167 lines
4.4 KiB
C
167 lines
4.4 KiB
C
/* 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(HAVE_MKFIFO)
|
|
#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(HAVE_STRING_H) || defined(STDC_HEADERS)
|
|
#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
|
|
#include <memory.h>
|
|
#endif
|
|
#include <string.h>
|
|
#ifndef index
|
|
#define index strchr
|
|
#endif
|
|
#ifndef rindex
|
|
#define rindex strrchr
|
|
#endif
|
|
/* Don't define bcopy; we need one that can handle overlaps. */
|
|
#ifndef bzero
|
|
#define bzero(s, n) memset ((s), 0, (n))
|
|
#endif
|
|
#ifndef bcmp
|
|
#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
|
|
#endif
|
|
#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(HAVE_FCNTL_H) || 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
|
|
|
|
#ifndef _POSIX_SOURCE
|
|
#include <sys/param.h>
|
|
#endif
|
|
|
|
/* Get or fake the disk device blocksize.
|
|
Usually defined by sys/param.h (if at all). */
|
|
#if !defined(DEV_BSIZE) && defined(BSIZE)
|
|
#define DEV_BSIZE BSIZE
|
|
#endif
|
|
#if !defined(DEV_BSIZE) && defined(BBSIZE) /* SGI */
|
|
#define DEV_BSIZE BBSIZE
|
|
#endif
|
|
#ifndef DEV_BSIZE
|
|
#define DEV_BSIZE 4096
|
|
#endif
|
|
|
|
/* Extract or fake data from a `struct stat'.
|
|
ST_BLKSIZE: Optimal I/O blocksize for the file, in bytes. */
|
|
#ifndef HAVE_ST_BLKSIZE
|
|
# define ST_BLKSIZE(statbuf) DEV_BSIZE
|
|
#else /* HAVE_ST_BLKSIZE */
|
|
/* 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 /* HAVE_ST_BLKSIZE */
|
|
|
|
#ifndef S_ISLNK
|
|
#define lstat stat
|
|
#endif
|
|
|
|
#ifndef RETSIGTYPE
|
|
#define RETSIGTYPE void
|
|
#endif
|
|
|
|
#include <ctype.h>
|
|
|
|
#ifndef isascii
|
|
#define isascii(c) 1
|
|
#endif
|
|
|
|
#ifdef isblank
|
|
#define ISBLANK(c) (isascii (c) && isblank (c))
|
|
#else
|
|
#define ISBLANK(c) ((c) == ' ' || (c) == '\t')
|
|
#endif
|
|
#ifdef isgraph
|
|
#define ISGRAPH(c) (isascii (c) && isgraph (c))
|
|
#else
|
|
#define ISGRAPH(c) (isascii (c) && isprint (c) && !isspace (c))
|
|
#endif
|
|
|
|
#define ISPRINT(c) (isascii (c) && isprint (c))
|
|
#define ISDIGIT(c) (isascii (c) && isdigit (c))
|
|
#define ISALNUM(c) (isascii (c) && isalnum (c))
|
|
#define ISALPHA(c) (isascii (c) && isalpha (c))
|
|
#define ISCNTRL(c) (isascii (c) && iscntrl (c))
|
|
#define ISLOWER(c) (isascii (c) && islower (c))
|
|
#define ISPUNCT(c) (isascii (c) && ispunct (c))
|
|
#define ISSPACE(c) (isascii (c) && isspace (c))
|
|
#define ISUPPER(c) (isascii (c) && isupper (c))
|
|
#define ISXDIGIT(c) (isascii (c) && isxdigit (c))
|