blob: 46f3fea58025da83c47d32f6e7f2c0529b56bc3a
1 | /* |
2 | * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at> |
3 | * |
4 | * This file is part of FFmpeg. |
5 | * |
6 | * FFmpeg is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or (at your option) any later version. |
10 | * |
11 | * FFmpeg is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with FFmpeg; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | */ |
20 | |
21 | /** |
22 | * @file |
23 | * simple assert() macros that are a bit more flexible than ISO C assert(). |
24 | * @author Michael Niedermayer <michaelni@gmx.at> |
25 | */ |
26 | |
27 | #ifndef AVUTIL_AVASSERT_H |
28 | #define AVUTIL_AVASSERT_H |
29 | |
30 | #include <stdlib.h> |
31 | #include "avutil.h" |
32 | #include "log.h" |
33 | |
34 | /** |
35 | * assert() equivalent, that is always enabled. |
36 | */ |
37 | #define av_assert0(cond) do { \ |
38 | if (!(cond)) { \ |
39 | av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n", \ |
40 | AV_STRINGIFY(cond), __FILE__, __LINE__); \ |
41 | abort(); \ |
42 | } \ |
43 | } while (0) |
44 | |
45 | |
46 | /** |
47 | * assert() equivalent, that does not lie in speed critical code. |
48 | * These asserts() thus can be enabled without fearing speed loss. |
49 | */ |
50 | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0 |
51 | #define av_assert1(cond) av_assert0(cond) |
52 | #else |
53 | #define av_assert1(cond) ((void)0) |
54 | #endif |
55 | |
56 | |
57 | /** |
58 | * assert() equivalent, that does lie in speed critical code. |
59 | */ |
60 | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1 |
61 | #define av_assert2(cond) av_assert0(cond) |
62 | #define av_assert2_fpu() av_assert0_fpu() |
63 | #else |
64 | #define av_assert2(cond) ((void)0) |
65 | #define av_assert2_fpu() ((void)0) |
66 | #endif |
67 | |
68 | /** |
69 | * Assert that floating point opperations can be executed. |
70 | * |
71 | * This will av_assert0() that the cpu is not in MMX state on X86 |
72 | */ |
73 | void av_assert0_fpu(void); |
74 | |
75 | #endif /* AVUTIL_AVASSERT_H */ |
76 |