int, int));
+int	 __touchwin __P((WINDOW *));
+char	*__tscroll __P((const char *, int, int));
+int	 __waddch __P((WINDOW *, __LDATA *));
+
+/* Private #defines. */
+#define	min(a,b)	(a < b ? a : b)
+#define	max(a,b)	(a > b ? a : b)
+
+/* Private externs. */
+extern int	 __echoit;
+extern int	 __endwin;
+extern int	 __pfast;
+extern int	 __rawmode;
+extern int	 __noqch;
+#endif
+
+/* Termcap functions. */
+int	 tgetent __P((char *, char *));
+int	 tgetnum __P((char *));
+int	 tgetflag __P((char *));
+char	*tgetstr __P((char *, char **));
+char	*tgoto __P((char *, int, int));
+int	 tputs __P((char *, int, void (*)(int)));
+
+#endif /* !_CURSES_H_ */

lib/libcurses/delch.c

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)delch.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+/*
+ * wdelch --
+ *	Do an insert-char on the line, leaving (cury, curx) unchanged.
+ */
+int
+wdelch(win)
+	register WINDOW *win;
+{
+	register __LDATA *end, *temp1, *temp2;
+
+	end = &win->lines[win->cury]->line[win->maxx - 1];
+	temp1 = &win->lines[win->cury]->line[win->curx];
+	temp2 = temp1 + 1;
+	while (temp1 < end) {
+		(void)memcpy(temp1, temp2, sizeof(__LDATA));
+		temp1++, temp2++;
+	}
+	temp1->ch = ' ';
+	temp1->attr = 0;
+	__touchline(win, win->cury, win->curx, win->maxx - 1, 0);
+	return (OK);
+}

lib/libcurses/deleteln.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)deleteln.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+/*
+ * wdeleteln --
+ *	Delete a line from the screen.  It leaves (cury, curx) unchanged.
+ */
+int
+wdeleteln(win)
+	register WINDOW *win;
+{
+	register int y, i;
+	register __LINE *temp;
+
+#ifdef DEBUG
+	__CTRACE("deleteln: (%0.2o)\n", win);
+#endif
+	temp = win->lines[win->cury];
+	for (y = win->cury; y < win->maxy - 1; y++) {
+		win->lines[y]->flags &= ~__ISPASTEOL;
+		win->lines[y + 1]->flags &= ~__ISPASTEOL;
+		if (win->orig == NULL)
+			win->lines[y] = win->lines[y + 1];
+		else
+			(void) memcpy(win->lines[y]->line, 
+			    win->lines[y + 1]->line, 
+			    win->maxx * __LDATASIZE);
+		__touchline(win, y, 0, win->maxx - 1, 0);
+	}
+
+	if (win->orig == NULL)
+		win->lines[y] = temp;
+	else
+		temp = win->lines[y];
+
+	for(i = 0; i < win->maxx; i++) {
+		temp->line[i].ch = ' ';
+		temp->line[i].attr = 0;
+	}
+	__touchline(win, y, 0, win->maxx - 1, 0);
+	if (win->orig == NULL)
+		__id_subwins(win);
+	return (OK);
+}

lib/libcurses/delwin.c

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)delwin.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <stdlib.h>
+
+#include "curses.h"
+
+/*
+ * delwin --
+ *	Delete a window and release it back to the system.
+ */
+int
+delwin(win)
+	register WINDOW *win;
+{
+
+	register WINDOW *wp, *np;
+
+	if (win->orig == NULL) {
+		/*
+		 * If we are the original window, delete the space for all
+		 * the subwindows, the line space and the window space.
+		 */
+		free(win->lspace);
+		free(win->wspace);
+		free(win->lines);
+		wp = win->nextp;
+		while (wp != win) {
+			np = wp->nextp;
+			delwin(wp);
+			wp = np;
+		}
+	} else {
+		/*
+		 * If we are a subwindow, take ourselves out of the list.
+		 * NOTE: if we are a subwindow, the minimum list is orig
+		 * followed by this subwindow, so there are always at least
+		 * two windows in the list.
+		 */
+		for (wp = win->nextp; wp->nextp != win; wp = wp->nextp)
+			continue;
+		wp->nextp = win->nextp;
+	}
+	free(win);
+	return (OK);
+}

lib/libcurses/erase.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)erase.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * werase --
+ *	Erases everything on the window.
+ */
+int
+werase(win)
+	register WINDOW *win;
+{
+
+	register int minx, y;
+	register __LDATA *sp, *end, *start, *maxx;
+
+#ifdef DEBUG
+	__CTRACE("werase: (%0.2o)\n", win);
+#endif
+	for (y = 0; y < win->maxy; y++) {
+		minx = -1;
+		start = win->lines[y]->line;
+		end = &start[win->maxx];
+		for (sp = start; sp < end; sp++)
+			if (sp->ch != ' ' || sp->attr != 0) {
+				maxx = sp; 
+				if (minx == -1)
+					minx = sp - start;
+				sp->ch = ' ';
+				sp->attr = 0;
+			}
+		if (minx != -1)
+			__touchline(win, y, minx, maxx - win->lines[y]->line,
+			   0);
+	}
+	return (OK);
+}

lib/libcurses/getch.c

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)getch.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * wgetch --
+ *	Read in a character from the window.
+ */
+int
+wgetch(win)
+	register WINDOW *win;
+{
+	register int inp, weset;
+
+	if (!(win->flags & __SCROLLOK) && (win->flags & __FULLWIN)
+	    && win->curx == win->maxx - 1 && win->cury == win->maxy - 1)
+		return (ERR);
+#ifdef DEBUG
+	__CTRACE("wgetch: __echoit = %d, __rawmode = %d\n",
+	    __echoit, __rawmode);
+#endif
+	if (__echoit && !__rawmode) {
+		cbreak();
+		weset = 1;
+	} else
+		weset = 0;
+
+	inp = getchar();
+#ifdef DEBUG
+	__CTRACE("wgetch got '%s'\n", unctrl(inp));
+#endif
+	if (__echoit) {
+		mvwaddch(curscr,
+		    win->cury + win->begy, win->curx + win->begx, inp);
+		waddch(win, inp);
+	}
+	if (weset)
+		nocbreak();
+	return (inp);
+}

lib/libcurses/getstr.c

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)getstr.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * wgetstr --
+ *	Get a string starting at (cury, curx).
+ */
+int
+wgetstr(win, str)
+	register WINDOW *win;
+	register char *str;
+{
+	while ((*str = wgetch(win)) != ERR && *str != '\n')
+		str++;
+	if (*str == ERR) {
+		*str = '\0';
+		return (ERR);
+	}
+	*str = '\0';
+	return (OK);
+}

lib/libcurses/id_subwins.c

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)id_subwins.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * __id_subwins --
+ *	Re-sync the pointers to lines for all the subwindows.
+ */
+void
+__id_subwins(orig)
+	register WINDOW *orig;
+{
+	register WINDOW *win;
+	register int oy, realy, y;
+
+	realy = orig->begy + orig->cury;
+	for (win = orig->nextp; win != orig; win = win->nextp) {
+		/*
+		 * If the window ends before our current position, don't need
+		 * to do anything.
+		 */
+		if (win->begy + win->maxy <= realy)
+			continue;
+
+		oy = orig->cury;
+		for (y = realy - win->begy; y < win->maxy; y++, oy++)
+			win->lines[y]->line = 
+				&orig->lines[oy]->line[win->ch_off];
+	}
+}

lib/libcurses/idlok.c

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)idlok.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * idlok --
+ *	Turn on and off using insert/deleteln sequences for the
+ *	given window.
+ */
+void
+idlok(win, bf)
+	WINDOW *win;
+	int bf;
+{
+	if (bf)
+		win->flags |= __IDLINE;
+	else
+		win->flags &= ~__IDLINE;
+}

lib/libcurses/initscr.c

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)initscr.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <signal.h>
+#include <stdlib.h>
+
+#include "curses.h"
+
+/*
+ * initscr --
+ *	Initialize the current and standard screen.
+ */
+WINDOW *
+initscr()
+{
+	register char *sp;
+
+#ifdef DEBUG
+	__CTRACE("initscr\n");
+#endif
+	__echoit = 1;
+        __pfast = __rawmode = __noqch = 0;
+
+	if (gettmode() == ERR)
+		return (NULL);
+
+	/*
+	 * If My_term is set, or can't find a terminal in the environment,
+	 * use Def_term.
+	 */
+	if (My_term || (sp = getenv("TERM")) == NULL)
+		sp = Def_term;
+	if (setterm(sp) == ERR)
+		return (NULL);
+
+	/* Need either homing or cursor motion for refreshes */
+	if (!HO && !CM) 
+		return (NULL);
+
+	if (curscr != NULL)
+		delwin(curscr);
+	if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
+		return (NULL);
+	clearok(curscr, 1);
+
+	if (stdscr != NULL)
+		delwin(stdscr);
+	if ((stdscr = newwin(LINES, COLS, 0, 0)) == ERR) {
+		delwin(curscr);
+		return (NULL);
+	}
+
+	__set_stophandler();
+
+#ifdef DEBUG
+	__CTRACE("initscr: LINES = %d, COLS = %d\n", LINES, COLS);
+#endif
+	__startwin();
+
+	return (stdscr);
+}

lib/libcurses/insch.c

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)insch.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+/*
+ * winsch --
+ *	Do an insert-char on the line, leaving (cury, curx) unchanged.
+ */
+int
+winsch(win, ch)
+	register WINDOW *win;
+	int ch;
+{
+
+	register __LDATA *end, *temp1, *temp2;
+
+	end = &win->lines[win->cury]->line[win->curx];
+	temp1 = &win->lines[win->cury]->line[win->maxx - 1];
+	temp2 = temp1 - 1;
+	while (temp1 > end) {
+		(void)memcpy(temp1, temp2, sizeof(__LDATA));
+		temp1--, temp2--;
+	}
+	temp1->ch = ch;
+	temp1->attr &= ~__STANDOUT;
+	__touchline(win, win->cury, win->curx, win->maxx - 1, 0);
+	if (win->cury == LINES - 1 && 
+	    (win->lines[LINES - 1]->line[COLS - 1].ch != ' ' ||
+	    win->lines[LINES -1]->line[COLS - 1].attr != 0))
+		if (win->flags & __SCROLLOK) {
+			wrefresh(win);
+			scroll(win);
+			win->cury--;
+		} else
+			return (ERR);
+	return (OK);
+}

lib/libcurses/insertln.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)insertln.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+/*
+ * winsertln --
+ *	Do an insert-line on the window, leaving (cury, curx) unchanged.
+ */
+int
+winsertln(win)
+	register WINDOW *win;
+{
+
+	register int y, i;
+	register __LINE *temp;
+
+#ifdef DEBUG
+	__CTRACE("insertln: (%0.2o)\n", win);
+#endif
+	if (win->orig == NULL)
+		temp = win->lines[win->maxy - 1];
+	for (y = win->maxy - 1; y > win->cury; --y) {
+		win->lines[y]->flags &= ~__ISPASTEOL;
+		win->lines[y - 1]->flags &= ~__ISPASTEOL;
+		if (win->orig == NULL)
+			win->lines[y] = win->lines[y - 1];
+		else
+			(void)memcpy(win->lines[y]->line, 
+			    win->lines[y - 1]->line, 
+			    win->maxx * __LDATASIZE);
+		__touchline(win, y, 0, win->maxx - 1, 0);
+	}
+	if (win->orig == NULL)
+		win->lines[y] = temp;
+	else
+		temp = win->lines[y];
+	for(i = 0; i < win->maxx; i++) {
+		temp->line[i].ch = ' ';
+		temp->line[i].attr = 0;
+	}
+	__touchline(win, y, 0, win->maxx - 1, 0);
+	if (win->orig == NULL)
+		__id_subwins(win);
+	return (OK);
+}

lib/libcurses/move.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)move.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * wmove --
+ *	Moves the cursor to the given point.
+ */
+int
+wmove(win, y, x)
+	register WINDOW *win;
+	register int y, x;
+{
+
+#ifdef DEBUG
+	__CTRACE("wmove: (%d, %d)\n", y, x);
+#endif
+	if (x < 0 || y < 0)
+		return (ERR);
+	if (x >= win->maxx || y >= win->maxy)
+		return (ERR);
+	win->curx = x;
+	win->lines[win->cury]->flags &= ~__ISPASTEOL;
+	win->cury = y;
+	win->lines[y]->flags &= ~__ISPASTEOL;
+	return (OK);
+}

lib/libcurses/mvwin.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)mvwin.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * mvwin --
+ *	Relocate the starting position of a window.
+ */
+int
+mvwin(win, by, bx)
+	register WINDOW *win;
+	register int by, bx;
+{
+	register WINDOW *orig;
+	register int dy, dx;
+
+	if (by + win->maxy > LINES || bx + win->maxx > COLS)
+		return (ERR);
+	dy = by - win->begy;
+	dx = bx - win->begx;
+	orig = win->orig;
+	if (orig == NULL) {
+		orig = win;
+		do {
+			win->begy += dy;
+			win->begx += dx;
+			__swflags(win);
+			win = win->nextp;
+		} while (win != orig);
+	} else {
+		if (by < orig->begy || win->maxy + dy > orig->maxy)
+			return (ERR);
+		if (bx < orig->begx || win->maxx + dx > orig->maxx)
+			return (ERR);
+		win->begy = by;
+		win->begx = bx;
+		__swflags(win);
+		__set_subwin(orig, win);
+	}
+	__touchwin(win);
+	return (OK);
+}

lib/libcurses/newwin.c

@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)newwin.c	8.3 (Berkeley) 7/27/94";
+#endif	/* not lint */
+
+#include <stdlib.h>
+
+#include "curses.h"
+
+#undef	nl		/* Don't need it here, and it interferes. */
+
+static WINDOW 	*__makenew __P((int, int, int, int, int));
+
+void	 __set_subwin __P((WINDOW *, WINDOW *));
+
+/*
+ * newwin --
+ *	Allocate space for and set up defaults for a new window.
+ */
+WINDOW *
+newwin(nl, nc, by, bx)
+	register int nl, nc, by, bx;
+{
+	register WINDOW *win;
+	register __LINE *lp;
+	register int  i, j;
+	register __LDATA *sp;
+
+	if (nl == 0)
+		nl = LINES - by;
+	if (nc == 0)
+		nc = COLS - bx;
+
+	if ((win = __makenew(nl, nc, by, bx, 0)) == NULL)
+		return (NULL);
+
+	win->nextp = win;
+	win->ch_off = 0;
+	win->orig = NULL;
+
+#ifdef DEBUG
+	__CTRACE("newwin: win->ch_off = %d\n", win->ch_off);
+#endif
+
+	for (i = 0; i < nl; i++) {
+		lp = win->lines[i];
+		lp->flags = 0;
+		for (sp = lp->line, j = 0; j < nc; j++, sp++) {
+			sp->ch = ' ';
+			sp->attr = 0;
+		}
+		lp->hash = __hash((char *) lp->line, nc * __LDATASIZE);
+	}
+	return (win);
+}
+
+WINDOW *
+subwin(orig, nl, nc, by, bx)
+	register WINDOW *orig;
+	register int by, bx, nl, nc;
+{
+	int i;
+	__LINE *lp;
+	register WINDOW *win;
+
+	/* Make sure window fits inside the original one. */
+#ifdef	DEBUG
+	__CTRACE("subwin: (%0.2o, %d, %d, %d, %d)\n", orig, nl, nc, by, bx);
+#endif
+	if (by < orig->begy || bx < orig->begx
+	    || by + nl > orig->maxy + orig->begy
+	    || bx + nc > orig->maxx + orig->begx)
+		return (NULL);
+	if (nl == 0)
+		nl = orig->maxy + orig->begy - by;
+	if (nc == 0)
+		nc = orig->maxx + orig->begx - bx;
+	if ((win = __makenew(nl, nc, by, bx, 1)) == NULL)
+		return (NULL);
+	win->nextp = orig->nextp;
+	orig->nextp = win;
+	win->orig = orig;
+
+	/* Initialize flags here so that refresh can also use __set_subwin. */
+	for (lp = win->lspace, i = 0; i < win->maxy; i++, lp++)
+		lp->flags = 0;
+	__set_subwin(orig, win);
+	return (win);
+}
+
+/*
+ * This code is shared with mvwin().
+ */
+void
+__set_subwin(orig, win)
+	register WINDOW *orig, *win;
+{
+	int i;
+	__LINE *lp, *olp;
+
+	win->ch_off = win->begx - orig->begx;
+	/*  Point line pointers to line space. */
+	for (lp = win->lspace, i = 0; i < win->maxy; i++, lp++) {
+		win->lines[i] = lp;
+		olp = orig->lines[i + win->begy];
+		lp->line = &olp->line[win->begx];
+		lp->firstchp = &olp->firstch;
+		lp->lastchp = &olp->lastch;
+		lp->hash = __hash((char *) lp->line, win->maxx * __LDATASIZE);
+	}
+
+#ifdef DEBUG
+	__CTRACE("__set_subwin: win->ch_off = %d\n", win->ch_off);
+#endif
+}
+
+/*
+ * __makenew --
+ *	Set up a window buffer and returns a pointer to it.
+ */
+static WINDOW *
+__makenew(nl, nc, by, bx, sub)
+	register int by, bx, nl, nc;
+	int sub;
+{
+	register WINDOW *win;
+	register __LINE *lp;
+	int i;
+	
+
+#ifdef	DEBUG
+	__CTRACE("makenew: (%d, %d, %d, %d)\n", nl, nc, by, bx);
+#endif
+	if ((win = malloc(sizeof(*win))) == NULL)
+		return (NULL);
+#ifdef DEBUG
+	__CTRACE("makenew: nl = %d\n", nl);
+#endif
+
+	/* 
+	 * Set up line pointer array and line space.
+	 */
+	if ((win->lines = malloc (nl * sizeof(__LINE *))) == NULL) {
+		free(win);
+		return NULL;
+	}
+	if ((win->lspace = malloc (nl * sizeof(__LINE))) == NULL) {
+		free (win);
+		free (win->lines);
+		return NULL;
+	}
+
+	/* Don't allocate window and line space if it's a subwindow */
+	if (!sub) {
+		/*
+		 * Allocate window space in one chunk.
+		 */
+		if ((win->wspace = 
+		    malloc(nc * nl * sizeof(__LDATA))) == NULL) {
+			free(win->lines);
+			free(win->lspace);
+			free(win);
+			return NULL;
+		}
+		
+		/*
+		 * Point line pointers to line space, and lines themselves into
+		 * window space.
+		 */
+		for (lp = win->lspace, i = 0; i < nl; i++, lp++) {
+			win->lines[i] = lp;
+			lp->line = &win->wspace[i * nc];
+			lp->firstchp = &lp->firstch;
+			lp->lastchp = &lp->lastch;
+			lp->firstch = 0;
+			lp->lastch = 0;
+		}
+	}
+#ifdef DEBUG
+	__CTRACE("makenew: nc = %d\n", nc);
+#endif
+	win->cury = win->curx = 0;
+	win->maxy = nl;
+	win->maxx = nc;
+
+	win->begy = by;
+	win->begx = bx;
+	win->flags = 0;
+	__swflags(win);
+#ifdef DEBUG
+	__CTRACE("makenew: win->flags = %0.2o\n", win->flags);
+	__CTRACE("makenew: win->maxy = %d\n", win->maxy);
+	__CTRACE("makenew: win->maxx = %d\n", win->maxx);
+	__CTRACE("makenew: win->begy = %d\n", win->begy);
+	__CTRACE("makenew: win->begx = %d\n", win->begx);
+#endif
+	return (win);
+}
+
+void
+__swflags(win)
+	register WINDOW *win;
+{
+	win->flags &= ~(__ENDLINE | __FULLWIN | __SCROLLWIN | __LEAVEOK);
+	if (win->begx + win->maxx == COLS) {
+		win->flags |= __ENDLINE;
+		if (win->begx == 0 && win->maxy == LINES && win->begy == 0)
+			win->flags |= __FULLWIN;
+		if (win->begy + win->maxy == LINES)
+			win->flags |= __SCROLLWIN;
+	}
+}

lib/libcurses/overlay.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)overlay.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <ctype.h>
+
+#include "curses.h"
+
+/*
+ * overlay --
+ *	Writes win1 on win2 non-destructively.
+ */
+int
+overlay(win1, win2)
+	register WINDOW *win1, *win2;
+{
+
+	register int x, y, y1, y2, endy, endx, starty, startx;
+	register __LDATA *sp, *end;
+
+#ifdef DEBUG
+	__CTRACE("overlay: (%0.2o, %0.2o);\n", win1, win2);
+#endif
+	starty = max(win1->begy, win2->begy);
+	startx = max(win1->begx, win2->begx);
+	endy = min(win1->maxy + win1->begy, win2->maxy + win2->begx);
+	endx = min(win1->maxx + win1->begx, win2->maxx + win2->begx);
+#ifdef DEBUG
+	__CTRACE("overlay: from (%d,%d) to (%d,%d)\n",
+	    starty, startx, endy, endx);
+#endif
+	if (starty >= endy || startx >= endx)
+		return (OK);
+	y1 = starty - win1->begy;
+	y2 = starty - win2->begy;
+	for (y = starty; y < endy; y++, y1++, y2++) {
+		end = &win1->lines[y1]->line[endx - win1->begx];
+		x = startx - win2->begx;
+		for (sp = &win1->lines[y1]->line[startx - win1->begx]; 
+		     sp < end; sp++) {
+			if (!isspace(sp->ch)) {
+				wmove(win2, y2, x);
+				__waddch(win2, sp);
+			}
+			x++;
+		}
+	}
+	return (OK);
+}

lib/libcurses/overwrite.c

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)overwrite.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include <ctype.h>
+#include <string.h>
+
+#include "curses.h"
+
+/*
+ * overwrite --
+ *	Writes win1 on win2 destructively.
+ */
+int
+overwrite(win1, win2)
+	register WINDOW *win1, *win2;
+{
+	register int x, y, endy, endx, starty, startx;
+
+#ifdef DEBUG
+	__CTRACE("overwrite: (%0.2o, %0.2o);\n", win1, win2);
+#endif
+	starty = max(win1->begy, win2->begy);
+	startx = max(win1->begx, win2->begx);
+	endy = min(win1->maxy + win1->begy, win2->maxy + win2->begx);
+	endx = min(win1->maxx + win1->begx, win2->maxx + win2->begx);
+	if (starty >= endy || startx >= endx)
+		return (OK);
+#ifdef DEBUG
+	__CTRACE("overwrite: from (%d, %d) to (%d, %d)\n",
+	    starty, startx, endy, endx);
+#endif
+	x = endx - startx;
+	for (y = starty; y < endy; y++) {
+		(void)memcpy(
+		    &win2->lines[y - win2->begy]->line[startx - win2->begx], 
+		    &win1->lines[y - win1->begy]->line[startx - win1->begx],
+		    x * __LDATASIZE);
+		__touchline(win2, y, startx - win2->begx, endx - win2->begx,
+		    0);
+	}
+	return (OK);
+}

lib/libcurses/printw.c

@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)printw.c	8.3 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include "curses.h"
+
+/*
+ * printw and friends.
+ *
+ * These routines make nonportable assumptions about varargs if __STDC__
+ * is not in effect.
+ */
+
+static int __winwrite __P((void *, const char *, int));
+
+/*
+ * printw --
+ *	Printf on the standard screen.
+ */
+int
+#ifdef __STDC__
+printw(const char *fmt, ...)
+#else
+printw(fmt, va_alist)
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = vwprintw(stdscr, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+/*
+ * wprintw --
+ *	Printf on the given window.
+ */
+int
+#ifdef __STDC__
+wprintw(WINDOW * win, const char *fmt, ...)
+#else
+wprintw(win, fmt, va_alist)
+	WINDOW *win;
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = vwprintw(win, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+/*
+ * mvprintw, mvwprintw --
+ *	Implement the mvprintw commands.  Due to the variable number of
+ *	arguments, they cannot be macros.  Sigh....
+ */
+int
+#ifdef __STDC__
+mvprintw(register int y, register int x, const char *fmt, ...)
+#else
+mvprintw(y, x, fmt, va_alist)
+	register int y, x;
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	if (move(y, x) != OK)
+		return (ERR);
+	ret = vwprintw(stdscr, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+int
+#ifdef __STDC__
+mvwprintw(register WINDOW * win, register int y, register int x,
+    const char *fmt, ...)
+#else
+mvwprintw(win, y, x, fmt, va_alist)
+	register WINDOW *win;
+	register int y, x;
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	if (wmove(win, y, x) != OK)
+		return (ERR);
+
+	ret = vwprintw(win, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+/*
+ * Internal write-buffer-to-window function.
+ */
+static int
+__winwrite(cookie, buf, n)
+	void *cookie;
+	register const char *buf;
+	int n;
+{
+	register WINDOW *win;
+	register int c;
+
+	for (c = n, win = cookie; --c >= 0;)
+		if (waddch(win, *buf++) == ERR)
+			return (-1);
+	return (n);
+}
+
+/*
+ * vwprintw --
+ *	This routine actually executes the printf and adds it to the window.
+ */
+int
+vwprintw(win, fmt, ap)
+	WINDOW *win;
+	const char *fmt;
+	va_list ap;
+{
+	FILE *f;
+
+	if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL)
+		return (ERR);
+	(void)vfprintf(f, fmt, ap);
+	return (fclose(f) ? ERR : OK);
+}

lib/libcurses/putchar.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)putchar.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+void
+__cputchar(ch)
+	int ch;
+{
+
+#ifdef DEBUG
+	__CTRACE("__cputchar: %s\n", unctrl(ch));
+#endif
+	(void)putchar(ch);
+}

lib/libcurses/refresh.c

@@ -0,0 +1,827 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)refresh.c	8.7 (Berkeley) 8/13/94";
+#endif /* not lint */
+
+#include <string.h>
+
+#include "curses.h"
+
+static int curwin;
+static short ly, lx;
+
+static void	domvcur __P((int, int, int, int));
+static int	makech __P((WINDOW *, int));
+static void	quickch __P((WINDOW *));
+static void	scrolln __P((WINDOW *, int, int, int, int, int));
+
+/*
+ * wrefresh --
+ *	Make the current screen look like "win" over the area coverd by
+ *	win.
+ */
+int
+wrefresh(win)
+	register WINDOW *win;
+{
+	register __LINE *wlp;
+	register int retval;
+	register short wy;
+	int dnum;
+
+	/* Initialize loop parameters. */
+	ly = curscr->cury;
+	lx = curscr->curx;
+	wy = 0;
+	curwin = (win == curscr);
+
+	if (!curwin)
+		for (wy = 0; wy < win->maxy; wy++) {
+			wlp = win->lines[wy];
+			if (wlp->flags & __ISDIRTY)
+				wlp->hash = __hash((char *)wlp->line,
+				    win->maxx * __LDATASIZE);
+		}
+
+	if (win->flags & __CLEAROK || curscr->flags & __CLEAROK || curwin) {
+		if ((win->flags & __FULLWIN) || curscr->flags & __CLEAROK) {
+			tputs(CL, 0, __cputchar);
+			ly = 0;
+			lx = 0;
+			if (!curwin) {
+				curscr->flags &= ~__CLEAROK;
+				curscr->cury = 0;
+				curscr->curx = 0;
+				werase(curscr);
+			}
+			__touchwin(win);
+		}
+		win->flags &= ~__CLEAROK;
+	}
+	if (!CA) {
+		if (win->curx != 0)
+			putchar('\n');
+		if (!curwin)
+			werase(curscr);
+	}
+#ifdef DEBUG
+	__CTRACE("wrefresh: (%0.2o): curwin = %d\n", win, curwin);
+	__CTRACE("wrefresh: \tfirstch\tlastch\n");
+#endif
+
+#ifndef NOQCH
+	if ((win->flags & __FULLWIN) && !curwin) {
+		/*
+		 * Invoke quickch() only if more than a quarter of the lines
+		 * in the window are dirty.
+		 */
+		for (wy = 0, dnum = 0; wy < win->maxy; wy++)
+			if (win->lines[wy]->flags & (__ISDIRTY | __FORCEPAINT))
+				dnum++;
+		if (!__noqch && dnum > (int) win->maxy / 4)
+			quickch(win);
+	}
+#endif
+
+#ifdef DEBUG
+{ int i, j;
+		__CTRACE("#####################################\n");
+		for (i = 0; i < curscr->maxy; i++) {
+			__CTRACE("C: %d:", i);
+			__CTRACE(" 0x%x \n", curscr->lines[i]->hash);
+			for (j = 0; j < curscr->maxx; j++)
+				__CTRACE("%c",
+			           curscr->lines[i]->line[j].ch);
+			__CTRACE("\n");
+			for (j = 0; j < curscr->maxx; j++)
+				__CTRACE("%x",
+			           curscr->lines[i]->line[j].attr);
+			__CTRACE("\n");
+			__CTRACE("W: %d:", i);
+			__CTRACE(" 0x%x \n", win->lines[i]->hash);
+			__CTRACE(" 0x%x ", win->lines[i]->flags);
+			for (j = 0; j < win->maxx; j++)
+				__CTRACE("%c",
+			           win->lines[i]->line[j].ch);
+			__CTRACE("\n");
+			for (j = 0; j < win->maxx; j++)
+				__CTRACE("%x",
+			           win->lines[i]->line[j].attr);
+			__CTRACE("\n");
+		}
+}
+#endif /* DEBUG */
+
+	for (wy = 0; wy < win->maxy; wy++) {
+#ifdef DEBUG
+		__CTRACE("%d\t%d\t%d\n",
+		    wy, *win->lines[wy]->firstchp, *win->lines[wy]->lastchp);
+#endif
+		if (!curwin)
+			curscr->lines[wy]->hash = win->lines[wy]->hash;
+		if (win->lines[wy]->flags & (__ISDIRTY | __FORCEPAINT)) {
+			if (makech(win, wy) == ERR)
+				return (ERR);
+			else {
+				if (*win->lines[wy]->firstchp >= win->ch_off)
+					*win->lines[wy]->firstchp = win->maxx +
+					    win->ch_off;
+				if (*win->lines[wy]->lastchp < win->maxx +
+				    win->ch_off)
+					*win->lines[wy]->lastchp = win->ch_off;
+				if (*win->lines[wy]->lastchp <
+				    *win->lines[wy]->firstchp) {
+#ifdef DEBUG
+					__CTRACE("wrefresh: line %d notdirty \n", wy);
+#endif
+					win->lines[wy]->flags &= ~__ISDIRTY;
+				}
+			}
+
+		}
+#ifdef DEBUG
+		__CTRACE("\t%d\t%d\n", *win->lines[wy]->firstchp,
+			*win->lines[wy]->lastchp);
+#endif
+	}
+
+#ifdef DEBUG
+	__CTRACE("refresh: ly=%d, lx=%d\n", ly, lx);
+#endif
+
+	if (win == curscr)
+		domvcur(ly, lx, win->cury, win->curx);
+	else {
+		if (win->flags & __LEAVEOK) {
+			curscr->cury = ly;
+			curscr->curx = lx;
+			ly -= win->begy;
+			lx -= win->begx;
+			if (ly >= 0 && ly < win->maxy && lx >= 0 &&
+			    lx < win->maxx) {
+				win->cury = ly;
+				win->curx = lx;
+			} else
+				win->cury = win->curx = 0;
+		} else {
+			domvcur(ly, lx, win->cury + win->begy,
+			    win->curx + win->begx);
+			curscr->cury = win->cury + win->begy;
+			curscr->curx = win->curx + win->begx;
+		}
+	}
+	retval = OK;
+
+	(void)fflush(stdout);
+	return (retval);
+}
+
+/*
+ * makech --
+ *	Make a change on the screen.
+ */
+static int
+makech(win, wy)
+	register WINDOW *win;
+	int wy;
+{
+	static __LDATA blank = {' ', 0};
+	__LDATA *nsp, *csp, *cp, *cep;
+	u_int force;
+	int clsp, nlsp;			/* Last space in lines. */
+	int lch, wx, y;
+	char *ce;
+
+	/* Is the cursor still on the end of the last line? */
+	if (wy > 0 && win->lines[wy - 1]->flags & __ISPASTEOL) {
+		domvcur(ly, lx, ly + 1, 0);
+		ly++;
+		lx = 0;
+	}
+	wx = *win->lines[wy]->firstchp - win->ch_off;
+	if (wx < 0)
+		wx = 0;
+	else if (wx >= win->maxx)
+		return (OK);
+	lch = *win->lines[wy]->lastchp - win->ch_off;
+	if (lch < 0)
+		return (OK);
+	else if (lch >= (int) win->maxx)
+		lch = win->maxx - 1;
+	y = wy + win->begy;
+
+	if (curwin)
+		csp = &blank;
+	else
+		csp = &curscr->lines[wy + win->begy]->line[wx + win->begx];
+
+	nsp = &win->lines[wy]->line[wx];
+	force = win->lines[wy]->flags & __FORCEPAINT;
+	win->lines[wy]->flags &= ~__FORCEPAINT;
+	if (CE && !curwin) {
+		for (cp = &win->lines[wy]->line[win->maxx - 1];
+		     cp->ch == ' ' && cp->attr == 0; cp--)
+			if (cp <= win->lines[wy]->line)
+				break;
+		nlsp = cp - win->lines[wy]->line;
+	}
+	if (!curwin)
+		ce = CE;
+	else
+		ce = NULL;
+
+	if (force) {
+		if (CM)
+			tputs(tgoto(CM, lx, ly), 0, __cputchar);
+		else {
+			tputs(HO, 0, __cputchar);
+			__mvcur(0, 0, ly, lx, 1);
+		}
+	}
+
+	while (wx <= lch) {
+		if (!force && memcmp(nsp, csp, sizeof(__LDATA)) == 0) {
+			if (wx <= lch) {
+				while (wx <= lch &&
+				    memcmp(nsp, csp, sizeof(__LDATA)) == 0) {
+					nsp++;
+					if (!curwin)
+						++csp;
+					++wx;
+				}
+				continue;
+			}
+			break;
+		}
+		domvcur(ly, lx, y, wx + win->begx);
+
+#ifdef DEBUG
+		__CTRACE("makech: 1: wx = %d, ly= %d, lx = %d, newy = %d, newx = %d, force =%d\n",
+		    wx, ly, lx, y, wx + win->begx, force);
+#endif
+		ly = y;
+		lx = wx + win->begx;
+		while ((force || memcmp(nsp, csp, sizeof(__LDATA)) != 0)
+		    && wx <= lch) {
+
+			if (ce != NULL &&
+			    win->maxx + win->begx == curscr->maxx &&
+			    wx >= nlsp && nsp->ch == ' ' && nsp->attr == 0) {
+				/* Check for clear to end-of-line. */
+				cep = &curscr->lines[wy]->line[win->maxx - 1];
+				while (cep->ch == ' ' && cep->attr == 0)
+					if (cep-- <= csp)
+						break;
+				clsp = cep - curscr->lines[wy]->line -
+				       win->begx * __LDATASIZE;
+#ifdef DEBUG
+			__CTRACE("makech: clsp = %d, nlsp = %d\n", clsp, nlsp);
+#endif
+				if ((clsp - nlsp >= strlen(CE)
+				    && clsp < win->maxx * __LDATASIZE) ||
+				    wy == win->maxy - 1) {
+					if (curscr->flags & __WSTANDOUT) {
+						tputs(SE, 0, __cputchar);
+						curscr->flags &= ~__WSTANDOUT;
+					}
+					tputs(CE, 0, __cputchar);
+					lx = wx + win->begx;
+					while (wx++ <= clsp) {
+						csp->ch = ' ';
+						csp->attr = 0;
+						csp++;
+					}
+					return (OK);
+				}
+				ce = NULL;
+			}
+
+			/*
+			 * Enter/exit standout mode as appropriate.
+			 * XXX
+			 * Should use UC if SO/SE not available.
+			 */
+			if (nsp->attr & __STANDOUT) {
+				if (!(curscr->flags & __WSTANDOUT) &&
+				    SO != NULL && SE != NULL) {
+					tputs(SO, 0, __cputchar);
+					curscr->flags |= __WSTANDOUT;
+				}
+			} else
+				if (curscr->flags & __WSTANDOUT &&
+				    SE != NULL) {
+					tputs(SE, 0, __cputchar);
+					curscr->flags &= ~__WSTANDOUT;
+				}
+
+			wx++;
+			if (wx >= win->maxx && wy == win->maxy - 1 && !curwin)
+				if (win->flags & __SCROLLOK) {
+					if (curscr->flags & __WSTANDOUT
+					    && win->flags & __ENDLINE)
+						if (!MS) {
+							tputs(SE, 0,
+							    __cputchar);
+							curscr->flags &=
+							    ~__WSTANDOUT;
+						}
+					if (!(win->flags & __SCROLLWIN)) {
+						if (!curwin) {
+							csp->attr = nsp->attr;
+							putchar(csp->ch = nsp->ch);
+						} else
+							putchar(nsp->ch);
+					}
+					if (wx + win->begx < curscr->maxx) {
+						domvcur(ly, wx + win->begx,
+						    win->begy + win->maxy - 1,
+						    win->begx + win->maxx - 1);
+					}
+					ly = win->begy + win->maxy - 1;
+					lx = win->begx + win->maxx - 1;
+					return (OK);
+				}
+			if (wx < win->maxx || wy < win->maxy - 1 ||
+			    !(win->flags & __SCROLLWIN)) {
+				if (!curwin) {
+					csp->attr = nsp->attr;
+					putchar(csp->ch = nsp->ch);
+					csp++;
+				} else
+					putchar(nsp->ch);
+			}
+#ifdef DEBUG
+			__CTRACE("makech: putchar(%c)\n", nsp->ch & 0177);
+#endif
+			if (UC && (nsp->attr & __STANDOUT)) {
+				putchar('\b');
+				tputs(UC, 0, __cputchar);
+			}
+			nsp++;
+#ifdef DEBUG
+		__CTRACE("makech: 2: wx = %d, lx = %d\n", wx, lx);
+#endif
+		}
+		if (lx == wx + win->begx)	/* If no change. */
+			break;
+		lx = wx + win->begx;
+		if (lx >= COLS && AM)
+			lx = COLS - 1;
+		else if (wx >= win->maxx) {
+			domvcur(ly, lx, ly, win->maxx + win->begx - 1);
+			lx = win->maxx + win->begx - 1;
+		}
+
+#ifdef DEBUG
+		__CTRACE("makech: 3: wx = %d, lx = %d\n", wx, lx);
+#endif
+	}
+
+	/* Don't leave the screen in standout mode. */
+	if (curscr->flags & __WSTANDOUT) {
+		tputs(SE, 0, __cputchar);
+		curscr->flags &= ~__WSTANDOUT;
+	}
+	return (OK);
+}
+
+/*
+ * domvcur --
+ *	Do a mvcur, leaving standout mode if necessary.
+ */
+static void
+domvcur(oy, ox, ny, nx)
+	int oy, ox, ny, nx;
+{
+	if (curscr->flags & __WSTANDOUT && !MS) {
+		tputs(SE, 0, __cputchar);
+		curscr->flags &= ~__WSTANDOUT;
+	}
+
+	__mvcur(oy, ox, ny, nx, 1);
+}
+
+/*
+ * Quickch() attempts to detect a pattern in the change of the window
+ * in order to optimize the change, e.g., scroll n lines as opposed to
+ * repainting the screen line by line.
+ */
+
+static void
+quickch(win)
+	WINDOW *win;
+{
+#define THRESH		(int) win->maxy / 4
+
+	register __LINE *clp, *tmp1, *tmp2;
+	register int bsize, curs, curw, starts, startw, i, j;
+	int n, target, cur_period, bot, top, sc_region;
+	__LDATA buf[1024];
+	u_int blank_hash;
+
+	/*
+	 * Find how many lines from the top of the screen are unchanged.
+	 */
+	for (top = 0; top < win->maxy; top++)
+		if (win->lines[top]->flags & __FORCEPAINT ||
+		    win->lines[top]->hash != curscr->lines[top]->hash
+		    || memcmp(win->lines[top]->line,
+		    curscr->lines[top]->line,
+		    win->maxx * __LDATASIZE) != 0)
+			break;
+		else
+			win->lines[top]->flags &= ~__ISDIRTY;
+       /*
+	* Find how many lines from bottom of screen are unchanged.
+	*/
+	for (bot = win->maxy - 1; bot >= 0; bot--)
+		if (win->lines[bot]->flags & __FORCEPAINT ||
+		    win->lines[bot]->hash != curscr->lines[bot]->hash
+		    || memcmp(win->lines[bot]->line,
+		    curscr->lines[bot]->line,
+		    win->maxx * __LDATASIZE) != 0)
+			break;
+		else
+			win->lines[bot]->flags &= ~__ISDIRTY;
+
+#ifdef NO_JERKINESS
+	/*
+	 * If we have a bottom unchanged region return.  Scrolling the
+	 * bottom region up and then back down causes a screen jitter.
+	 * This will increase the number of characters sent to the screen
+	 * but it looks better.
+	 */
+	if (bot < win->maxy - 1)
+		return;
+#endif /* NO_JERKINESS */
+
+	/*
+	 * Search for the largest block of text not changed.
+	 * Invariants of the loop:
+	 * - Startw is the index of the beginning of the examined block in win.
+         * - Starts is the index of the beginning of the examined block in
+	 *    curscr.
+	 * - Curs is the index of one past the end of the exmined block in win.
+	 * - Curw is the index of one past the end of the exmined block in
+	 *   curscr.
+	 * - bsize is the current size of the examined block.
+         */
+	for (bsize = bot - top; bsize >= THRESH; bsize--) {
+		for (startw = top; startw <= bot - bsize; startw++)
+			for (starts = top; starts <= bot - bsize;
+			     starts++) {
+				for (curw = startw, curs = starts;
+				     curs < starts + bsize; curw++, curs++)
+					if (win->lines[curw]->flags &
+					    __FORCEPAINT ||
+					    (win->lines[curw]->hash !=
+					    curscr->lines[curs]->hash ||
+				            memcmp(win->lines[curw]->line,
+					    curscr->lines[curs]->line,
+					    win->maxx * __LDATASIZE) != 0))
+						break;
+				if (curs == starts + bsize)
+					goto done;
+			}
+	}
+ done:
+	/* Did not find anything */
+	if (bsize < THRESH)
+		return;
+
+#ifdef DEBUG
+	__CTRACE("quickch:bsize=%d,starts=%d,startw=%d,curw=%d,curs=%d,top=%d,bot=%d\n",
+		bsize, starts, startw, curw, curs, top, bot);
+#endif
+
+	/*
+	 * Make sure that there is no overlap between the bottom and top
+	 * regions and the middle scrolled block.
+	 */
+	if (bot < curs)
+		bot = curs - 1;
+	if (top > starts)
+		top = starts;
+
+	n = startw - starts;
+
+#ifdef DEBUG
+		__CTRACE("#####################################\n");
+		for (i = 0; i < curscr->maxy; i++) {
+			__CTRACE("C: %d:", i);
+			__CTRACE(" 0x%x \n", curscr->lines[i]->hash);
+			for (j = 0; j < curscr->maxx; j++)
+				__CTRACE("%c",
+			           curscr->lines[i]->line[j].ch);
+			__CTRACE("\n");
+			for (j = 0; j < curscr->maxx; j++)
+				__CTRACE("%x",
+			           curscr->lines[i]->line[j].attr);
+			__CTRACE("\n");
+			__CTRACE("W: %d:", i);
+			__CTRACE(" 0x%x \n", win->lines[i]->hash);
+			__CTRACE(" 0x%x ", win->lines[i]->flags);
+			for (j = 0; j < win->maxx; j++)
+				__CTRACE("%c",
+			           win->lines[i]->line[j].ch);
+			__CTRACE("\n");
+			for (j = 0; j < win->maxx; j++)
+				__CTRACE("%x",
+			           win->lines[i]->line[j].attr);
+			__CTRACE("\n");
+		}
+#endif
+
+	/* So we don't have to call __hash() each time */
+	for (i = 0; i < win->maxx; i++) {
+		buf[i].ch = ' ';
+		buf[i].attr = 0;
+	}
+	blank_hash = __hash((char *) buf, win->maxx * __LDATASIZE);
+
+	/*
+	 * Perform the rotation to maintain the consistency of curscr.
+	 * This is hairy since we are doing an *in place* rotation.
+	 * Invariants of the loop:
+	 * - I is the index of the current line.
+	 * - Target is the index of the target of line i.
+	 * - Tmp1 points to current line (i).
+	 * - Tmp2 and points to target line (target);
+	 * - Cur_period is the index of the end of the current period.
+	 *   (see below).
+	 *
+	 * There are 2 major issues here that make this rotation non-trivial:
+	 * 1.  Scrolling in a scrolling region bounded by the top
+	 *     and bottom regions determined (whose size is sc_region).
+	 * 2.  As a result of the use of the mod function, there may be a
+	 *     period introduced, i.e., 2 maps to 4, 4 to 6, n-2 to 0, and
+	 *     0 to 2, which then causes all odd lines not to be rotated.
+	 *     To remedy this, an index of the end ( = beginning) of the
+	 *     current 'period' is kept, cur_period, and when it is reached,
+	 *     the next period is started from cur_period + 1 which is
+	 *     guaranteed not to have been reached since that would mean that
+	 *     all records would have been reached. (think about it...).
+	 *
+	 * Lines in the rotation can have 3 attributes which are marked on the
+	 * line so that curscr is consistent with the visual screen.
+	 * 1.  Not dirty -- lines inside the scrolled block, top region or
+	 *                  bottom region.
+	 * 2.  Blank lines -- lines in the differential of the scrolling
+	 *		      region adjacent to top and bot regions
+	 *                    depending on scrolling direction.
+	 * 3.  Dirty line -- all other lines are marked dirty.
+	 */
+	sc_region = bot - top + 1;
+	i = top;
+	tmp1 = curscr->lines[top];
+	cur_period = top;
+	for (j = top; j <= bot; j++) {
+		target = (i - top + n + sc_region) % sc_region + top;
+		tmp2 = curscr->lines[target];
+		curscr->lines[target] = tmp1;
+		/* Mark block as clean and blank out scrolled lines. */
+		clp = curscr->lines[target];
+#ifdef DEBUG
+		__CTRACE("quickch: n=%d startw=%d curw=%d i = %d target=%d ",
+			n, startw, curw, i, target);
+#endif
+		if ((target >= startw && target < curw) || target < top
+		    || target > bot) {
+#ifdef DEBUG
+			__CTRACE("-- notdirty");
+#endif
+			win->lines[target]->flags &= ~__ISDIRTY;
+		} else if ((n > 0 && target >= top && target < top + n) ||
+		           (n < 0 && target <= bot && target > bot + n)) {
+			if (clp->hash != blank_hash ||  memcmp(clp->line,
+			    buf, win->maxx * __LDATASIZE) !=0) {
+				(void)memcpy(clp->line,  buf,
+				    win->maxx * __LDATASIZE);
+#ifdef DEBUG
+				__CTRACE("-- blanked out: dirty");
+#endif
+				clp->hash = blank_hash;
+				__touchline(win, target, 0, win->maxx - 1, 0);
+			} else {
+				__touchline(win, target, 0, win->maxx - 1, 0);
+#ifdef DEBUG
+				__CTRACE(" -- blank line already: dirty");
+#endif
+			}
+		} else {
+#ifdef DEBUG
+			__CTRACE(" -- dirty");
+#endif
+			__touchline(win, target, 0, win->maxx - 1, 0);
+		}
+#ifdef DEBUG
+		__CTRACE("\n");
+#endif
+		if (target == cur_period) {
+			i = target + 1;
+			tmp1 = curscr->lines[i];
+			cur_period = i;
+		} else {
+			tmp1 = tmp2;
+			i = target;
+		}
+	}
+#ifdef DEBUG
+		__CTRACE("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
+		for (i = 0; i < curscr->maxy; i++) {
+			__CTRACE("C: %d:", i);
+			for (j = 0; j < curscr->maxx; j++)
+				__CTRACE("%c",
+			           curscr->lines[i]->line[j].ch);
+			__CTRACE("\n");
+			__CTRACE("W: %d:", i);
+			for (j = 0; j < win->maxx; j++)
+				__CTRACE("%c", win->lines[i]->line[j].ch);
+			__CTRACE("\n");
+		}
+#endif
+	if (n != 0) {
+		WINDOW *wp;
+		scrolln(win, starts, startw, curs, bot, top);
+		/*
+		 * Need to repoint any subwindow lines to the rotated
+		 * line structured.
+		 */
+		for (wp = win->nextp; wp != win; wp = wp->nextp)
+			__set_subwin(win, wp);
+	}
+}
+
+/*
+ * scrolln --
+ *	Scroll n lines, where n is starts - startw.
+ */
+static void
+scrolln(win, starts, startw, curs, bot, top)
+	WINDOW *win;
+	int starts, startw, curs, bot, top;
+{
+	int i, oy, ox, n;
+
+	oy = curscr->cury;
+	ox = curscr->curx;
+	n = starts - startw;
+
+	/*
+	 * XXX
+	 * The initial tests that set __noqch don't let us reach here unless
+	 * we have either CS + HO + SF/sf/SR/sr, or AL + DL.  SF/sf and SR/sr
+	 * scrolling can only shift the entire scrolling region, not just a
+	 * part of it, which means that the quickch() routine is going to be
+	 * sadly disappointed in us if we don't have CS as well.
+	 *
+	 * If CS, HO and SF/sf are set, can use the scrolling region.  Because
+	 * the cursor position after CS is undefined, we need HO which gives us
+	 * the ability to move to somewhere without knowledge of the current
+	 * location of the cursor.  Still call __mvcur() anyway, to update its
+	 * idea of where the cursor is.
+	 *
+	 * When the scrolling region has been set, the cursor has to be at the
+	 * last line of the region to make the scroll happen.
+	 *
+	 * Doing SF/SR or AL/DL appears faster on the screen than either sf/sr
+	 * or al/dl, and, some terminals have AL/DL, sf/sr, and CS, but not
+	 * SF/SR.  So, if we're scrolling almost all of the screen, try and use
+	 * AL/DL, otherwise use the scrolling region.  The "almost all" is a
+	 * shameless hack for vi.
+	 */
+	if (n > 0) {
+		if (CS != NULL && HO != NULL && (SF != NULL ||
+		    (AL == NULL || DL == NULL ||
+		    top > 3 || bot + 3 < win->maxy) && sf != NULL)) {
+			tputs(__tscroll(CS, top, bot + 1), 0, __cputchar);
+			__mvcur(oy, ox, 0, 0, 1);
+			tputs(HO, 0, __cputchar);
+			__mvcur(0, 0, bot, 0, 1);
+			if (SF != NULL)
+				tputs(__tscroll(SF, n, 0), 0, __cputchar);
+			else
+				for (i = 0; i < n; i++)
+					tputs(sf, 0, __cputchar);
+			tputs(__tscroll(CS, 0, win->maxy), 0, __cputchar);
+			__mvcur(bot, 0, 0, 0, 1);
+			tputs(HO, 0, __cputchar);
+			__mvcur(0, 0, oy, ox, 1);
+			return;
+		}
+
+		/* Scroll up the block. */
+		if (SF != NULL && top == 0) {
+			__mvcur(oy, ox, bot, 0, 1);
+			tputs(__tscroll(SF, n, 0), 0, __cputchar);
+		} else if (DL != NULL) {
+			__mvcur(oy, ox, top, 0, 1);
+			tputs(__tscroll(DL, n, 0), 0, __cputchar);
+		} else if (dl != NULL) {
+			__mvcur(oy, ox, top, 0, 1);
+			for (i = 0; i < n; i++)
+				tputs(dl, 0, __cputchar);
+		} else if (sf != NULL && top == 0) {
+			__mvcur(oy, ox, bot, 0, 1);
+			for (i = 0; i < n; i++)
+				tputs(sf, 0, __cputchar);
+		} else
+			abort();
+
+		/* Push down the bottom region. */
+		__mvcur(top, 0, bot - n + 1, 0, 1);
+		if (AL != NULL)
+			tputs(__tscroll(AL, n, 0), 0, __cputchar);
+		else if (al != NULL)
+			for (i = 0; i < n; i++)
+				tputs(al, 0, __cputchar);
+		else
+			abort();
+		__mvcur(bot - n + 1, 0, oy, ox, 1);
+	} else {
+		/*
+		 * !!!
+		 * n < 0
+		 *
+		 * If CS, HO and SR/sr are set, can use the scrolling region.
+		 * See the above comments for details.
+		 */
+		if (CS != NULL && HO != NULL && (SR != NULL ||
+		    (AL == NULL || DL == NULL ||
+		    top > 3 || bot + 3 < win->maxy) && sr != NULL)) {
+			tputs(__tscroll(CS, top, bot + 1), 0, __cputchar);
+			__mvcur(oy, ox, 0, 0, 1);
+			tputs(HO, 0, __cputchar);
+			__mvcur(0, 0, top, 0, 1);
+
+			if (SR != NULL)
+				tputs(__tscroll(SR, -n, 0), 0, __cputchar);
+			else
+				for (i = n; i < 0; i++)
+					tputs(sr, 0, __cputchar);
+			tputs(__tscroll(CS, 0, win->maxy), 0, __cputchar);
+			__mvcur(top, 0, 0, 0, 1);
+			tputs(HO, 0, __cputchar);
+			__mvcur(0, 0, oy, ox, 1);
+			return;
+		}
+
+		/* Preserve the bottom lines. */
+		__mvcur(oy, ox, bot + n + 1, 0, 1);
+		if (SR != NULL && bot == win->maxy)
+			tputs(__tscroll(SR, -n, 0), 0, __cputchar);
+		else if (DL != NULL)
+			tputs(__tscroll(DL, -n, 0), 0, __cputchar);
+		else if (dl != NULL)
+		       	for (i = n; i < 0; i++)
+				tputs(dl, 0, __cputchar);
+		else if (sr != NULL && bot == win->maxy)
+		       	for (i = n; i < 0; i++)
+				tputs(sr, 0, __cputchar);
+		else
+			abort();
+
+		/* Scroll the block down. */
+		__mvcur(bot + n + 1, 0, top, 0, 1);
+		if (AL != NULL)
+			tputs(__tscroll(AL, -n, 0), 0, __cputchar);
+		else if (al != NULL)
+			for (i = n; i < 0; i++)
+				tputs(al, 0, __cputchar);
+		else
+			abort();
+		__mvcur(top, 0, oy, ox, 1);
+	}
+}

lib/libcurses/scanw.c

@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)scanw.c	8.3 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+/*
+ * scanw and friends.
+ */
+
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include "curses.h"
+
+/*
+ * scanw --
+ *	Implement a scanf on the standard screen.
+ */
+int
+#ifdef __STDC__
+scanw(const char *fmt, ...)
+#else
+scanw(fmt, va_alist)
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = vwscanw(stdscr, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+/*
+ * wscanw --
+ *	Implements a scanf on the given window.
+ */
+int
+#ifdef __STDC__
+wscanw(WINDOW *win, const char *fmt, ...)
+#else
+wscanw(win, fmt, va_alist)
+	WINDOW *win;
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = vwscanw(win, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+/*
+ * mvscanw, mvwscanw -- 
+ *	Implement the mvscanw commands.  Due to the variable number of
+ *	arguments, they cannot be macros.  Another sigh....
+ */
+int
+#ifdef __STDC__
+mvscanw(register int y, register int x, const char *fmt,...)
+#else
+mvscanw(y, x, fmt, va_alist)
+	register int y, x;
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+	if (move(y, x) != OK)
+		return (ERR);
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = vwscanw(stdscr, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+int
+#ifdef __STDC__
+mvwscanw(register WINDOW * win, register int y, register int x,
+    const char *fmt, ...)
+#else
+mvwscanw(win, y, x, fmt, va_alist)
+	register WINDOW *win;
+	register int y, x;
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+	if (move(y, x) != OK)
+		return (ERR);
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = vwscanw(win, fmt, ap);
+	va_end(ap);
+	return (ret);
+}
+
+/*
+ * vwscanw --
+ *	This routine actually executes the scanf from the window.
+ */
+int
+vwscanw(win, fmt, ap)
+	WINDOW *win;
+	const char *fmt;
+	va_list ap;
+{
+
+	char buf[1024];
+
+	return (wgetstr(win, buf) == OK ?
+	    vsscanf(buf, fmt, ap) : ERR);
+}

lib/libcurses/scroll.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)scroll.c	8.3 (Berkeley) 5/4/94";
+#endif /* not lint */
+
+#include "curses.h"
+
+/*
+ * scroll --
+ *	Scroll the window up a line.
+ */
+int
+scroll(win)
+	register WINDOW *win;
+{
+	register int oy, ox;
+
+#ifdef DEBUG
+	__CTRACE("scroll: (%0.2o)\n", win);
+#endif
+
+	if (!(win->flags & __SCROLLOK))
+		return (ERR);
+
+	getyx(win, oy, ox);
+	wmove(win, 0, 0);
+	wdeleteln(win);
+	wmove(win, oy, ox);
+
+	if (win == curscr) {
+		putchar('\n');
+		if (!NONL)
+			win->curx = 0;
+#ifdef DEBUG
+		__CTRACE("scroll: win == curscr\n");
+#endif
+	}
+	return (OK);
+}

lib/libcurses/setterm.c

@@ -0,0 +1,233 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)setterm.c	8.8 (Berkeley) 10/25/94";
+#endif /* not lint */
+
+#include <sys/ioctl.h>		/* TIOCGWINSZ on old systems. */
+
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "curses.h"
+
+static void zap __P((void));
+
+static char	*sflags[] = {
+		/*       am   bs   da   eo   hc   in   mi   ms  */
+			&AM, &BS, &DA, &EO, &HC, &IN, &MI, &MS,
+		/*	 nc   ns   os   ul   xb   xn   xt   xs   xx  */
+			&NC, &NS, &OS, &UL, &XB, &XN, &XT, &XS, &XX
+		};
+
+static char	*_PC,
+		**sstrs[] = {
+		/*	 AL   bc   bt   cd   ce   cl   cm   cr   cs  */
+			&AL, &BC, &BT, &CD, &CE, &CL, &CM, &CR, &CS,
+		/*	 dc   DL   dm   do   ed   ei   k0   k1   k2  */
+			&DC, &DL, &DM, &DO, &ED, &EI, &K0, &K1, &K2,
+		/*	 k3   k4   k5   k6   k7   k8   k9   ho   ic  */
+			&K3, &K4, &K5, &K6, &K7, &K8, &K9, &HO, &IC,
+		/*	 im   ip   kd   ke   kh   kl   kr   ks   ku  */
+			&IM, &IP, &KD, &KE, &KH, &KL, &KR, &KS, &KU,
+		/*	 ll   ma   nd   nl    pc   rc   sc   se   SF */
+			&LL, &MA, &ND, &NL, &_PC, &RC, &SC, &SE, &SF,
+		/*	 so   SR   ta   te   ti   uc   ue   up   us  */
+			&SO, &SR, &TA, &TE, &TI, &UC, &UE, &UP, &US,
+		/*	 vb   vs   ve   al   dl   sf   sr   AL	     */
+			&VB, &VS, &VE, &al, &dl, &sf, &sr, &AL_PARM, 
+		/*	 DL	   UP	     DO		 LE	     */
+			&DL_PARM, &UP_PARM, &DOWN_PARM, &LEFT_PARM, 
+		/*	 RI					     */
+			&RIGHT_PARM,
+		};
+
+static char	*aoftspace;		/* Address of _tspace for relocation */
+static char	tspace[2048];		/* Space for capability strings */
+
+char *ttytype;
+
+int
+setterm(type)
+	register char *type;
+{
+	static char genbuf[1024];
+	static char __ttytype[1024];
+	register int unknown;
+	struct winsize win;
+	char *p;
+
+#ifdef DEBUG
+	__CTRACE("setterm: (\"%s\")\nLINES = %d, COLS = %d\n",
+	    type, LINES, COLS);
+#endif
+	if (type[0] == '\0')
+		type = "xx";
+	unknown = 0;
+	if (tgetent(genbuf, type) != 1) {
+		unknown++;
+		strcpy(genbuf, "xx|dumb:");
+	}
+#ifdef DEBUG
+	__CTRACE("setterm: tty = %s\n", type);
+#endif
+
+	/* Try TIOCGWINSZ, and, if it fails, the termcap entry. */
+	if (ioctl(STDERR_FILENO, TIOCGWINSZ, &win) != -1 &&
+	    win.ws_row != 0 && win.ws_col != 0) {
+		LINES = win.ws_row;
+		COLS = win.ws_col;
+	}  else {
+		LINES = tgetnum("li");
+		COLS = tgetnum("co");
+	}
+
+	/* POSIX 1003.2 requires that the environment override. */
+	if ((p = getenv("LINES")) != NULL)
+		LINES = strtol(p, NULL, 10);
+	if ((p = getenv("COLUMNS")) != NULL)
+		COLS = strtol(p, NULL, 10);
+
+	/*
+	 * Want cols > 4, otherwise things will fail.
+	 */
+	if (COLS <= 4)
+		return (ERR);
+
+#ifdef DEBUG
+	__CTRACE("setterm: LINES = %d, COLS = %d\n", LINES, COLS);
+#endif
+	aoftspace = tspace;
+	zap();			/* Get terminal description. */
+
+	/* If we can't tab, we can't backtab, either. */
+	if (!GT)
+		BT = NULL;
+
+	/*
+	 * Test for cursor motion capbility.
+	 *
+	 * XXX
+	 * This is truly stupid -- historically, tgoto returns "OOPS" if it
+	 * can't do cursor motions.  Some systems have been fixed to return
+	 * a NULL pointer.
+	 */
+	if ((p = tgoto(CM, 0, 0)) == NULL || *p == 'O') {
+		CA = 0;
+		CM = 0;
+	} else
+		CA = 1;
+
+	PC = _PC ? _PC[0] : 0;
+	aoftspace = tspace;
+	ttytype = longname(genbuf, __ttytype);
+
+	/* If no scrolling commands, no quick change. */
+	__noqch =
+	    (CS == NULL || HO == NULL ||
+	    SF == NULL && sf == NULL || SR == NULL && sr == NULL) &&
+	    (AL == NULL && al == NULL || DL == NULL && dl == NULL);
+
+	return (unknown ? ERR : OK);
+}
+
+/*
+ * zap --
+ *	Gets all the terminal flags from the termcap database.
+ */
+static void
+zap()
+{
+	register char *namp, ***sp;
+	register char **fp;
+	char tmp[3];
+#ifdef DEBUG
+	register char	*cp;
+#endif
+	tmp[2] = '\0';
+
+	namp = "ambsdaeohcinmimsncnsosulxbxnxtxsxx";
+	fp = sflags;
+	do {
+		*tmp = *namp;
+		*(tmp + 1) = *(namp + 1);
+		*(*fp++) = tgetflag(tmp);
+#ifdef DEBUG
+		__CTRACE("2.2s = %s\n", namp, *fp[-1] ? "TRUE" : "FALSE");
+#endif
+		namp += 2;
+		
+	} while (*namp);
+	namp = "ALbcbtcdceclcmcrcsdcDLdmdoedeik0k1k2k3k4k5k6k7k8k9hoicimipkdkekhklkrkskullmandnlpcrcscseSFsoSRtatetiucueupusvbvsvealdlsfsrALDLUPDOLERI";
+	sp = sstrs;
+	do {
+		*tmp = *namp;
+		*(tmp + 1) = *(namp + 1);
+		*(*sp++) = tgetstr(tmp, &aoftspace);
+#ifdef DEBUG
+		__CTRACE("2.2s = %s", namp, *sp[-1] == NULL ? "NULL\n" : "\"");
+		if (*sp[-1] != NULL) {
+			for (cp = *sp[-1]; *cp; cp++)
+				__CTRACE("%s", unctrl(*cp));
+			__CTRACE("\"\n");
+		}
+#endif
+		namp += 2;
+	} while (*namp);
+	if (XS)
+		SO = SE = NULL;
+	else {
+		if (tgetnum("sg") > 0)
+			SO = NULL;
+		if (tgetnum("ug") > 0)
+			US = NULL;
+		if (!SO && US) {
+			SO = US;
+			SE = UE;
+		}
+	}
+}
+
+/*
+ * getcap --
+ *	Return a capability from termcap.
+ */
+char *
+getcap(name)
+	char *name;
+{
+	return (tgetstr(name, &aoftspace));
+}

lib/libcurses/standout.c

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)standout.c	8.3 (Berkeley) 8/10/94";
+#endif /* not lint */
+
+#include "curses.h"
+
+/*
+ * wstandout
+ *	Enter standout mode.
+ */
+int
+wstandout(win)
+	WINDOW *win;
+{
+	/*
+	 * If standout/standend strings, or can underline, set the
+	 * screen standout bit.
+	 */
+	if (SO != NULL && SE != NULL || UC != NULL)
+		win->flags |= __WSTANDOUT;
+	return (1);
+}
+
+/*
+ * wstandend --
+ *	Exit standout mode.
+ */
+int
+wstandend(win)
+	WINDOW *win;
+{
+	win->flags &= ~__WSTANDOUT;
+	return (1);
+}

lib/libcurses/toucholap.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)toucholap.c	8.2 (Berkeley) 5/4/94";
+#endif /* not lint */
+
+#include "curses.h"
+
+/*
+ * touchoverlap --
+ *	Touch, on win2, the part that overlaps with win1.
+ */
+int
+touchoverlap(win1, win2)
+	register WINDOW *win1, *win2;
+{
+	register int y, endy, endx, starty, startx;
+
+#ifdef DEBUG
+	__CTRACE("touchoverlap: (%0.2o, %0.2o);\n", win1, win2);
+#endif
+	starty = max(win1->begy, win2->begy);
+	startx = max(win1->begx, win2->begx);
+	endy = min(win1->maxy + win1->begy, win2->maxy + win2->begx);
+	endx = min(win1->maxx + win1->begx, win2->maxx + win2->begx);
+#ifdef DEBUG
+	__CTRACE("touchoverlap: from (%d,%d) to (%d,%d)\n",
+	    starty, startx, endy, endx);
+	__CTRACE("touchoverlap: win1 (%d,%d) to (%d,%d)\n",
+	    win1->begy, win1->begx, win1->begy + win1->maxy,
+	    win1->begx + win1->maxx);
+	__CTRACE("touchoverlap: win2 (%d,%d) to (%d,%d)\n",
+	    win2->begy, win2->begx, win2->begy + win2->maxy,
+	    win2->begx + win2->maxx);
+#endif
+	if (starty >= endy || startx >= endx)
+		return (OK);
+	starty -= win2->begy;
+	startx -= win2->begx;
+	endy -= win2->begy;
+	endx -= win2->begx;
+	for (--endx, y = starty; y < endy; y++)
+		__touchline(win2, y, startx, endx, 0);
+	return (OK);
+}
+

lib/libcurses/touchwin.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)touchwin.c	8.2 (Berkeley) 5/4/94";
+#endif /* not lint */
+
+#include "curses.h"
+
+/*
+ * touchline --
+ *	Touch a given line.
+ */
+int
+touchline(win, y, sx, ex)
+	WINDOW *win;
+	register int y, sx, ex;
+{
+	return (__touchline(win, y, sx, ex, 1));
+}
+
+
+/*
+ * touchwin --
+ *	Make it look like the whole window has been changed.
+ */
+int
+touchwin(win)
+	register WINDOW *win;
+{
+	register int y, maxy;
+
+#ifdef DEBUG
+	__CTRACE("touchwin: (%0.2o)\n", win);
+#endif
+	maxy = win->maxy;
+	for (y = 0; y < maxy; y++)
+		__touchline(win, y, 0, win->maxx - 1, 1);
+	return (OK);
+}
+
+
+int
+__touchwin(win)
+	register WINDOW *win;
+{
+	register int y, maxy;
+
+#ifdef DEBUG
+	__CTRACE("touchwin: (%0.2o)\n", win);
+#endif
+	maxy = win->maxy;
+	for (y = 0; y < maxy; y++)
+		__touchline(win, y, 0, win->maxx - 1, 0);
+	return (OK);
+}
+
+int
+__touchline(win, y, sx, ex, force)
+	register WINDOW *win;
+	register int y, sx, ex;
+	int force;
+{
+#ifdef DEBUG
+	__CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force);
+	__CTRACE("touchline: first = %d, last = %d\n",
+	    *win->lines[y]->firstchp, *win->lines[y]->lastchp);
+#endif
+	if (force)
+		win->lines[y]->flags |= __FORCEPAINT;
+	sx += win->ch_off;
+	ex += win->ch_off;
+	if (!(win->lines[y]->flags & __ISDIRTY)) {
+		win->lines[y]->flags |= __ISDIRTY;
+		*win->lines[y]->firstchp = sx;
+		*win->lines[y]->lastchp = ex;
+	} else {
+		if (*win->lines[y]->firstchp > sx)
+			*win->lines[y]->firstchp = sx;
+		if (*win->lines[y]->lastchp < ex)
+			*win->lines[y]->lastchp = ex;
+	}
+#ifdef DEBUG
+	__CTRACE("touchline: first = %d, last = %d\n",
+	    *win->lines[y]->firstchp, *win->lines[y]->lastchp);
+#endif
+	return (OK);
+}
+
+

lib/libcurses/tscroll.c

@@ -0,0 +1,139 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)tscroll.c	8.4 (Berkeley) 7/27/94";
+#endif /* not lint */
+
+#include "curses.h"
+
+#define	MAXRETURNSIZE	64
+
+/*
+ * Routine to perform scrolling.  Derived from tgoto.c in tercamp(3)
+ * library.  Cap is a string containing printf type escapes to allow
+ * scrolling.  The following escapes are defined for substituting n:
+ *
+ *	%d	as in printf
+ *	%2	like %2d
+ *	%3	like %3d
+ *	%.	gives %c hacking special case characters
+ *	%+x	like %c but adding x first
+ *
+ *	The codes below affect the state but don't use up a value.
+ *
+ *	%>xy	if value > x add y
+ *	%i	increments n
+ *	%%	gives %
+ *	%B	BCD (2 decimal digits encoded in one byte)
+ *	%D	Delta Data (backwards bcd)
+ *
+ * all other characters are ``self-inserting''.
+ */
+char *
+__tscroll(cap, n1, n2)
+	const char *cap;
+	int n1, n2;
+{
+	static char result[MAXRETURNSIZE];
+	int c, n;
+	char *dp;
+
+	if (cap == NULL)
+		goto err;
+	for (n = n1, dp = result; (c = *cap++) != '\0';) {
+		if (c != '%') {
+			*dp++ = c;
+			continue;
+		}
+		switch (c = *cap++) {
+		case 'n':
+			n ^= 0140;
+			continue;
+		case 'd':
+			if (n < 10)
+				goto one;
+			if (n < 100)
+				goto two;
+			/* FALLTHROUGH */
+		case '3':
+			*dp++ = (n / 100) | '0';
+			n %= 100;
+			/* FALLTHROUGH */
+		case '2':
+two:			*dp++ = n / 10 | '0';
+one:			*dp++ = n % 10 | '0';
+			n = n2;
+			continue;
+		case '>':
+			if (n > *cap++)
+				n += *cap++;
+			else
+				cap++;
+			continue;
+		case '+':
+			n += *cap++;
+			/* FALLTHROUGH */
+		case '.':
+			*dp++ = n;
+			continue;
+		case 'i':
+			n++;
+			continue;
+		case '%':
+			*dp++ = c;
+			continue;
+		case 'B':
+			n = (n / 10 << 4) + n % 10;
+			continue;
+		case 'D':
+			n = n - 2 * (n % 16);
+			continue;
+		/*
+		 * XXX
+		 * System V terminfo files have lots of extra gunk.
+		 * The only one we've seen in scrolling strings is
+		 * %pN, and it seems to work okay if we ignore it.
+		 */
+		case 'p':
+			++cap;
+			continue;
+		default:
+			goto err;
+		}
+	}
+	*dp = '\0';
+	return (result);
+
+err:	return("curses: __tscroll failed");
+}

lib/libcurses/tstp.c

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)tstp.c	8.3 (Berkeley) 5/4/94";
+#endif /* not lint */
+
+#include <errno.h>
+#include <signal.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "curses.h"
+
+/*
+ * stop_signal_handler --
+ *	Handle stop signals.
+ */
+void
+__stop_signal_handler(signo)
+	int signo;
+{
+	struct termios save;
+	sigset_t oset, set;
+
+	/* Get the current terminal state (which the user may have changed). */
+	if (tcgetattr(STDIN_FILENO, &save))
+		return;
+
+	/*
+	 * Block window change and timer signals.  The latter is because
+	 * applications use timers to decide when to repaint the screen.
+	 */
+	(void)sigemptyset(&set);
+	(void)sigaddset(&set, SIGALRM);
+	(void)sigaddset(&set, SIGWINCH);
+	(void)sigprocmask(SIG_BLOCK, &set, &oset);
+	
+	/*
+	 * End the window, which also resets the terminal state to the
+	 * original modes.
+	 */
+	endwin();
+
+	/* Unblock SIGTSTP. */
+	(void)sigemptyset(&set);
+	(void)sigaddset(&set, SIGTSTP);
+	(void)sigprocmask(SIG_UNBLOCK, &set, NULL);
+
+	/* Stop ourselves. */
+	__restore_stophandler();
+	(void)kill(0, SIGTSTP);
+
+	/* Time passes ... */
+
+	/* Reset the curses SIGTSTP signal handler. */
+	__set_stophandler();
+
+	/* save the new "default" terminal state */
+	(void)tcgetattr(STDIN_FILENO, &__orig_termios);
+
+	/* Reset the terminal state to the mode just before we stopped. */
+	(void)tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, &save);
+
+	/* Restart the screen. */
+	__startwin();
+
+	/* Repaint the screen. */
+	wrefresh(curscr);
+
+	/* Reset the signals. */
+	(void)sigprocmask(SIG_SETMASK, &oset, NULL);
+}
+
+static void (*otstpfn)() = SIG_DFL;
+
+/*
+ * Set the TSTP handler.
+ */
+void
+__set_stophandler()
+{
+	otstpfn = signal(SIGTSTP, __stop_signal_handler);
+}
+
+/*
+ * Restore the TSTP handler.
+ */
+void
+__restore_stophandler()
+{
+	(void)signal(SIGTSTP, otstpfn);
+}

lib/libcurses/tty.c

@@ -0,0 +1,281 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)tty.c	8.6 (Berkeley) 1/10/95";
+#endif /* not lint */
+
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "curses.h"
+
+/*
+ * In general, curses should leave tty hardware settings alone (speed, parity,
+ * word size).  This is most easily done in BSD by using TCSASOFT on all
+ * tcsetattr calls.  On other systems, it would be better to get and restore
+ * those attributes at each change, or at least when stopped and restarted.
+ * See also the comments in getterm().
+ */
+#ifdef TCSASOFT
+int __tcaction = 1;			/* Ignore hardware settings. */
+#else
+int __tcaction = 0;
+#endif
+
+struct termios __orig_termios, __baset;
+static struct termios cbreakt, rawt, *curt;
+static int useraw;
+
+#ifndef	OXTABS
+#ifdef	XTABS			/* SMI uses XTABS. */
+#define	OXTABS	XTABS
+#else
+#define	OXTABS	0
+#endif
+#endif
+
+/*
+ * gettmode --
+ *	Do terminal type initialization.
+ */
+int
+gettmode()
+{
+	useraw = 0;
+	
+	if (tcgetattr(STDIN_FILENO, &__orig_termios))
+		return (ERR);
+
+	__baset = __orig_termios;
+	__baset.c_oflag &= ~OXTABS;
+
+	GT = 0;		/* historical. was used before we wired OXTABS off */
+	NONL = (__baset.c_oflag & ONLCR) == 0;
+
+	/*
+	 * XXX
+	 * System V and SMI systems overload VMIN and VTIME, such that
+	 * VMIN is the same as the VEOF element, and VTIME is the same
+	 * as the VEOL element.  This means that, if VEOF was ^D, the
+	 * default VMIN is 4.  Majorly stupid.
+	 */
+	cbreakt = __baset;
+	cbreakt.c_lflag &= ~ICANON;
+	cbreakt.c_cc[VMIN] = 1;
+	cbreakt.c_cc[VTIME] = 0;
+
+	rawt = cbreakt;
+	rawt.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|INLCR|IGNCR|ICRNL|IXON);
+	rawt.c_oflag &= ~OPOST;
+	rawt.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
+
+	/*
+	 * In general, curses should leave hardware-related settings alone.
+	 * This includes parity and word size.  Older versions set the tty
+	 * to 8 bits, no parity in raw(), but this is considered to be an
+	 * artifact of the old tty interface.  If it's desired to change
+	 * parity and word size, the TCSASOFT bit has to be removed from the
+	 * calls that switch to/from "raw" mode.
+	 */
+	if (!__tcaction) {
+		rawt.c_iflag &= ~ISTRIP;
+		rawt.c_cflag &= ~(CSIZE|PARENB);
+		rawt.c_cflag |= CS8;
+	}
+
+	curt = &__baset;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+raw()
+{
+	useraw = __pfast = __rawmode = 1;
+	curt = &rawt;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+noraw()
+{
+	useraw = __pfast = __rawmode = 0;
+	curt = &__baset;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+cbreak()
+{
+
+	__rawmode = 1;
+	curt = useraw ? &rawt : &cbreakt;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+nocbreak()
+{
+
+	__rawmode = 0;
+	curt = useraw ? &rawt : &__baset;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+	
+int
+echo()
+{
+	rawt.c_lflag |= ECHO;
+	cbreakt.c_lflag |= ECHO;
+	__baset.c_lflag |= ECHO;
+	
+	__echoit = 1;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+noecho()
+{
+	rawt.c_lflag &= ~ECHO;
+	cbreakt.c_lflag &= ~ECHO;
+	__baset.c_lflag &= ~ECHO;
+	
+	__echoit = 0;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+nl()
+{
+	rawt.c_iflag |= ICRNL;
+	rawt.c_oflag |= ONLCR;
+	cbreakt.c_iflag |= ICRNL;
+	cbreakt.c_oflag |= ONLCR;
+	__baset.c_iflag |= ICRNL;
+	__baset.c_oflag |= ONLCR;
+
+	__pfast = __rawmode;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+int
+nonl()
+{
+	rawt.c_iflag &= ~ICRNL;
+	rawt.c_oflag &= ~ONLCR;
+	cbreakt.c_iflag &= ~ICRNL;
+	cbreakt.c_oflag &= ~ONLCR;
+	__baset.c_iflag &= ~ICRNL;
+	__baset.c_oflag &= ~ONLCR;
+
+	__pfast = 1;
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK);
+}
+
+void
+__startwin()
+{
+	static char *stdbuf;
+	static size_t len;
+
+	(void)fflush(stdout);
+
+	/*
+	 * Some C libraries default to a 1K buffer when talking to a tty.
+	 * With a larger screen, especially across a network, we'd like
+	 * to get it to all flush in a single write.  Make it twice as big
+	 * as just the characters (so that we have room for cursor motions
+	 * and standout information) but no more than 8K.
+	 */
+	if (stdbuf == NULL) {
+		if ((len = LINES * COLS * 2) > 8192)
+			len = 8192;
+		if ((stdbuf = malloc(len)) == NULL)
+			len = 0;
+	}
+	(void)setvbuf(stdout, stdbuf, _IOFBF, len);
+
+	tputs(TI, 0, __cputchar);
+	tputs(VS, 0, __cputchar);
+}
+
+int
+endwin()
+{
+	__restore_stophandler();
+
+	if (curscr != NULL) {
+		if (curscr->flags & __WSTANDOUT) {
+			tputs(SE, 0, __cputchar);
+			curscr->flags &= ~__WSTANDOUT;
+		}
+		__mvcur(curscr->cury, curscr->curx, curscr->maxy - 1, 0, 0);
+	}
+
+	(void)tputs(VE, 0, __cputchar);
+	(void)tputs(TE, 0, __cputchar);
+	(void)fflush(stdout);
+	(void)setvbuf(stdout, NULL, _IOLBF, 0);
+
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, &__orig_termios) ? ERR : OK);
+}
+
+/*
+ * The following routines, savetty and resetty are completely useless and
+ * are left in only as stubs.  If people actually use them they will almost
+ * certainly screw up the state of the world.
+ */
+static struct termios savedtty;
+int
+savetty()
+{
+	return (tcgetattr(STDIN_FILENO, &savedtty) ? ERR : OK);
+}
+
+int
+resetty()
+{
+	return (tcsetattr(STDIN_FILENO, __tcaction ?
+	    TCSASOFT | TCSADRAIN : TCSADRAIN, &savedtty) ? ERR : OK);
+}

lib/libedit/histedit.h

@@ -0,0 +1,172 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Christos Zoulas of Cornell University.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)histedit.h	8.2 (Berkeley) 1/3/94
+ */
+
+/*
+ * histedit.h: Line editor and history interface.
+ */
+#ifndef _h_editline
+#define _h_editline
+
+#include <sys/types.h>
+#include <stdio.h>
+
+/*
+ * ==== Editing ====
+ */
+typedef struct editline EditLine;
+
+/*
+ * For user-defined function interface
+ */
+typedef struct lineinfo {
+    __const char *buffer;
+    __const char *cursor;
+    __const char *lastchar;
+} LineInfo;
+
+
+/*
+ * EditLine editor function return codes.
+ * For user-defined function interface
+ */
+#define	CC_NORM		0
+#define	CC_NEWLINE	1
+#define	CC_EOF		2
+#define CC_ARGHACK	3
+#define CC_REFRESH	4
+#define	CC_CURSOR	5
+#define	CC_ERROR	6
+#define CC_FATAL	7
+
+/*
+ * Initialization, cleanup, and resetting
+ */
+EditLine	*el_init	__P((const char *, FILE *, FILE *));
+void		 el_reset	__P((EditLine *));
+void		 el_end		__P((EditLine *));
+
+
+/*
+ * Get a line, a character or push a string back in the input queue
+ */
+__const char    *el_gets	__P((EditLine *, int *));
+int		 el_getc	__P((EditLine *, char *));
+void		 el_push	__P((EditLine *, const char *));
+
+/*
+ * High level function internals control
+ * Parses argc, argv array and executes builtin editline commands
+ */
+int		 el_parse	__P((EditLine *, int, char **)); 
+
+/*
+ * Low level editline access function
+ */
+int 		 el_set		__P((EditLine *, int, ...));
+
+/*
+ * el_set/el_get parameters
+ */
+#define EL_PROMPT	0	/* , el_pfunc_t);		*/
+#define EL_TERMINAL	1	/* , const char *);		*/
+#define EL_EDITOR	2	/* , const char *);		*/
+#define EL_SIGNAL	3	/* , int);			*/
+#define	EL_BIND		4	/* , const char *, ..., NULL);	*/
+#define	EL_TELLTC	5	/* , const char *, ..., NULL);	*/
+#define	EL_SETTC	6	/* , const char *, ..., NULL);	*/
+#define	EL_ECHOTC	7	/* , const char *, ..., NULL);	*/
+#define	EL_SETTY	8	/* , const char *, ..., NULL);	*/
+#define	EL_ADDFN	9	/* , const char *, const char *	*/
+				/* , el_func_t);		*/
+#define EL_HIST		10	/* , hist_fun_t, const char *);	*/
+
+/*
+ * Source named file or $PWD/.editrc or $HOME/.editrc
+ */
+int		el_source	__P((EditLine *, const char *));
+
+/*
+ * Must be called when the terminal changes size; If EL_SIGNAL
+ * is set this is done automatically otherwise it is the responsibility
+ * of the application
+ */
+void		 el_resize	__P((EditLine *));
+
+
+/*
+ * User-defined function interface.
+ */
+__const LineInfo *el_line	__P((EditLine *));
+int   		  el_insertstr	__P((EditLine *, char *));
+void		  el_deletestr	__P((EditLine *, int));
+
+/*
+ * ==== History ====
+ */
+
+typedef struct history History;
+
+typedef struct HistEvent {
+    int 	  num;
+    __const char *str;
+} HistEvent;
+
+/*
+ * History access functions.
+ */
+History *		history_init	__P((void));
+void 			history_end	__P((History *));
+
+__const HistEvent *	history		__P((History *, int, ...));
+
+#define H_FUNC		 0	/* , UTSL		*/
+#define H_EVENT		 1	/* , const int);	*/
+#define H_FIRST		 2	/* , void);		*/
+#define H_LAST		 3	/* , void);		*/
+#define H_PREV		 4	/* , void);		*/
+#define H_NEXT		 5	/* , void);		*/
+#define H_CURR		 6	/* , void);		*/
+#define H_ADD		 7	/* , const char*);	*/
+#define H_ENTER		 8	/* , const char*);	*/
+#define H_END		 9	/* , void);		*/
+#define H_NEXT_STR	10	/* , const char*);	*/
+#define H_PREV_STR	11	/* , const char*);	*/
+#define H_NEXT_EVENT	12	/* , const int);	*/
+#define H_PREV_EVENT	13	/* , const int);	*/
+
+#endif /* _h_editline */

lib/libedit/termcap.h

@@ -0,0 +1,52 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Christos Zoulas of Cornell University.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)termcap.h	8.1 (Berkeley) 6/4/93
+ */
+
+/*
+ * termcap.h: I cannot find those in any include files...
+ */
+#ifndef _h_termcap
+#define _h_termcap
+
+int   tgetent	__P((char *, char *));
+char *tgetstr	__P((char *, char **));
+int   tgetflag	__P((char *));
+int   tgetnum	__P((char *));
+char *tgoto	__P((char *, int, int));
+char *tputs	__P((char *, int, void (*)(int)));
+
+#endif /* _h_termcap */

lib/libkvm/Makefile

@@ -0,0 +1,14 @@
+#	@(#)Makefile	8.3 (Berkeley) 5/4/95
+
+LIB=	kvm
+CFLAGS+=-DLIBC_SCCS -I/sys
+SRCS=	kvm.c kvm_${MACHINE}.c kvm_file.c kvm_getloadavg.c kvm_proc.c
+
+MAN3=	kvm.0 kvm_geterr.0 kvm_getfiles.0 kvm_getloadavg.0 kvm_getprocs.0 \
+	kvm_nlist.0 kvm_open.0 kvm_read.0
+
+MLINKS+=kvm_getprocs.3 kvm_getargv.3 kvm_getprocs.3 kvm_getenvv.3
+MLINKS+=kvm_open.3 kvm_openfiles.3 kvm_open.3 kvm_close.3
+MLINKS+=kvm_read.3 kvm_write.3
+
+.include <bsd.lib.mk>