gnu/usr.bin/sort/system.h

   1 /* system-dependent definitions for textutils programs.
   2    Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17 /*
  18  * $DragonFly: src/gnu/usr.bin/sort/system.h,v 1.2 2003/11/09 12:41:16 eirikn Exp $
  19  */
  20 /* Include sys/types.h before this file.  */
  21
  22 #include <sys/stat.h>
  23
  24 #ifdef STAT_MACROS_BROKEN
  25 #undef S_ISBLK
  26 #undef S_ISCHR
  27 #undef S_ISDIR
  28 #undef S_ISFIFO
  29 #undef S_ISLNK
  30 #undef S_ISMPB
  31 #undef S_ISMPC
  32 #undef S_ISNWK
  33 #undef S_ISREG
  34 #undef S_ISSOCK
  35 #endif /* STAT_MACROS_BROKEN.  */
  36
  37 #if !defined(S_ISBLK) && defined(S_IFBLK)
  38 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
  39 #endif
  40 #if !defined(S_ISCHR) && defined(S_IFCHR)
  41 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
  42 #endif
  43 #if !defined(S_ISDIR) && defined(S_IFDIR)
  44 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  45 #endif
  46 #if !defined(S_ISREG) && defined(S_IFREG)
  47 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
  48 #endif
  49 #if !defined(S_ISFIFO) && defined(S_IFIFO)
  50 #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
  51 #endif
  52 #if !defined(S_ISLNK) && defined(S_IFLNK)
  53 #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
  54 #endif
  55 #if !defined(S_ISSOCK) && defined(S_IFSOCK)
  56 #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
  57 #endif
  58 #if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
  59 #define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
  60 #define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
  61 #endif
  62 #if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
  63 #define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
  64 #endif
  65 #if !defined(HAVE_MKFIFO)
  66 #define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
  67 #endif
  68
  69 #ifdef HAVE_UNISTD_H
  70 #include <unistd.h>
  71 #endif
  72
  73 #ifndef _POSIX_VERSION
  74 off_t lseek ();
  75 #endif
  76
  77 #ifndef STDIN_FILENO
  78 #define STDIN_FILENO 0
  79 #endif
  80
  81 #ifndef STDOUT_FILENO
  82 #define STDOUT_FILENO 1
  83 #endif
  84
  85 #ifndef STDERR_FILENO
  86 #define STDERR_FILENO 2
  87 #endif
  88
  89 /* Don't use bcopy!  Use memmove if source and destination may overlap,
  90    memcpy otherwise.  */
  91
  92 #ifdef HAVE_STRING_H
  93 # if !STDC_HEADERS && HAVE_MEMORY_H
  94 #  include <memory.h>
  95 # endif
  96 # include <string.h>
  97 #else
  98 # include <strings.h>
  99 char *memchr ();
 100 #endif
 101
 102 #include <errno.h>
 103 #ifndef errno
 104 extern int errno;
 105 #endif
 106
 107 #ifdef STDC_HEADERS
 108 #include <stdlib.h>
 109 #else
 110 char *getenv ();
 111 #endif
 112
 113 #ifndef EXIT_FAILURE
 114 # define EXIT_FAILURE 1
 115 #endif
 116
 117 #ifndef EXIT_SUCCESS
 118 # define EXIT_SUCCESS 0
 119 #endif
 120
 121 #ifdef HAVE_FCNTL_H
 122 #include <fcntl.h>
 123 #else
 124 #include <sys/file.h>
 125 #endif
 126
 127 #if !defined(SEEK_SET)
 128 #define SEEK_SET 0
 129 #define SEEK_CUR 1
 130 #define SEEK_END 2
 131 #endif
 132
 133 #ifndef _POSIX_SOURCE
 134 #include <sys/param.h>
 135 #endif
 136
 137 /* Get or fake the disk device blocksize.
 138    Usually defined by sys/param.h (if at all).  */
 139 #if !defined(DEV_BSIZE) && defined(BSIZE)
 140 #define DEV_BSIZE BSIZE
 141 #endif
 142 #if !defined(DEV_BSIZE) && defined(BBSIZE) /* SGI */
 143 #define DEV_BSIZE BBSIZE
 144 #endif
 145 #ifndef DEV_BSIZE
 146 #define DEV_BSIZE 4096
 147 #endif
 148
 149 /* Extract or fake data from a `struct stat'.
 150    ST_BLKSIZE: Optimal I/O blocksize for the file, in bytes. */
 151 #ifndef HAVE_ST_BLKSIZE
 152 # define ST_BLKSIZE(statbuf) DEV_BSIZE
 153 #else /* HAVE_ST_BLKSIZE */
 154 /* Some systems, like Sequents, return st_blksize of 0 on pipes. */
 155 # define ST_BLKSIZE(statbuf) ((statbuf).st_blksize > 0 \
 156                                ? (statbuf).st_blksize : DEV_BSIZE)
 157 #endif /* HAVE_ST_BLKSIZE */
 158
 159 #ifndef S_ISLNK
 160 #define lstat stat
 161 #endif
 162
 163 #ifndef RETSIGTYPE
 164 #define RETSIGTYPE void
 165 #endif
 166
 167 #include <ctype.h>
 168
 169 #if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
 170 #define ISASCII(c) 1
 171 #else
 172 #define ISASCII(c) isascii((unsigned char)c)
 173 #endif
 174
 175 #ifdef isblank
 176 #define ISBLANK(c) (ISASCII (c) && isblank ((unsigned char)c))
 177 #else
 178 #define ISBLANK(c) ((c) == ' ' || (c) == '\t')
 179 #endif
 180 #ifdef isgraph
 181 #define ISGRAPH(c) (ISASCII (c) && isgraph ((unsigned char)c))
 182 #else
 183 #define ISGRAPH(c) (ISASCII (c) && isprint ((unsigned char)c) && !isspace ((unsigned char)c))
 184 #endif
 185
 186 #define ISPRINT(c) (ISASCII (c) && isprint ((unsigned char)c))
 187 #define ISDIGIT(c) (ISASCII (c) && isdigit ((unsigned char)c))
 188 #define ISALNUM(c) (ISASCII (c) && isalnum ((unsigned char)c))
 189 #define ISALPHA(c) (ISASCII (c) && isalpha ((unsigned char)c))
 190 #define ISCNTRL(c) (ISASCII (c) && iscntrl ((unsigned char)c))
 191 #define ISLOWER(c) (ISASCII (c) && islower ((unsigned char)c))
 192 #define ISPUNCT(c) (ISASCII (c) && ispunct ((unsigned char)c))
 193 #define ISSPACE(c) (ISASCII (c) && isspace ((unsigned char)c))
 194 #define ISUPPER(c) (ISASCII (c) && isupper ((unsigned char)c))
 195 #define ISXDIGIT(c) (ISASCII (c) && isxdigit ((unsigned char)c))
 196
 197 /* Disable string localization for the time being.  */
 198 #undef _
 199 #define _(String) String
 200