1 /* 2 * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Kungliga Tekniska 20 * H�gskolan and its contributors. 21 * 22 * 4. Neither the name of the Institute nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 /* $Id: getarg.h,v 1.5 1998/08/18 20:26:11 assar Exp $ */ 40 41 #ifndef __GETARG_H__ 42 #define __GETARG_H__ 43 44 #include <stddef.h> 45 46 #define max(a,b) (((a)>(b))?(a):(b)) 47 48 struct getargs{ 49 const char *long_name; 50 char short_name; 51 enum { arg_integer, arg_string, arg_flag, arg_negative_flag, arg_strings } type; 52 void *value; 53 const char *help; 54 const char *arg_help; 55 }; 56 57 enum { 58 ARG_ERR_NO_MATCH = 1, 59 ARG_ERR_BAD_ARG, 60 ARG_ERR_NO_ARG 61 }; 62 63 typedef struct getarg_strings { 64 int num_strings; 65 char **strings; 66 } getarg_strings; 67 68 int getarg(struct getargs *args, size_t num_args, 69 int argc, char **argv, int *optind); 70 71 void arg_printusage (struct getargs *args, 72 size_t num_args, 73 const char *progname, 74 const char *extra_string); 75 76 #endif /* __GETARG_H__ */ 77