common.h revision ca86eba8 
1/*
2 * Copyright 2017  Emmanuele Bassi
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24/** @file common.h
25 *
26 * A common header file, used to define macros and shared symbols.
27 */
28
29#ifndef EPOXY_COMMON_H
30#define EPOXY_COMMON_H
31
32#ifdef __cplusplus
33# define EPOXY_BEGIN_DECLS      extern "C" {
34# define EPOXY_END_DECLS        }
35#else
36# define EPOXY_BEGIN_DECLS
37# define EPOXY_END_DECLS
38#endif
39
40#ifndef EPOXY_PUBLIC
41# if defined(_MSC_VER)
42#  define EPOXY_PUBLIC __declspec(dllimport) extern
43# else
44#  define EPOXY_PUBLIC extern
45# endif
46#endif
47
48#if defined(_MSC_VER) && !defined(__bool_true_false_are_defined) && (_MSC_VER < 1800)
49typedef unsigned char bool;
50# define false 0
51# define true 1
52#else
53# include <stdbool.h>
54#endif
55
56EPOXY_BEGIN_DECLS
57
58EPOXY_PUBLIC bool epoxy_extension_in_string(const char *extension_list,
59                                            const char *ext);
60
61EPOXY_END_DECLS
62
63#endif /* EPOXY_COMMON_H */
64