1/*
2 * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
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/* $Id$ */
35
36#ifndef __GETARG_H__
37#define __GETARG_H__
38
39#include <stddef.h>
40
41#ifndef ROKEN_LIB_FUNCTION
42#ifdef _WIN32
43#define ROKEN_LIB_FUNCTION
44#define ROKEN_LIB_CALL     __cdecl
45#else
46#define ROKEN_LIB_FUNCTION
47#define ROKEN_LIB_CALL
48#endif
49#endif
50
51struct getargs{
52    const char *long_name;
53    char short_name;
54    enum { arg_integer,
55	   arg_string,
56	   arg_flag,
57	   arg_negative_flag,
58	   arg_strings,
59	   arg_double,
60	   arg_collect,
61	   arg_counter
62    } type;
63    void *value;
64    const char *help;
65    const char *arg_help;
66};
67
68enum {
69    ARG_ERR_NO_MATCH  = 1,
70    ARG_ERR_BAD_ARG,
71    ARG_ERR_NO_ARG
72};
73
74typedef struct getarg_strings {
75    int num_strings;
76    char **strings;
77} getarg_strings;
78
79typedef int (*getarg_collect_func)(int short_opt,
80				   int argc,
81				   char **argv,
82				   int *goptind,
83				   int *goptarg,
84				   void *data);
85
86typedef struct getarg_collect_info {
87    getarg_collect_func func;
88    void *data;
89} getarg_collect_info;
90
91ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
92getarg(struct getargs *args, size_t num_args,
93       int argc, char **argv, int *goptind);
94
95ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
96arg_printusage (struct getargs *args,
97		size_t num_args,
98		const char *progname,
99		const char *extra_string);
100
101ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
102arg_printusage_i18n (struct getargs *args,
103		     size_t num_args,
104		     const char *usage,
105		     const char *progname,
106		     const char *extra_string,
107		     char *(*i18n)(const char *));
108
109ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
110free_getarg_strings (getarg_strings *);
111
112#endif /* __GETARG_H__ */
113