system.h

/* Shared definitions for Free wdiff.
   Copyright (C) 1994, 1997, 1998 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#if HAVE_CONFIG_H
# include <config.h>
#endif

#if __STDC__
# define voidstar void *
#else
# define voidstar char *
#endif

#ifdef STDC_HEADERS
# include <stdlib.h>
#else
char *getenv ();
#endif

/* Some systems do not define EXIT_*, even with STDC_HEADERS.  */
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif

/* Other header files.  */

#include <sys/types.h>
#include <stdio.h>

#include <errno.h>
#ifndef errno
extern int errno;
#endif

/* Small library functions.  */

#ifndef PARAMS
# if PROTOTYPES
#  define PARAMS(Args) Args
# else
#  define PARAMS(Args) ()
# endif
#endif

#if HAVE_LOCALE_H
# include <locale.h>
#else
# define setlocale(Category, Locale)
#endif

#if ENABLE_NLS
# include <libintl.h>
# define _(Text) gettext (Text)
#else
# define _(Text) (Text)
#endif

voidstar xmalloc PARAMS ((size_t));
voidstar xrealloc PARAMS ((voidstar, size_t));
voidstar xstrdup PARAMS ((const char *));

/* Debugging the memory allocator.  */

#if WITH_DMALLOC
# define MALLOC_FUNC_CHECK
# include <dmalloc.h>
#endif