forked from KolibriOS/kolibrios
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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/*
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* OpenTyrian: A modern cross-platform port of Tyrian
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* Copyright (C) 2007-2009 The OpenTyrian Development Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef ARG_PARSE_H
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#define ARG_PARSE_H
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#include <stdbool.h>
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// this is essentially a reimplementation of getopt_long()
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typedef struct
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{
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int value;
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char short_opt;
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const char *long_opt;
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bool has_arg;
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}
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Options;
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enum
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{
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// indicates that argv[argn..argc) are not options
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NOT_OPTION = 0,
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/* behavior of parse_args() is undefined after
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it has returned any of the following values */
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INVALID_OPTION = -1,
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AMBIGUOUS_OPTION = -2,
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OPTION_MISSING_ARG = -3
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};
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typedef struct
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{
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int value;
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const char *arg;
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int argn;
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}
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Option;
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Option parse_args( int argc, const char *argv[], const Options *options );
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#endif /* ARG_PARSE_H */
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