1 /*	$NetBSD: getarg.h,v 1.2 2017/01/28 21:31:50 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 /* Id */
37 
38 #ifndef __GETARG_H__
39 #define __GETARG_H__
40 
41 #include <stddef.h>
42 
43 #ifndef ROKEN_LIB_FUNCTION
44 #ifdef _WIN32
45 #define ROKEN_LIB_FUNCTION
46 #define ROKEN_LIB_CALL     __cdecl
47 #else
48 #define ROKEN_LIB_FUNCTION
49 #define ROKEN_LIB_CALL
50 #endif
51 #endif
52 
53 struct getargs{
54     const char *long_name;
55     char short_name;
56     enum { arg_integer,
57 	   arg_string,
58 	   arg_flag,
59 	   arg_negative_flag,
60 	   arg_strings,
61 	   arg_double,
62 	   arg_collect,
63 	   arg_counter
64     } type;
65     void *value;
66     const char *help;
67     const char *arg_help;
68 };
69 
70 enum {
71     ARG_ERR_NO_MATCH  = 1,
72     ARG_ERR_BAD_ARG,
73     ARG_ERR_NO_ARG
74 };
75 
76 typedef struct getarg_strings {
77     int num_strings;
78     char **strings;
79 } getarg_strings;
80 
81 typedef int (*getarg_collect_func)(int short_opt,
82 				   int argc,
83 				   char **argv,
84 				   int *goptind,
85 				   int *goptarg,
86 				   void *data);
87 
88 typedef struct getarg_collect_info {
89     getarg_collect_func func;
90     void *data;
91 } getarg_collect_info;
92 
93 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
94 getarg(struct getargs *args, size_t num_args,
95        int argc, char **argv, int *goptind);
96 
97 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
98 arg_printusage (struct getargs *args,
99 		size_t num_args,
100 		const char *progname,
101 		const char *extra_string);
102 
103 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
104 arg_printusage_i18n (struct getargs *args,
105 		     size_t num_args,
106 		     const char *usage,
107 		     const char *progname,
108 		     const char *extra_string,
109 		     char *(*i18n)(const char *));
110 
111 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
112 free_getarg_strings (getarg_strings *);
113 
114 #endif /* __GETARG_H__ */
115