ac4bd338c8
plus a couple of minor changes.. Some highlights of the new stuff that was not in the old version: - remote access support.. full checkout/commit/log/etc.. - much improved dead file support.. - speed improvements - better $CVSROOT handling - $Name$ support - support for a "cvsadmin" group to cut down rampant use of "cvs admin -o" - safer setuid/setgid support - many bugs fixed.. :-) - probably some new ones.. :-( - more that I cannot remember offhand..
263 lines
6.5 KiB
C
263 lines
6.5 KiB
C
/* system-dependent definitions for CVS.
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Copyright (C) 1989-1992 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* $CVSid: @(#)system.h 1.18 94/09/25 $ */
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifndef S_ISREG /* Doesn't have POSIX.1 stat stuff. */
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#ifndef mode_t
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#define mode_t unsigned short
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#endif
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#endif
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#if !defined(S_ISBLK) && defined(S_IFBLK)
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#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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#endif
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#if !defined(S_ISCHR) && defined(S_IFCHR)
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#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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#endif
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#if !defined(S_ISDIR) && defined(S_IFDIR)
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#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#endif
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#if !defined(S_ISREG) && defined(S_IFREG)
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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#if !defined(S_ISFIFO) && defined(S_IFIFO)
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#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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#endif
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#if !defined(S_ISLNK) && defined(S_IFLNK)
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#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
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#endif
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#if !defined(S_ISSOCK) && defined(S_IFSOCK)
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#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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#endif
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#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
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#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
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#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
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#endif
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#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
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#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
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#endif
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#if !defined(HAVE_MKFIFO)
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#define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
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#endif
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#if defined(POSIX) || defined(HAVE_UNISTD_H)
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#include <unistd.h>
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#include <limits.h>
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#else
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off_t lseek ();
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#endif
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#ifdef TM_IN_SYS_TIME
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif
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#ifndef HAVE_SYS_TIMEB_H
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struct timeb {
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time_t time; /* Seconds since the epoch */
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unsigned short millitm; /* Field not used */
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#ifdef timezone
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short tzone;
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#else
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short timezone;
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#endif
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short dstflag; /* Field not used */
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};
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#else
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#include <sys/timeb.h>
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#endif
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#if !defined(HAVE_FTIME) && !defined(HAVE_TIMEZONE)
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#if !defined(timezone)
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extern long timezone;
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#endif
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#endif
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/*
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** MAXPATHLEN and PATH_MAX
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**
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** On most systems MAXPATHLEN is defined in sys/param.h to be 1024. Of
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** those that this is not true, again most define PATH_MAX in limits.h
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** or sys/limits.h which usually gets included by limits.h. On the few
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** remaining systems that neither statement is true, _POSIX_PATH_MAX
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** is defined.
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**
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** So:
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** 1. If PATH_MAX is defined just use it.
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** 2. If MAXPATHLEN is defined but not PATH_MAX, then define
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** PATH_MAX in terms of MAXPATHLEN.
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** 3. If neither is defined, include limits.h and check for
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** PATH_MAX again.
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** 4. If PATH_MAX is still not defined but _POSIX_PATH_MAX is,
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** then define PATH_MAX in terms of _POSIX_PATH_MAX.
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** 5. And if even _POSIX_PATH_MAX doesn't exist just put in
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** a reasonable value.
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**
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** This works on:
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** Sun Sparc 10 SunOS 4.1.3 & Solaris 1.2
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** HP 9000/700 HP/UX 8.07 & HP/UX 9.01
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** Tektronix XD88/10 UTekV 3.2e
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** IBM RS6000 AIX 3.2
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** Dec Alpha OSF 1 ????
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** Intel 386 BSDI BSD/386
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** Apollo Domain 10.4
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** NEC SVR4
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*/
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/* On MOST systems this will get you MAXPATHLEN */
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#include <sys/param.h>
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#ifndef PATH_MAX
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# ifdef MAXPATHLEN
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# define PATH_MAX MAXPATHLEN
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# else
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# include <limits.h>
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# ifndef PATH_MAX
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# ifdef _POSIX_PATH_MAX
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# define PATH_MAX _POSIX_PATH_MAX
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# else
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# define PATH_MAX 1024
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# endif /* _POSIX_PATH_MAX */
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# endif /* PATH_MAX */
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# endif /* MAXPATHLEN */
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#endif /* PATH_MAX */
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#ifdef HAVE_UTIME_H
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#include <utime.h>
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#else
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#ifndef ALTOS
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struct utimbuf
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{
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long actime;
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long modtime;
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};
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#endif
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int utime ();
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#endif
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#if STDC_HEADERS || HAVE_STRING_H
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#include <string.h>
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/* An ANSI string.h and pre-ANSI memory.h might conflict. */
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#if !STDC_HEADERS && HAVE_MEMORY_H
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#include <memory.h>
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#endif /* not STDC_HEADERS and HAVE_MEMORY_H */
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#ifndef index
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#define index strchr
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#endif /* index */
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#ifndef rindex
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#define rindex strrchr
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#endif /* rindex */
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#ifndef bcmp
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#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
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#endif /* bcmp */
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#ifndef bzero
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#define bzero(s, n) memset ((s), 0, (n))
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#endif /* bzero */
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#else /* not STDC_HJEADERS and not HAVE_STRING_H */
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#include <strings.h>
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/* memory.h and strings.h conflict on some systems. */
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#endif /* not STDC_HEADERS and not HAVE_STRING_H */
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#include <errno.h>
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#ifdef STDC_HEADERS
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#include <stdlib.h>
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#else
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char *getenv ();
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char *malloc ();
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char *realloc ();
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char *calloc ();
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extern int errno;
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#endif
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#if defined(USG) || defined(POSIX)
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char *getcwd ();
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#else
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char *getwd ();
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#include <sys/file.h>
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#endif
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#ifndef F_OK
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#define F_OK 0
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#define X_OK 1
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#define W_OK 2
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#define R_OK 4
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#endif
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/* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
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#if defined(DIRENT) || defined(_POSIX_VERSION)
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#include <dirent.h>
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#define NLENGTH(dirent) (strlen((dirent)->d_name))
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#else /* not (DIRENT or _POSIX_VERSION) */
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#define dirent direct
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#define NLENGTH(dirent) ((dirent)->d_namlen)
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#ifdef HAVE_SYS_NDIR_H
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#include <sys/ndir.h>
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#endif
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#ifdef HAVE_SYS_DIR_H
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#include <sys/dir.h>
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#endif
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#ifdef HAVE_NDIR_H
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#include <ndir.h>
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#endif
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#endif /* not (DIRENT or _POSIX_VERSION) */
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/* Convert B 512-byte blocks to kilobytes if K is nonzero,
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otherwise return it unchanged. */
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#define convert_blocks(b, k) ((k) ? ((b) + 1) / 2 : (b))
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#ifndef S_ISLNK
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#define lstat stat
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#endif
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/*
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* Some UNIX distributions don't include these in their stat.h Defined here
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* because "config.h" is always included last.
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*/
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#ifndef S_IWRITE
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#define S_IWRITE 0000200 /* write permission, owner */
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#endif
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#ifndef S_IWGRP
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#define S_IWGRP 0000020 /* write permission, grougroup */
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#endif
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#ifndef S_IWOTH
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#define S_IWOTH 0000002 /* write permission, other */
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#endif
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