diff options
Diffstat (limited to 'src/lib/openmj2/opj_malloc.h')
| -rw-r--r-- | src/lib/openmj2/opj_malloc.h | 331 |
1 files changed, 166 insertions, 165 deletions
diff --git a/src/lib/openmj2/opj_malloc.h b/src/lib/openmj2/opj_malloc.h index 1b62ab02..36f7f2d8 100644 --- a/src/lib/openmj2/opj_malloc.h +++ b/src/lib/openmj2/opj_malloc.h @@ -1,165 +1,166 @@ -/*
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * 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
-/**
-@file opj_malloc.h
-@brief Internal functions
-
-The functions in opj_malloc.h are internal utilities used for memory management.
-*/
-
-/** @defgroup MISC MISC - Miscellaneous internal functions */
-/*@{*/
-
-/** @name Exported functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-
-/**
-Allocate an uninitialized memory block
-@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
-#define opj_malloc(size) malloc(size)
-#endif
-
-/**
-Allocate a memory block with elements initialized to 0
-@param num Blocks to allocate
-@param size 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
-#define opj_calloc(num, size) calloc(num, size)
-#endif
-
-/**
-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
-
-#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
-
-/**
-Reallocate memory blocks.
-@param m Pointer to previously allocated memory block
-@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
-#define opj_realloc(m, s) realloc(m, s)
-#endif
-
-/**
-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
-
-#ifdef __GNUC__
-#pragma GCC poison malloc calloc realloc free
-#endif
-
-/* ----------------------------------------------------------------------- */
-/*@}*/
-
-/*@}*/
-
-#endif /* __OPJ_MALLOC_H */
-
+/* + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * 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 +/** +@file opj_malloc.h +@brief Internal functions + +The functions in opj_malloc.h are internal utilities used for memory management. +*/ + +/** @defgroup MISC MISC - Miscellaneous internal functions */ +/*@{*/ + +/** @name Exported functions */ +/*@{*/ +/* ----------------------------------------------------------------------- */ + +/** +Allocate an uninitialized memory block +@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 +#define opj_malloc(size) malloc(size) +#endif + +/** +Allocate a memory block with elements initialized to 0 +@param num Blocks to allocate +@param size 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 +#define opj_calloc(num, size) calloc(num, size) +#endif + +/** +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 + +#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 + +/** +Reallocate memory blocks. +@param m Pointer to previously allocated memory block +@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 +#define opj_realloc(m, s) realloc(m, s) +#endif + +/** +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 + +#ifdef __GNUC__ +#pragma GCC poison malloc calloc realloc free +#endif + +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __OPJ_MALLOC_H */ + |
