RetroArch/compat/getopt_rarch.h

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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* 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.
*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
*/
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#ifndef __RARCH_GETOPT_H
#define __RARCH_GETOPT_H
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
// Custom implementation of the GNU getopt_long for portability.
// Not designed to be fully compatible,
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// but compatible with the features RetroArch uses.
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#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#else
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// Avoid possible naming collisions during link since we prefer to use the actual name.
#define getopt_long(argc, argv, optstring, longopts, longindex) __getopt_long_rarch(argc, argv, optstring, longopts, longindex)
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#ifdef __cplusplus
extern "C" {
#endif
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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;
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#ifdef __cplusplus
}
#endif
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#endif
#endif