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Diffstat (limited to 'apps/codecs/libcook/libavutil/mem.h')
-rw-r--r-- | apps/codecs/libcook/libavutil/mem.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/apps/codecs/libcook/libavutil/mem.h b/apps/codecs/libcook/libavutil/mem.h new file mode 100644 index 0000000000..e50553aefe --- /dev/null +++ b/apps/codecs/libcook/libavutil/mem.h | |||
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1 | /* | ||
2 | * copyright (c) 2006 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 libavutil/mem.h | ||
23 | * memory handling functions | ||
24 | */ | ||
25 | |||
26 | #ifndef AVUTIL_MEM_H | ||
27 | #define AVUTIL_MEM_H | ||
28 | |||
29 | #include "common.h" | ||
30 | |||
31 | #if AV_GCC_VERSION_AT_LEAST(3,1) | ||
32 | #define av_malloc_attrib __attribute__((__malloc__)) | ||
33 | #else | ||
34 | #define av_malloc_attrib | ||
35 | #endif | ||
36 | |||
37 | #if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3) | ||
38 | #define av_alloc_size(n) __attribute__((alloc_size(n))) | ||
39 | #else | ||
40 | #define av_alloc_size(n) | ||
41 | #endif | ||
42 | |||
43 | /** | ||
44 | * Allocates a block of \p size bytes with alignment suitable for all | ||
45 | * memory accesses (including vectors if available on the CPU). | ||
46 | * @param size Size in bytes for the memory block to be allocated. | ||
47 | * @return Pointer to the allocated block, NULL if the block cannot | ||
48 | * be allocated. | ||
49 | * @see av_mallocz() | ||
50 | */ | ||
51 | void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1); | ||
52 | |||
53 | /** | ||
54 | * Allocates or reallocates a block of memory. | ||
55 | * If \p ptr is NULL and \p size > 0, allocates a new block. If \p | ||
56 | * size is zero, frees the memory block pointed to by \p ptr. | ||
57 | * @param size Size in bytes for the memory block to be allocated or | ||
58 | * reallocated. | ||
59 | * @param ptr Pointer to a memory block already allocated with | ||
60 | * av_malloc(z)() or av_realloc() or NULL. | ||
61 | * @return Pointer to a newly reallocated block or NULL if the block | ||
62 | * cannot be reallocated or the function is used to free the memory block. | ||
63 | * @see av_fast_realloc() | ||
64 | */ | ||
65 | void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2); | ||
66 | |||
67 | /** | ||
68 | * Frees a memory block which has been allocated with av_malloc(z)() or | ||
69 | * av_realloc(). | ||
70 | * @param ptr Pointer to the memory block which should be freed. | ||
71 | * @note ptr = NULL is explicitly allowed. | ||
72 | * @note It is recommended that you use av_freep() instead. | ||
73 | * @see av_freep() | ||
74 | */ | ||
75 | void av_free(void *ptr); | ||
76 | |||
77 | /** | ||
78 | * Allocates a block of \p size bytes with alignment suitable for all | ||
79 | * memory accesses (including vectors if available on the CPU) and | ||
80 | * zeroes all the bytes of the block. | ||
81 | * @param size Size in bytes for the memory block to be allocated. | ||
82 | * @return Pointer to the allocated block, NULL if it cannot be allocated. | ||
83 | * @see av_malloc() | ||
84 | */ | ||
85 | void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1); | ||
86 | |||
87 | /** | ||
88 | * Duplicates the string \p s. | ||
89 | * @param s string to be duplicated | ||
90 | * @return Pointer to a newly allocated string containing a | ||
91 | * copy of \p s or NULL if the string cannot be allocated. | ||
92 | */ | ||
93 | char *av_strdup(const char *s) av_malloc_attrib; | ||
94 | |||
95 | /** | ||
96 | * Frees a memory block which has been allocated with av_malloc(z)() or | ||
97 | * av_realloc() and set the pointer pointing to it to NULL. | ||
98 | * @param ptr Pointer to the pointer to the memory block which should | ||
99 | * be freed. | ||
100 | * @see av_free() | ||
101 | */ | ||
102 | void av_freep(void *ptr); | ||
103 | |||
104 | #endif /* AVUTIL_MEM_H */ | ||