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- /* system-dependent definitions for textutils programs.
- Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Include sys/types.h before this file. */
-
- #include <sys/stat.h>
- #ifndef S_ISREG /* Doesn't have POSIX.1 stat stuff. */
- #define mode_t unsigned short
- #endif
- #if !defined(S_ISBLK) && defined(S_IFBLK)
- #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
- #endif
- #if !defined(S_ISCHR) && defined(S_IFCHR)
- #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
- #endif
- #if !defined(S_ISDIR) && defined(S_IFDIR)
- #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
- #endif
- #if !defined(S_ISREG) && defined(S_IFREG)
- #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
- #endif
- #if !defined(S_ISFIFO) && defined(S_IFIFO)
- #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
- #endif
- #if !defined(S_ISLNK) && defined(S_IFLNK)
- #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
- #endif
- #if !defined(S_ISSOCK) && defined(S_IFSOCK)
- #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
- #endif
- #if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
- #define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
- #define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
- #endif
- #if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
- #define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
- #endif
- #if defined(MKFIFO_MISSING)
- #define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
- #endif
-
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif
- #ifndef _POSIX_VERSION
- off_t lseek ();
- #endif
-
- #if defined(USG) || defined(STDC_HEADERS)
- #if !defined(STDC_HEADERS)
- #include <memory.h>
- #endif
- #include <string.h>
- #define index strchr
- #define rindex strrchr
- #define bzero(s, n) memset ((s), 0, (n))
- #else
- #include <strings.h>
- char *memchr ();
- #endif
-
- #include <errno.h>
- #ifdef STDC_HEADERS
- #include <stdlib.h>
- #else
- char *getenv ();
- extern int errno;
- #endif
-
- #if defined(USG) || defined(_POSIX_VERSION)
- #include <fcntl.h>
- #else
- #include <sys/file.h>
- #endif
-
- #if !defined(SEEK_SET)
- #define SEEK_SET 0
- #define SEEK_CUR 1
- #define SEEK_END 2
- #endif
-
- /* Extract or fake data from a `struct stat'.
- ST_BLKSIZE: Optimal I/O blocksize for the file, in bytes. */
- #ifdef _POSIX_SOURCE
- #define ST_BLKSIZE(statbuf) 1024
- #else /* not _POSIX_SOURCE */
- #include <sys/param.h>
- #ifdef ST_BLKSIZE_MISSING
- #define ST_BLKSIZE(statbuf) BSIZE
- #else /* not ST_BLKSIZE_MISSING */
- /* Some systems, like Sequents, return st_blksize of 0 on pipes. */
- #define ST_BLKSIZE(statbuf) ((statbuf).st_blksize > 0 \
- ? (statbuf).st_blksize : DEV_BSIZE)
- #endif /* ST_BLKSIZE_MISSING */
- #endif /* _POSIX_SOURCE */
-
- #ifndef S_ISLNK
- #define lstat stat
- #endif
-
- #ifndef SIGTYPE
- #define SIGTYPE void
- #endif
-