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view lwlib/lw_cmdline.h @ 393:f2decd9b276d
Fix minor error in string parsing
Growing a buffer by 32 bytes and then only saying the buffer grew by one
byte is not exactly efficient. While not strictly broken, it's dumb. Fix it
to actually count the 32 bytes.
author | William Astle <lost@l-w.ca> |
---|---|
date | Tue, 14 Jul 2015 23:12:24 -0600 |
parents | 8e25147c2aa8 |
children |
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/* lw_cmdline.h Copyright © 2010 William Astle This file is part of LWTOOLS. LWTOOLS 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, either version 3 of the License, or (at your option) any later version. 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, see <http://www.gnu.org/licenses/>. */ /* This argument parser is patterned after argp from the gnu C library but has much of the functionality removed. It is provided here because not every system has glibc. Most notably, it does not support option groups or i18n. */ #ifndef ___lw_cmdline_h_seen___ #define ___lw_cmdline_h_seen___ struct lw_cmdline_options { char *name; int key; char *arg; int flags; char *doc; }; enum { lw_cmdline_opt_optional = 1, lw_cmdline_opt_hidden = 2, /* lw_cmdline_opt_alias = 4,*/ /* lw_cmdline_opt_nousage = 0x10,*/ lw_cmdline_opt_doc = 0x80 }; enum { lw_cmdline_err_unknown = -1 }; enum { lw_cmdline_key_arg = -1, lw_cmdline_key_end = 0 }; struct lw_cmdline_parser { struct lw_cmdline_options *options; int (*parser)(int key, char *arg, void *input); char *args_doc; char *doc; char *program_version; }; int lw_cmdline_parse(struct lw_cmdline_parser *parser, int argc, char **argv, unsigned flags, int *arg_index, void *input); #endif /* ___lw_cmdline_h_seen___ */