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/*
* Generic Options Support Header File
*
* Copyright (c) 2001 Stanislav Karchebny <berk@madfire.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef YASM_OPTIONS_H
#define YASM_OPTIONS_H
/* an option structure
* operate on either -sopt, --lopt, -sopt <val> or --lopt=<val>
*/
typedef struct opt_option_s
{
/* short option letter if present, 0 otherwise */
char sopt;
/* long option name if present, NULL otherwise */
/*@null@*/ const char *lopt;
/* !=0 if option requires parameter, 0 if not */
int takes_param;
int (*handler) (char *cmd, /*@null@*/ char *param, int extra);
int extra; /* extra value for handler */
/* description to use in help_msg() */
/*@observer@*/ const char *description;
/* optional description for the param taken (NULL if not present) */
/* (short - will be printed after option sopt/lopt) */
/*@observer@*/ /*@null@*/ const char *param_desc;
} opt_option;
/* handle everything that is not an option */
int not_an_option_handler(char *param);
/* handle possibly other special-case options; no parameters allowed */
int other_option_handler(char *option);
/* parse command line calling handlers when appropriate
* argc, argv - pass directly from main(argc,argv)
* options - array of options
* nopts - options count
*/
int parse_cmdline(int argc, char **argv, opt_option *options, size_t nopts,
void (*print_error) (const char *fmt, ...));
/* display help message msg followed by list of options in options and followed
* by tail
*/
void help_msg(const char *msg, const char *tail, opt_option *options,
size_t nopts);
#endif
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