/*
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
* All rights reserved.
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef __OPJ_MALLOC_H
-#define __OPJ_MALLOC_H
+#ifndef OPJ_MALLOC_H
+#define OPJ_MALLOC_H
+
+#include <stddef.h>
/**
@file opj_malloc.h
@brief Internal functions
@param size Bytes to allocate
@return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
*/
-#ifdef ALLOC_PERF_OPT
-void * OPJ_CALLCONV opj_malloc(size_t size);
-#else
-/* prevent assertion on overflow for MSVC */
-#ifdef _MSC_VER
-#define opj_malloc(size) ((size_t)(size) >= (size_t)-0x100 ? NULL : malloc(size))
-#else
-#define opj_malloc(size) malloc(size)
-#endif
-#endif
+void * opj_malloc(size_t size);
/**
Allocate a memory block with elements initialized to 0
-@param num Blocks to allocate
-@param size Bytes per block to allocate
+@param numOfElements Blocks to allocate
+@param sizeOfElements Bytes per block to allocate
@return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
*/
-#ifdef ALLOC_PERF_OPT
-void * OPJ_CALLCONV opj_calloc(size_t _NumOfElements, size_t _SizeOfElements);
-#else
-/* prevent assertion on overflow for MSVC */
-#ifdef _MSC_VER
-#define opj_calloc(num, size) ((size_t)(num) != 0 && (size_t)(num) >= (size_t)-0x100 / (size_t)(size) ? NULL : calloc(num, size))
-#else
-#define opj_calloc(num, size) calloc(num, size)
-#endif
-#endif
+void * opj_calloc(size_t numOfElements, size_t sizeOfElements);
/**
-Allocate memory aligned to a 16 byte boundry
+Allocate memory aligned to a 16 byte boundary
@param size Bytes to allocate
@return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
*/
-/* FIXME: These should be set with cmake tests, but we're currently not requiring use of cmake */
-#ifdef _WIN32
- /* Someone should tell the mingw people that their malloc.h ought to provide _mm_malloc() */
- #ifdef __GNUC__
- #include <mm_malloc.h>
- #define HAVE_MM_MALLOC
- #else /* MSVC, Intel C++ */
- #include <malloc.h>
- #ifdef _mm_malloc
- #define HAVE_MM_MALLOC
- #endif
- #endif
-#else /* Not _WIN32 */
- #if defined(__sun)
- #define HAVE_MEMALIGN
- #elif defined(__FreeBSD__)
- #define HAVE_POSIX_MEMALIGN
- /* Linux x86_64 and OSX always align allocations to 16 bytes */
- #elif !defined(__amd64__) && !defined(__APPLE__) && !defined(_AIX)
- #define HAVE_MEMALIGN
- #include <malloc.h>
- #endif
-#endif
-
-#define opj_aligned_malloc(size) malloc(size)
-#define opj_aligned_free(m) free(m)
-
-#ifdef HAVE_MM_MALLOC
- #undef opj_aligned_malloc
- #define opj_aligned_malloc(size) _mm_malloc(size, 16)
- #undef opj_aligned_free
- #define opj_aligned_free(m) _mm_free(m)
-#endif
-
-#ifdef HAVE_MEMALIGN
- extern void* memalign(size_t, size_t);
- #undef opj_aligned_malloc
- #define opj_aligned_malloc(size) memalign(16, (size))
- #undef opj_aligned_free
- #define opj_aligned_free(m) free(m)
-#endif
+void * opj_aligned_malloc(size_t size);
+void * opj_aligned_realloc(void *ptr, size_t size);
+void opj_aligned_free(void* ptr);
-#ifdef HAVE_POSIX_MEMALIGN
- #undef opj_aligned_malloc
- extern int posix_memalign(void**, size_t, size_t);
-
- static INLINE void* __attribute__ ((malloc)) opj_aligned_malloc(size_t size){
- void* mem = NULL;
- posix_memalign(&mem, 16, size);
- return mem;
- }
- #undef opj_aligned_free
- #define opj_aligned_free(m) free(m)
-#endif
-
-#ifdef ALLOC_PERF_OPT
- #undef opj_aligned_malloc
- #define opj_aligned_malloc(size) opj_malloc(size)
- #undef opj_aligned_free
- #define opj_aligned_free(m) opj_free(m)
-#endif
+/**
+Allocate memory aligned to a 32 byte boundary
+@param size Bytes to allocate
+@return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
+*/
+void * opj_aligned_32_malloc(size_t size);
+void * opj_aligned_32_realloc(void *ptr, size_t size);
/**
Reallocate memory blocks.
@param s New size in bytes
@return Returns a void pointer to the reallocated (and possibly moved) memory block
*/
-#ifdef ALLOC_PERF_OPT
-void * OPJ_CALLCONV opj_realloc(void * m, size_t s);
-#else
-/* prevent assertion on overflow for MSVC */
-#ifdef _MSC_VER
-#define opj_realloc(m, s) ((size_t)(s) >= (size_t)-0x100 ? NULL : realloc(m, s))
-#else
-#define opj_realloc(m, s) realloc(m, s)
-#endif
-#endif
+void * opj_realloc(void * m, size_t s);
/**
Deallocates or frees a memory block.
@param m Previously allocated memory block to be freed
*/
-#ifdef ALLOC_PERF_OPT
-void OPJ_CALLCONV opj_free(void * m);
-#else
-#define opj_free(m) free(m)
-#endif
+void opj_free(void * m);
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(OPJ_SKIP_POISON)
#pragma GCC poison malloc calloc realloc free
#endif
/*@}*/
-#endif /* __OPJ_MALLOC_H */
+#endif /* OPJ_MALLOC_H */
projects / openjpeg.git / blobdiff