Bump libutil revision after recent addition of setproctitle().

Install (optional) libutil.h with prototypes for the functions and
document this in the man page.

minor cleanups to the various routines, include the prototype file, declare
return codes etc.

lib/libc/gen/setproctitle.3

@@ -17,7 +17,7 @@
 .\" 5. Modifications may be freely made to this file providing the above
 .\"    conditions are met.
 .\"
-.\" $Id$
+.\" $Id: setproctitle.3,v 1.1 1995/12/26 22:50:08 peter Exp $
 .\"
 .\" The following requests are required for all man pages.
 .Dd December 16, 1995
@@ -28,8 +28,16 @@
 .Nd set the process title for
 .Xr ps 1
 .Sh SYNOPSIS
+#include <libutil.h>
+.Pp
 .Ft void
 .Fn setproctitle "const char *fmt" "..."
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 The
 .Nm setproctitle

lib/libutil/Makefile

@@ -1,8 +1,14 @@
 #	@(#)Makefile	8.1 (Berkeley) 6/4/93
 
 LIB=	util
-CFLAGS+=-DLIBC_SCCS -I/sys
+SHLIB_MAJOR= 2
+SHLIB_MINOR= 1
+CFLAGS+=-DLIBC_SCCS -I${.CURDIR} -I/sys
 SRCS=	login.c login_tty.c logout.c logwtmp.c pty.c setproctitle.c
 MAN3+=	setproctitle.3
 
+beforeinstall:
+	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 ${.CURDIR}/libutil.h \
+		${DESTDIR}/usr/include
+
 .include <bsd.lib.mk>

lib/libutil/libutil.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 1995 Peter Wemm <peter@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, is permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice immediately at the beginning of the file, without modification,
+ *    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. This work was done expressly for inclusion into FreeBSD.  Other use
+ *    is permitted provided this notation is included.
+ * 4. Absolutely no warranty of function or purpose is made by the author
+ *    Peter Wemm.
+ * 5. Modifications may be freely made to this file providing the above
+ *    conditions are met.
+ *
+ * $Id$
+ */
+
+#ifndef _LIBUTIL_H_
+#define	_LIBUTIL_H_
+
+#include <sys/cdefs.h>
+
+/* Avoid pulling in all the include files for no need */
+struct termios;
+struct winsize;
+struct utmp;
+
+__BEGIN_DECLS
+void	setproctitle __P((const char *fmt, ...));
+void	login __P((struct utmp *ut));
+int	login_tty __P((int fd));
+int	logout __P((char *line));
+void	logwtmp __P((char *line, char *name, char *host));
+int	openpty __P((int *amaster, int *aslave, char *name,
+		     struct termios *termp, struct winsize *winp));
+__END_DECLS
+
+#endif /* !_LIBUTIL_H_ */

lib/libutil/login.c

@@ -42,6 +42,7 @@ static char sccsid[] = "@(#)login.c	8.1 (Berkeley) 6/4/93";
 #include <stdlib.h>
 #include <utmp.h>
 #include <stdio.h>
+#include <libutil.h>
 
 void
 login(ut)

lib/libutil/login_tty.c

@@ -38,6 +38,11 @@ static char sccsid[] = "@(#)login_tty.c	8.1 (Berkeley) 6/4/93";
 #include <sys/param.h>
 #include <sys/ioctl.h>
 
+#include <unistd.h>
+#include <stdlib.h>
+#include <libutil.h>
+
+int
 login_tty(fd)
 	int fd;
 {

lib/libutil/logout.c

@@ -43,6 +43,7 @@ static char sccsid[] = "@(#)logout.c	8.1 (Berkeley) 6/4/93";
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <libutil.h>
 
 typedef struct utmp UTMP;
 

lib/libutil/logwtmp.c

@@ -42,7 +42,9 @@ static char sccsid[] = "@(#)logwtmp.c	8.1 (Berkeley) 6/4/93";
 
 #include <unistd.h>
 #include <utmp.h>
+#include <libutil.h>
 
+void
 logwtmp(line, name, host)
 	char *line, *name, *host;
 {

lib/libutil/pty.c

@@ -47,7 +47,9 @@ static char sccsid[] = "@(#)pty.c	8.3 (Berkeley) 5/16/94";
 #include <string.h>
 #include <termios.h>
 #include <unistd.h>
+#include <libutil.h>
 
+int
 openpty(amaster, aslave, name, termp, winp)
 	int *amaster, *aslave;
 	char *name;

lib/libutil/setproctitle.3

@@ -17,7 +17,7 @@
 .\" 5. Modifications may be freely made to this file providing the above
 .\"    conditions are met.
 .\"
-.\" $Id$
+.\" $Id: setproctitle.3,v 1.1 1995/12/26 22:50:08 peter Exp $
 .\"
 .\" The following requests are required for all man pages.
 .Dd December 16, 1995
@@ -28,8 +28,16 @@
 .Nd set the process title for
 .Xr ps 1
 .Sh SYNOPSIS
+#include <libutil.h>
+.Pp
 .Ft void
 .Fn setproctitle "const char *fmt" "..."
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 The
 .Nm setproctitle