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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 speedloss. | |
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 | #else | |
63 | #define av_assert2(cond) ((void)0) | |
64 | #endif | |
65 | ||
66 | #endif /* AVUTIL_AVASSERT_H */ |