wmnotify/src/common.h

   1 /*
   2  * common.h
   3  *
   4  * Copyright (C) 2003 Hugo Villeneuve <hugo@hugovil.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef COMMON_H
  22 #define COMMON_H 1
  23
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <stdbool.h>
  28 #include <errno.h>
  29
  30 #if STDC_HEADERS
  31 #  include <string.h>
  32 #elif HAVE_STRINGS_H
  33 #  include <strings.h>
  34 #endif
  35
  36
  37 /* Common constants. */
  38 #ifndef EXIT_SUCCESS
  39 #  define EXIT_SUCCESS 0
  40 #  define EXIT_FAILURE 1
  41 #endif
  42
  43 /* Returns TRUE if the strings 'a' and 'b' are equal. */
  44 #define STREQ(a, b) (strcmp((a), (b)) == 0)
  45
  46 /* Returns TRUE if the first 'c' characters of strings 'a' and 'b' are equal. */
  47 #define STREQ_LEN(a, b, c) (strncmp((a), (b), (c)) == 0)
  48
  49
  50 inline void
  51 ErrorLocation( const char *file, int line );
  52
  53 /*@out@*/ /*@only@*/
  54 void *
  55 xmalloc( size_t size, const char *filename, int line_number );
  56
  57
  58 #endif /* COMMON_H */