OpenJPEG: opj_malloc.h Source File

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opj_malloc.h
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1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32 #ifndef __OPJ_MALLOC_H
33 #define __OPJ_MALLOC_H
34
43
46 /* ----------------------------------------------------------------------- */
47
53 #ifdef ALLOC_PERF_OPT
54 void * OPJ_CALLCONV opj_malloc(size_t size);
55 #else
56 /* prevent assertion on overflow for MSVC */
57 #ifdef _MSC_VER
58 #define opj_malloc(size) ((size_t)(size) >= (size_t)-0x100 ? NULL : malloc(size))
59 #else
60 #define opj_malloc(size) malloc(size)
61 #endif
62 #endif
63
70 #ifdef ALLOC_PERF_OPT
71 void * OPJ_CALLCONV opj_calloc(size_t _NumOfElements, size_t _SizeOfElements);
72 #else
73 /* prevent assertion on overflow for MSVC */
74 #ifdef _MSC_VER
75 #define opj_calloc(num, size) ((size_t)(num) != 0 && (size_t)(num) >= (size_t)-0x100 / (size_t)(size) ? NULL : calloc(num, size))
76 #else
77 #define opj_calloc(num, size) calloc(num, size)
78 #endif
79 #endif
80
86 /* FIXME: These should be set with cmake tests, but we're currently not requiring use of cmake */
87 #ifdef _WIN32
88 /* Someone should tell the mingw people that their malloc.h ought to provide _mm_malloc() */
89 #ifdef __GNUC__
90 #include <mm_malloc.h>
91 #define HAVE_MM_MALLOC
92 #else /* MSVC, Intel C++ */
93 #include <malloc.h>
94 #ifdef _mm_malloc
95 #define HAVE_MM_MALLOC
96 #endif
97 #endif
98 #else /* Not _WIN32 */
99 #if defined(__sun)
100 #define HAVE_MEMALIGN
101 #elif defined(__FreeBSD__)
102 #define HAVE_POSIX_MEMALIGN
103 /* Linux x86_64 and OSX always align allocations to 16 bytes */
104 #elif !defined(__amd64__) && !defined(__APPLE__) && !defined(_AIX)
105 #define HAVE_MEMALIGN
106 #include <malloc.h>
107 #endif
108 #endif
109
110 #define opj_aligned_malloc(size) malloc(size)
111 #define opj_aligned_free(m) free(m)
112
113 #ifdef HAVE_MM_MALLOC
114 #undef opj_aligned_malloc
115 #define opj_aligned_malloc(size) _mm_malloc(size, 16)
116 #undef opj_aligned_free
117 #define opj_aligned_free(m) _mm_free(m)
118 #endif
119
120 #ifdef HAVE_MEMALIGN
121 extern void* memalign(size_t, size_t);
122 #undef opj_aligned_malloc
123 #define opj_aligned_malloc(size) memalign(16, (size))
124 #undef opj_aligned_free
125 #define opj_aligned_free(m) free(m)
126 #endif
127
128 #ifdef HAVE_POSIX_MEMALIGN
129 #undef opj_aligned_malloc
130 extern int posix_memalign(void**, size_t, size_t);
131
132 static INLINE void* __attribute__ ((malloc)) opj_aligned_malloc(size_t size){
133 void* mem = NULL;
134 posix_memalign(&mem, 16, size);
135 return mem;
136 }
137 #undef opj_aligned_free
138 #define opj_aligned_free(m) free(m)
139 #endif
140
141 #ifdef ALLOC_PERF_OPT
142 #undef opj_aligned_malloc
143 #define opj_aligned_malloc(size) opj_malloc(size)
144 #undef opj_aligned_free
145 #define opj_aligned_free(m) opj_free(m)
146 #endif
147
154 #ifdef ALLOC_PERF_OPT
155 void * OPJ_CALLCONV opj_realloc(void * m, size_t s);
156 #else
157 /* prevent assertion on overflow for MSVC */
158 #ifdef _MSC_VER
159 #define opj_realloc(m, s) ((size_t)(s) >= (size_t)-0x100 ? NULL : realloc(m, s))
160 #else
161 #define opj_realloc(m, s) realloc(m, s)
162 #endif
163 #endif
164
169 #ifdef ALLOC_PERF_OPT
170 void OPJ_CALLCONV opj_free(void * m);
171 #else
172 #define opj_free(m) free(m)
173 #endif
174
175 #ifdef __GNUC__
176 #pragma GCC poison malloc calloc realloc free
177 #endif
178
179 /* ----------------------------------------------------------------------- */
183
184 #endif /* __OPJ_MALLOC_H */
185
memalign
void * memalign(size_t, size_t)
opj_calloc
#define opj_calloc(num, size)
Allocate a memory block with elements initialized to 0.
Definition: opj_malloc.h:77
opj_realloc
#define opj_realloc(m, s)
Reallocate memory blocks.
Definition: opj_malloc.h:161
INLINE
#define INLINE
Definition: openjpeg.h:65
opj_aligned_malloc
#define opj_aligned_malloc(size)
Definition: opj_malloc.h:123
__attribute__
#define __attribute__(x)
Definition: opj_includes.h:107
OPJ_CALLCONV
#define OPJ_CALLCONV
Definition: openjpeg.h:88
opj_malloc
#define opj_malloc(size)
Allocate an uninitialized memory block.
Definition: opj_malloc.h:60
opj_free
#define opj_free(m)
Deallocates or frees a memory block.
Definition: opj_malloc.h:172