xref: /netbsd-src/lib/libc/citrus/citrus_prop.h (revision dd745abb628fe70c666c062774d70e7d44cb2e5e)
1 /* $NetBSD: citrus_prop.h,v 1.6 2014/06/24 22:24:18 spz Exp $ */
2 
3 /*-
4  * Copyright (c)2006 Citrus Project,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  */
29 
30 #ifndef _CITRUS_PROP_H_
31 #define _CITRUS_PROP_H_
32 
33 typedef enum {
34 	_CITRUS_PROP_BOOL = 0,
35 	_CITRUS_PROP_STR  = 1,
36 	_CITRUS_PROP_CHR  = 2,
37 	_CITRUS_PROP_NUM  = 3,
38 } _citrus_prop_type_t;
39 
40 typedef struct _citrus_prop_hint_t _citrus_prop_hint_t;
41 
42 #define _CITRUS_PROP_CB0_T(_func_, _type_) \
43 typedef int (*_citrus_prop_##_func_##_cb_func_t) \
44 	(void * __restrict, const char *, _type_); \
45 typedef struct { \
46 	_citrus_prop_##_func_##_cb_func_t func; \
47 } _citrus_prop_##_func_##_cb_t;
48 _CITRUS_PROP_CB0_T(boolean, int)
49 _CITRUS_PROP_CB0_T(str, const char *)
50 #undef _CITRUS_PROP_CB0_T
51 
52 #define _CITRUS_PROP_CB1_T(_func_, _type_) \
53 typedef int (*_citrus_prop_##_func_##_cb_func_t) \
54 	(void * __restrict, const char *, _type_, _type_); \
55 typedef struct { \
56 	_citrus_prop_##_func_##_cb_func_t func; \
57 } _citrus_prop_##_func_##_cb_t;
58 _CITRUS_PROP_CB1_T(chr, int)
59 _CITRUS_PROP_CB1_T(num, uint64_t)
60 #undef _CITRUS_PROP_CB1_T
61 
62 struct _citrus_prop_hint_t {
63 	const char *name;
64 	_citrus_prop_type_t type;
65 #define _CITRUS_PROP_CB_T_OPS(_name_) \
66 	_citrus_prop_##_name_##_cb_t _name_
67 	union {
68 		_CITRUS_PROP_CB_T_OPS(boolean);
69 		_CITRUS_PROP_CB_T_OPS(str);
70 		_CITRUS_PROP_CB_T_OPS(chr);
71 		_CITRUS_PROP_CB_T_OPS(num);
72 	} cb;
73 };
74 
75 #define _CITRUS_PROP_HINT_BOOL(name, cb) \
76 	{ name, _CITRUS_PROP_BOOL, { .boolean = { cb } } }
77 #define _CITRUS_PROP_HINT_STR(name, cb) \
78 	{ name, _CITRUS_PROP_STR, { .str = { cb } } }
79 #define _CITRUS_PROP_HINT_CHR(name, cb) \
80 	{ name, _CITRUS_PROP_CHR, { .chr = { cb } } }
81 #define _CITRUS_PROP_HINT_NUM(name, cb) \
82 	{ name, _CITRUS_PROP_NUM, { .num = { cb } } }
83 #define _CITRUS_PROP_HINT_END \
84 	{ .name = NULL }
85 
86 __BEGIN_DECLS
87 int _citrus_prop_parse_variable(const _citrus_prop_hint_t * __restrict,
88 	void * __restrict, const void *, size_t);
89 __END_DECLS
90 
91 #endif /* !_CITRUS_PROP_H_ */
92