xref: /freebsd/crypto/heimdal/lib/roken/getarg.h (revision 57718be8fa0bd5edc11ab9a72e68cc71982939a6)
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 
51 struct 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 
68 enum {
69     ARG_ERR_NO_MATCH  = 1,
70     ARG_ERR_BAD_ARG,
71     ARG_ERR_NO_ARG
72 };
73 
74 typedef struct getarg_strings {
75     int num_strings;
76     char **strings;
77 } getarg_strings;
78 
79 typedef int (*getarg_collect_func)(int short_opt,
80 				   int argc,
81 				   char **argv,
82 				   int *goptind,
83 				   int *goptarg,
84 				   void *data);
85 
86 typedef struct getarg_collect_info {
87     getarg_collect_func func;
88     void *data;
89 } getarg_collect_info;
90 
91 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
92 getarg(struct getargs *args, size_t num_args,
93        int argc, char **argv, int *goptind);
94 
95 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
96 arg_printusage (struct getargs *args,
97 		size_t num_args,
98 		const char *progname,
99 		const char *extra_string);
100 
101 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
102 arg_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 
109 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
110 free_getarg_strings (getarg_strings *);
111 
112 #endif /* __GETARG_H__ */
113