2 * Copyright (c) 1995, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.7 1999-11-30 13:47:12 adam
8 * Improved installation. Moved header files to include/yaz.
10 * Revision 1.6 1997/09/01 08:54:13 adam
11 * New windows NT/95 port using MSV5.0. Made prefix query handling
12 * thread safe. The function options ignores empty arguments when met.
14 * Revision 1.5 1995/12/06 13:00:19 adam
15 * Minus alone not treated as an option.
17 * Revision 1.4 1995/09/29 17:12:35 quinn
20 * Revision 1.3 1995/09/27 15:03:03 quinn
21 * Modified function heads & prototypes.
23 * Revision 1.2 1995/05/16 08:51:13 quinn
24 * License, documentation, and memory fixes
26 * Revision 1.1 1995/03/27 08:35:18 quinn
27 * Created util library
28 * Added memory debugging module. Imported options-manager
30 * Revision 1.2 1994/10/04 17:47:10 adam
31 * Function options now returns arg with error option.
33 * Revision 1.1 1994/08/16 15:57:22 adam
34 * The first utility modules.
39 #include <yaz/options.h>
41 static int arg_no = 1;
42 static int arg_off = 0;
44 int options (const char *desc, char **argv, int argc, char **arg)
52 while (argv[arg_no][0] == '\0')
58 if (argv[arg_no][0] != '-' || argv[arg_no][1] == '\0')
60 *arg = argv[arg_no++];
65 ch = argv[arg_no][arg_off++];
68 int desc_char = desc[i++];
71 { /* string argument */
75 { /* option with argument */
78 if (argv[arg_no][arg_off])
80 *arg = argv[arg_no]+arg_off;
89 *arg = argv[arg_no++];
94 else /* option with no argument */
96 if (argv[arg_no][arg_off])
107 *arg = argv[arg_no]+arg_off-1;