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- /* system-dependent definitions for fileutils 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(HAVE_MKFIFO)
- #define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
- #endif
-
- #ifndef _POSIX_SOURCE
- #include <sys/param.h>
- #endif
-
- #include "pathmax.h"
-
- #ifndef _POSIX_VERSION
- off_t lseek ();
- #ifdef USG
- #include <sys/times.h>
- #else /* !USG */
- #include <sys/time.h>
- #endif /* !USG */
- #endif /* !_POSIX_VERSION */
-
- /* Since major is a function on SVR4, we can't use `ifndef major'. */
- #ifdef MAJOR_IN_MKDEV
- #include <sys/mkdev.h>
- #define HAVE_MAJOR
- #endif
- #ifdef MAJOR_IN_SYSMACROS
- #include <sys/sysmacros.h>
- #define HAVE_MAJOR
- #endif
- #ifdef major /* Might be defined in sys/types.h. */
- #define HAVE_MAJOR
- #endif
-
- #ifndef HAVE_MAJOR
- #define major(dev) (((dev) >> 8) & 0xff)
- #define minor(dev) ((dev) & 0xff)
- #define makedev(maj, min) (((maj) << 8) | (min))
- #endif
- #undef HAVE_MAJOR
-
- #ifdef _POSIX_VERSION
- #include <utime.h>
- #else /* not _POSIX_VERSION */
- struct utimbuf
- {
- long actime;
- long modtime;
- };
- #endif /* _POSIX_VERSION */
-
- #if defined(USG) || defined(STDC_HEADERS)
- #include <string.h>
- #define index strchr
- #define rindex strrchr
- #define bcopy(from, to, len) memcpy ((to), (from), (len))
- #define bzero(s, n) memset ((s), 0, (n))
- #else /* not (USG or STDC_HEADERS) */
- #include <strings.h>
- #endif /* USG or STDC_HEADERS */
-
- #include <errno.h>
- #ifdef STDC_HEADERS
- #define getopt system_getopt
- #include <stdlib.h>
- #undef getopt
- #else /* not STDC_HEADERS */
- char *getenv ();
- extern int errno;
- #endif /* STDC_HEADERS */
-
- #if defined(USG) || defined(_POSIX_VERSION)
- #include <fcntl.h>
- #else /* not (USG or _POSIX_VERSION) */
- #include <sys/file.h>
- #endif /* USG or _POSIX_VERSION */
-
- #ifndef SEEK_SET
- #define SEEK_SET 0
- #define SEEK_CUR 1
- #define SEEK_END 2
- #endif
- #ifndef F_OK
- #define F_OK 0
- #define X_OK 1
- #define W_OK 2
- #define R_OK 4
- #endif
-
- #if defined(DIRENT) || defined(_POSIX_VERSION)
- #include <dirent.h>
- #ifdef direct
- #undef direct
- #endif
- #define direct dirent
- #define NLENGTH(direct) (strlen((direct)->d_name))
- #else /* not (DIRENT or _POSIX_VERSION) */
- #define NLENGTH(direct) ((direct)->d_namlen)
- #ifdef USG
- #ifdef SYSNDIR
- #include <sys/ndir.h>
- #else /* not SYSNDIR */
- #include <ndir.h>
- #endif /* SYSNDIR */
- #else /* not USG */
- #include <sys/dir.h>
- #endif /* USG */
- #endif /* DIRENT or _POSIX_VERSION */
-
- #ifdef VOID_CLOSEDIR
- /* Fake a return value. */
- #define CLOSEDIR(d) (closedir (d), 0)
- #else
- #define CLOSEDIR(d) closedir (d)
- #endif
-
- /* Get or fake the disk device blocksize.
- Usually defined by sys/param.h (if at all). */
- #ifndef DEV_BSIZE
- #ifdef BSIZE
- #define DEV_BSIZE BSIZE
- #else /* !BSIZE */
- #define DEV_BSIZE 4096
- #endif /* !BSIZE */
- #endif /* !DEV_BSIZE */
-
- /* Extract or fake data from a `struct stat'.
- ST_BLKSIZE: Optimal I/O blocksize for the file, in bytes.
- ST_NBLOCKS: Number of 512-byte blocks in the file
- (including indirect blocks). */
- #ifndef HAVE_ST_BLOCKS
- # define ST_BLKSIZE(statbuf) DEV_BSIZE
- # if defined(_POSIX_SOURCE) || !defined(BSIZE) /* fileblocks.c uses BSIZE. */
- # define ST_NBLOCKS(statbuf) (((statbuf).st_size + 512 - 1) / 512)
- # else /* !_POSIX_SOURCE && BSIZE */
- # define ST_NBLOCKS(statbuf) (st_blocks ((statbuf).st_size))
- # endif /* !_POSIX_SOURCE && BSIZE */
- #else /* HAVE_ST_BLOCKS */
- /* Some systems, like Sequents, return st_blksize of 0 on pipes. */
- # define ST_BLKSIZE(statbuf) ((statbuf).st_blksize > 0 \
- ? (statbuf).st_blksize : DEV_BSIZE)
- # if defined(hpux) || defined(__hpux__)
- /* HP-UX counts st_blocks in 1024-byte units.
- This loses when mixing HP-UX and BSD filesystems with NFS. */
- # define ST_NBLOCKS(statbuf) ((statbuf).st_blocks * 2)
- # else /* !hpux */
- # if defined(_AIX) && defined(_I386)
- /* AIX PS/2 counts st_blocks in 4K units. */
- # define ST_NBLOCKS(statbuf) ((statbuf).st_blocks * 8)
- # else /* not AIX PS/2 */
- # define ST_NBLOCKS(statbuf) ((statbuf).st_blocks)
- # endif /* not AIX PS/2 */
- # endif /* !hpux */
- #endif /* HAVE_ST_BLOCKS */
-
- /* Convert B 512-byte blocks to kilobytes if K is nonzero,
- otherwise return it unchanged. */
- #define convert_blocks(b, k) ((k) ? ((b) + 1) / 2 : (b))
-
- #ifndef S_ISLNK
- #define lstat stat
- #endif
-
- #ifndef RETSIGTYPE
- #define RETSIGTYPE void
- #endif
-
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #ifdef sparc
- #include <alloca.h>
- #else
- #ifndef _AIX
- /* AIX alloca decl has to be the first thing in the file, bletch! */
- char *alloca ();
- #endif
- #endif
- #endif
-