RetroArch/compat/getopt_rarch.h
2012-04-21 23:33:35 +02:00

58 lines
1.7 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_GETOPT_H
#define __RARCH_GETOPT_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
// Custom implementation of the GNU getopt_long for portability.
// Not designed to be fully compatible,
// but compatible with the features RetroArch uses.
#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#else
// Avoid possible naming collitions during link since we prefer to use the actual name.
#define getopt_long(argc, argv, optstring, longopts, longindex) __getopt_long_ssnes(argc, argv, optstring, longopts, longindex)
#ifdef __cplusplus
extern "C" {
#endif
struct option
{
const char *name;
int has_arg;
int *flag;
int val;
};
// argv[] is declared with char * const argv[] in GNU,
// but this makes no sense, as non-POSIX getopt_long mutates argv (non-opts are moved to the end).
int getopt_long(int argc, char *argv[],
const char *optstring, const struct option *longopts, int *longindex);
extern char *optarg;
extern int optind, opterr, optopt;
#ifdef __cplusplus
}
#endif
#endif
#endif