1/************************************************************************** 2 * 3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 29/* 30 * Memory functions 31 */ 32 33 34#ifndef U_MEMORY_H 35#define U_MEMORY_H 36 37 38#include "util/u_pointer.h" 39#include "util/u_debug.h" 40#include "os/os_memory.h" 41 42 43#ifdef __cplusplus 44extern "C" { 45#endif 46 47 48#define MALLOC(_size) os_malloc(_size) 49 50#define CALLOC(_count, _size) os_calloc(_count, _size) 51 52#define FREE(_ptr ) os_free(_ptr) 53 54#define REALLOC(_ptr, _old_size, _size) os_realloc(_ptr, _old_size, _size) 55 56#define MALLOC_STRUCT(T) (struct T *) MALLOC(sizeof(struct T)) 57 58#define CALLOC_STRUCT(T) (struct T *) CALLOC(1, sizeof(struct T)) 59 60#define CALLOC_VARIANT_LENGTH_STRUCT(T,more_size) ((struct T *) CALLOC(1, sizeof(struct T) + more_size)) 61 62 63#define align_malloc(_size, _alignment) os_malloc_aligned(_size, _alignment) 64#define align_free(_ptr) os_free_aligned(_ptr) 65 66 67/** 68 * Duplicate a block of memory. 69 */ 70static INLINE void * 71mem_dup(const void *src, uint size) 72{ 73 void *dup = MALLOC(size); 74 if (dup) 75 memcpy(dup, src, size); 76 return dup; 77} 78 79 80/** 81 * Number of elements in an array. 82 */ 83#ifndef Elements 84#define Elements(x) (sizeof(x)/sizeof((x)[0])) 85#endif 86 87 88/** 89 * Offset of a field in a struct, in bytes. 90 */ 91#define Offset(TYPE, MEMBER) ((uintptr_t)&(((TYPE *)NULL)->MEMBER)) 92 93 94 95#ifdef __cplusplus 96} 97#endif 98 99 100#endif /* U_MEMORY_H */ 101