blob: 3d392b56b708b3d2d18b66a109f6378fdfc012ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*************************************************************************
* Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension Library is free software; you can redistribute it and/ *
* or modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Library is distributed in the hope that it will be *
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
/**
* @file
* Compiler abstractions.
*/
/**
* @def DMNSN_INLINE
* A portable inline specifier. Expands to the correct method of declaring
* inline functions for the version of C you are using.
*/
#ifndef DMNSN_INLINE
#ifdef __cplusplus
/* C++ inline semantics */
#define DMNSN_INLINE inline
#elif __STDC_VERSION__ >= 199901L
/* C99 inline semantics */
#define DMNSN_INLINE inline
#elif defined(__GNUC__)
/* GCC inline semantics */
#define DMNSN_INLINE __extension__ extern __inline__
#else
/* Unknown C - mark functions static and hope the compiler is smart enough
to inline them */
#define DMNSN_INLINE static
#endif
#endif
/**
* @internal
* @def DMNSN_FUNC
* @brief Expands to the name of the current function
*/
#ifdef __GNUC__
#define DMNSN_FUNC __PRETTY_FUNCTION__
#elif __STDC_VERSION__ >= 199901L
#define DMNSN_FUNC __func__
#else
#define DMNSN_FUNC "<unknown function>"
#endif
/**
* @internal
* An unreachable statement.
*/
#ifdef __GNUC__
#define DMNSN_UNREACHABLE() __builtin_unreachable()
#else
#define DMNSN_UNREACHABLE() ((void)0)
#endif
/**
* @internal
* Whether C99 features are supported.
*/
#define DMNSN_C99 (__STDC_VERSION__ >= 199901L || __cplusplus >= 201103L)
|
