contrib/grep/src/system.h

   1 /* Portability cruft.  Include after config.h and sys/types.h.
   2    Copyright 1996, 1998-2000, 2007, 2009-2014 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 3, 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., 51 Franklin Street - Fifth Floor, Boston, MA
  17    02110-1301, USA.  */
  18
  19 #ifndef GREP_SYSTEM_H
  20 #define GREP_SYSTEM_H 1
  21
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <errno.h>
  25
  26 #include "binary-io.h"
  27 #include "configmake.h"
  28 #include "dirname.h"
  29 #include "minmax.h"
  30 #include "same-inode.h"
  31
  32 #include <stdlib.h>
  33 #include <stddef.h>
  34 #include <limits.h>
  35 #include <string.h>
  36 #include <ctype.h>
  37
  38 enum { EXIT_TROUBLE = 2 };
  39
  40 #include <gettext.h>
  41 #define N_(String) gettext_noop(String)
  42 #define _(String) gettext(String)
  43
  44 #include <locale.h>
  45
  46 #ifndef initialize_main
  47 # define initialize_main(argcp, argvp)
  48 #endif
  49
  50 #include "unlocked-io.h"
  51
  52 #define STREQ(a, b) (strcmp (a, b) == 0)
  53
  54 /* Convert a possibly-signed character to an unsigned character.  This is
  55    a bit safer than casting to unsigned char, since it catches some type
  56    errors that the cast doesn't.  */
  57 static inline unsigned char
  58 to_uchar (char ch)
  59 {
  60   return ch;
  61 }
  62
  63 #endif