OpenJPEG 1.5.2
opj_malloc.h
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1/*
2 * Copyright (c) 2005, Herve Drolon, FreeImage Team
3 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27#ifndef __OPJ_MALLOC_H
28#define __OPJ_MALLOC_H
35
38
41/* ----------------------------------------------------------------------- */
42
48#ifdef ALLOC_PERF_OPT
49void * OPJ_CALLCONV opj_malloc(size_t size);
50#else
51#define opj_malloc(size) malloc(size)
52#endif
53
60#ifdef ALLOC_PERF_OPT
61void * OPJ_CALLCONV opj_calloc(size_t _NumOfElements, size_t _SizeOfElements);
62#else
63#define opj_calloc(num, size) calloc(num, size)
64#endif
65
71/* FIXME: These should be set with cmake tests, but we're currently not requiring use of cmake */
72#ifdef _WIN32
73 /* Someone should tell the mingw people that their malloc.h ought to provide _mm_malloc() */
74 #ifdef __GNUC__
75 #include <mm_malloc.h>
76 #define HAVE_MM_MALLOC
77 #else /* MSVC, Intel C++ */
78 #include <malloc.h>
79 #ifdef _mm_malloc
80 #define HAVE_MM_MALLOC
81 #endif
82 #endif
83#else /* Not _WIN32 */
84 #if defined(__sun)
85 #define HAVE_MEMALIGN
86 #elif defined(__FreeBSD__)
87 #define HAVE_POSIX_MEMALIGN
88 /* Linux x86_64 and OSX always align allocations to 16 bytes */
89 #elif !defined(__amd64__) && !defined(__APPLE__) && !defined(_AIX)
90 #define HAVE_MEMALIGN
91 #include <malloc.h>
92 #endif
93#endif
94
95#define opj_aligned_malloc(size) malloc(size)
96#define opj_aligned_free(m) free(m)
97
98#ifdef HAVE_MM_MALLOC
99 #undef opj_aligned_malloc
100 #define opj_aligned_malloc(size) _mm_malloc(size, 16)
101 #undef opj_aligned_free
102 #define opj_aligned_free(m) _mm_free(m)
103#endif
104
105#ifdef HAVE_MEMALIGN
106 extern void* memalign(size_t, size_t);
107 #undef opj_aligned_malloc
108 #define opj_aligned_malloc(size) memalign(16, (size))
109 #undef opj_aligned_free
110 #define opj_aligned_free(m) free(m)
111#endif
112
113#ifdef HAVE_POSIX_MEMALIGN
114 #undef opj_aligned_malloc
115 extern int posix_memalign(void**, size_t, size_t);
116
117 static INLINE void* __attribute__ ((malloc)) opj_aligned_malloc(size_t size){
118 void* mem = NULL;
119 posix_memalign(&mem, 16, size);
120 return mem;
121 }
122 #undef opj_aligned_free
123 #define opj_aligned_free(m) free(m)
124#endif
125
126#ifdef ALLOC_PERF_OPT
127 #undef opj_aligned_malloc
128 #define opj_aligned_malloc(size) opj_malloc(size)
129 #undef opj_aligned_free
130 #define opj_aligned_free(m) opj_free(m)
131#endif
132
139#ifdef ALLOC_PERF_OPT
140void * OPJ_CALLCONV opj_realloc(void * m, size_t s);
141#else
142#define opj_realloc(m, s) realloc(m, s)
143#endif
144
149#ifdef ALLOC_PERF_OPT
150void OPJ_CALLCONV opj_free(void * m);
151#else
152#define opj_free(m) free(m)
153#endif
154
155#ifdef __GNUC__
156#pragma GCC poison malloc calloc realloc free
157#endif
158
159/* ----------------------------------------------------------------------- */
161
163
164#endif /* __OPJ_MALLOC_H */
165
#define OPJ_CALLCONV
Definition openjpeg.h:45
#define INLINE
Definition opj_includes.h:75
#define __attribute__(x)
Definition opj_includes.h:59
#define opj_calloc(num, size)
Allocate a memory block with elements initialized to 0.
Definition opj_malloc.h:63
void * memalign(size_t, size_t)
#define opj_realloc(m, s)
Reallocate memory blocks.
Definition opj_malloc.h:142
#define opj_aligned_malloc(size)
Definition opj_malloc.h:95
#define opj_free(m)
Deallocates or frees a memory block.
Definition opj_malloc.h:152
#define opj_malloc(size)
Allocate an uninitialized memory block.
Definition opj_malloc.h:51