| /* |
| * 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 |