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