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/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (getopt.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __LIBRETRO_SDK_COMPAT_GETOPT_H
#define __LIBRETRO_SDK_COMPAT_GETOPT_H
#if defined(RARCH_INTERNAL) && defined(HAVE_CONFIG_H)
#include "../../../config.h"
#endif
/**
* @file getopt.h
*
* Portable reimplementation of a subset of libc's \c getopt_long.
* Not designed to be fully compatible,
* but it's enough for RetroArch's purposes.
*
* If \c getopt_long is available (as determined by \c HAVE_GETOPT_LONG), it will be used instead.
*
* @see https://man7.org/linux/man-pages/man3/getopt.3.html
*/
#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#else
/* Avoid possible naming collisions during link since we
* prefer to use the actual name. */
#define getopt_long(argc, argv, optstring, longopts, longindex) __getopt_long_retro(argc, argv, optstring, longopts, longindex)
#include <retro_common_api.h>
RETRO_BEGIN_DECLS
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;
RETRO_END_DECLS
/* If these are variously #defined, then we have bigger problems */
#ifndef no_argument
#define no_argument 0
#define required_argument 1
#define optional_argument 2
#endif
/* HAVE_GETOPT_LONG */
#endif
/* pragma once */
#endif
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