@file j2k_lib.h
@brief Internal functions
-The functions in J2K_LIB.C are internal utilities mainly used for memory management.
+The functions in J2K_LIB.C are internal utilities mainly used for timing.
*/
-#ifndef __GNUC__
-#define __attribute__(x) /* */
-#endif
-
/** @defgroup MISC MISC - Miscellaneous internal functions */
/*@{*/
*/
double opj_clock(void);
-/**
-Allocate a memory block with elements initialized to 0
-@param size Bytes to allocate
-@return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
-*/
-void* __attribute__ ((malloc)) opj_malloc( size_t size );
-
-/**
-Allocate memory aligned to a 16 byte boundry
-@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
- /* Linux x86_64 and OSX always align allocations to 16 bytes */
- #elif !defined(__amd64__) && !defined(__APPLE__)
- /* FIXME: Yes, this is a big assumption */
- #define HAVE_POSIX_MEMALIGN
- #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
-
-/**
-Reallocate memory blocks.
-@param memblock Pointer to previously allocated memory block
-@param size New size in bytes
-@return Returns a void pointer to the reallocated (and possibly moved) memory block
-*/
-void* __attribute__ ((malloc)) opj_realloc( void *memblock, size_t size );
-
-/**
-Deallocates or frees a memory block.
-@param memblock Previously allocated memory block to be freed
-*/
-void opj_free( void *memblock );
-
/* ----------------------------------------------------------------------- */
/*@}*/