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/* argparser.c -- Simple argument parser - inspired by getopt, but simpler
*
* GPLv2 only - Copyright (C) 2008 - 2010
* David Sommerseth <dazo@users.sourceforge.net>
*
* 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; version 2
* of the License.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/**
* @file argparser.h
* @author David Sommerseth <dazo@users.sourceforge.net>
* @date 2008-12-04
*
* @brief A simple argument parser, inspired by getopt.
*
*/
#ifndef EUREPHIA__ARGPARSE_H
#define EUREPHIA__ARGPARSE_H
#ifndef ARGPARSER_C
# ifndef MODULE
# error To use the argparser, you must define MODULE (string)
# endif
#endif
#define MAX_ARGUMENTS 64 /**< Defines the maximum arguments the parsers handles */
/**
* Contains the valid short and long argument definition, in addition to number of options
* the current argument takes.
*/
typedef struct {
char *longarg; /**< char* containing the valid long argument */
char *shortarg; /**< char* containing the short argument */
int param; /**< int containing the number of parameters this argument takes */
} e_options; /**< The long and short arguments must contain the leading '-' character(s) */
extern char *optargs[MAX_ARGUMENTS]; /**< Contains the parameters of an argument, if param > 0 */
int _eurephia_getopt(const char *module, int *curarg, int argc, char **argv, e_options *argopts);
/**
* Parses an argument and prepares the char **optargs array with parameters to the arguments.
* Macro for the internal _eurephia_getopt(), which automatically sets the const char *module
* parameter.
*
* @param ca pointer to the argument index counter which gets updated during parsing.
* @param ac Input argument counter
* @param av Input argument array (char **)
* @param opts e_options struct array containing valid argument
*
* @return returns the short arg value on success, or -1 on failure.
*/
#define eurephia_getopt(ca, ac, av, opts) _eurephia_getopt(MODULE, ca, ac, av, opts)
size_t eurephia_arraycp(int stidx, int inargc, char **inargv, char **outargv, size_t outsize);
#endif
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