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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 9169 | turbocat | 1 | /* |
| 2 | * OpenTyrian: A modern cross-platform port of Tyrian |
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| 3 | * Copyright (C) 2007-2009 The OpenTyrian Development Team |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or |
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| 6 | * modify it under the terms of the GNU General Public License |
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| 7 | * as published by the Free Software Foundation; either version 2 |
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| 8 | * of the License, or (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 18 | */ |
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| 19 | #ifndef ARG_PARSE_H |
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| 20 | #define ARG_PARSE_H |
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| 21 | |||
| 22 | #include |
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| 23 | |||
| 24 | // this is essentially a reimplementation of getopt_long() |
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| 25 | |||
| 26 | typedef struct |
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| 27 | { |
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| 28 | int value; |
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| 29 | char short_opt; |
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| 30 | const char *long_opt; |
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| 31 | bool has_arg; |
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| 32 | } |
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| 33 | Options; |
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| 34 | |||
| 35 | enum |
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| 36 | { |
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| 37 | // indicates that argv[argn..argc) are not options |
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| 38 | NOT_OPTION = 0, |
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| 39 | |||
| 40 | /* behavior of parse_args() is undefined after |
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| 41 | it has returned any of the following values */ |
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| 42 | INVALID_OPTION = -1, |
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| 43 | AMBIGUOUS_OPTION = -2, |
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| 44 | OPTION_MISSING_ARG = -3 |
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| 45 | }; |
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| 46 | |||
| 47 | typedef struct |
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| 48 | { |
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| 49 | int value; |
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| 50 | const char *arg; |
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| 51 | |||
| 52 | int argn; |
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| 53 | } |
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| 54 | Option; |
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| 55 | |||
| 56 | Option parse_args( int argc, const char *argv[], const Options *options ); |
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| 57 | |||
| 58 | #endif /* ARG_PARSE_H */ |