1 /* 2 * Copyright (c) 1997 - 2002 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /* $Id: getarg.h,v 1.12 2002/04/18 08:50:08 joda Exp $ */ 35 36 #ifndef __GETARG_H__ 37 #define __GETARG_H__ 38 39 #include <stddef.h> 40 41 struct getargs{ 42 const char *long_name; 43 char short_name; 44 enum { arg_integer, 45 arg_string, 46 arg_flag, 47 arg_negative_flag, 48 arg_strings, 49 arg_double, 50 arg_collect, 51 arg_counter 52 } type; 53 void *value; 54 const char *help; 55 const char *arg_help; 56 }; 57 58 enum { 59 ARG_ERR_NO_MATCH = 1, 60 ARG_ERR_BAD_ARG, 61 ARG_ERR_NO_ARG 62 }; 63 64 typedef struct getarg_strings { 65 int num_strings; 66 char **strings; 67 } getarg_strings; 68 69 typedef int (*getarg_collect_func)(int short_opt, 70 int argc, 71 char **argv, 72 int *goptind, 73 int *goptarg, 74 void *data); 75 76 typedef struct getarg_collect_info { 77 getarg_collect_func func; 78 void *data; 79 } getarg_collect_info; 80 81 int getarg(struct getargs *args, size_t num_args, 82 int argc, char **argv, int *goptind); 83 84 void arg_printusage (struct getargs *args, 85 size_t num_args, 86 const char *progname, 87 const char *extra_string); 88 89 void free_getarg_strings (getarg_strings *); 90 91 #endif /* __GETARG_H__ */ 92