mirror of
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201 lines
4.9 KiB
C
201 lines
4.9 KiB
C
/* system-dependent definitions for textutils programs.
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Copyright (C) 1989, 1990, 1991 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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/* Include sys/types.h before this file. */
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#include <sys/stat.h>
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#ifdef STAT_MACROS_BROKEN
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#ifdef S_ISBLK
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#undef S_ISBLK
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#endif
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#ifdef S_ISCHR
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#undef S_ISCHR
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#endif
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#ifdef S_ISDIR
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#undef S_ISDIR
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#endif
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#ifdef S_ISFIFO
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#undef S_ISFIFO
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#endif
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#ifdef S_ISLNK
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#undef S_ISLNK
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#endif
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#ifdef S_ISMPB
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#undef S_ISMPB
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#endif
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#ifdef S_ISMPC
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#undef S_ISMPC
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#endif
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#ifdef S_ISNWK
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#undef S_ISNWK
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#endif
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#ifdef S_ISREG
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#undef S_ISREG
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#endif
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#ifdef S_ISSOCK
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#undef S_ISSOCK
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#endif
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#endif /* STAT_MACROS_BROKEN. */
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#ifndef S_ISREG /* Doesn't have POSIX.1 stat stuff. */
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#define mode_t unsigned short
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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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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef _POSIX_VERSION
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off_t lseek ();
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#endif
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#if defined(HAVE_STRING_H) || defined(STDC_HEADERS)
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#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
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#include <memory.h>
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#endif
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#include <string.h>
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#ifndef index
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#define index strchr
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#endif
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#ifndef rindex
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#define rindex strrchr
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#endif
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/* Don't define bcopy; we need one that can handle overlaps. */
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#ifndef bzero
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#define bzero(s, n) memset ((s), 0, (n))
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#endif
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#ifndef bcmp
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#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
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#endif
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#else
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#include <strings.h>
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char *memchr ();
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#endif
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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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extern int errno;
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#endif
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#if defined(HAVE_FCNTL_H) || defined(_POSIX_VERSION)
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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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#if !defined(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 _POSIX_SOURCE
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#include <sys/param.h>
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#endif
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/* Get or fake the disk device blocksize.
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Usually defined by sys/param.h (if at all). */
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#if !defined(DEV_BSIZE) && defined(BSIZE)
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#define DEV_BSIZE BSIZE
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#endif
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#if !defined(DEV_BSIZE) && defined(BBSIZE) /* SGI */
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#define DEV_BSIZE BBSIZE
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#endif
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#ifndef DEV_BSIZE
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#define DEV_BSIZE 4096
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#endif
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/* Extract or fake data from a `struct stat'.
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ST_BLKSIZE: Optimal I/O blocksize for the file, in bytes. */
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#ifndef HAVE_ST_BLKSIZE
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# define ST_BLKSIZE(statbuf) DEV_BSIZE
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#else /* HAVE_ST_BLKSIZE */
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/* Some systems, like Sequents, return st_blksize of 0 on pipes. */
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# define ST_BLKSIZE(statbuf) ((statbuf).st_blksize > 0 \
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? (statbuf).st_blksize : DEV_BSIZE)
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#endif /* HAVE_ST_BLKSIZE */
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#ifndef S_ISLNK
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#define lstat stat
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#endif
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#ifndef RETSIGTYPE
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#define RETSIGTYPE void
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#endif
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#include <ctype.h>
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#ifndef isascii
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#define isascii(c) 1
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#endif
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#ifdef isblank
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#define ISBLANK(c) (isascii (c) && isblank (c))
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#else
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#define ISBLANK(c) ((c) == ' ' || (c) == '\t')
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#endif
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#ifdef isgraph
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#define ISGRAPH(c) (isascii (c) && isgraph (c))
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#else
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#define ISGRAPH(c) (isascii (c) && isprint (c) && !isspace (c))
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#endif
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#define ISPRINT(c) (isascii (c) && isprint (c))
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#define ISDIGIT(c) (isascii (c) && isdigit (c))
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#define ISALNUM(c) (isascii (c) && isalnum (c))
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#define ISALPHA(c) (isascii (c) && isalpha (c))
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#define ISCNTRL(c) (isascii (c) && iscntrl (c))
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#define ISLOWER(c) (isascii (c) && islower (c))
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#define ISPUNCT(c) (isascii (c) && ispunct (c))
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#define ISSPACE(c) (isascii (c) && isspace (c))
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#define ISUPPER(c) (isascii (c) && isupper (c))
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#define ISXDIGIT(c) (isascii (c) && isxdigit (c))
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