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Diffstat (limited to 'src/gallium/auxiliary/util/u_memory.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_memory.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_memory.h b/src/gallium/auxiliary/util/u_memory.h new file mode 100644 index 0000000000..53d56599fe --- /dev/null +++ b/src/gallium/auxiliary/util/u_memory.h @@ -0,0 +1,100 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/* + * Memory functions + */ + + +#ifndef U_MEMORY_H +#define U_MEMORY_H + + +#include "util/u_pointer.h" +#include "util/u_debug.h" +#include "os/os_memory.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +#define MALLOC(_size) os_malloc(_size) + +#define CALLOC(_count, _size) os_calloc(_count, _size) + +#define FREE(_ptr ) os_free(_ptr) + +#define REALLOC(_ptr, _old_size, _size) os_realloc(_ptr, _old_size, _size) + +#define MALLOC_STRUCT(T) (struct T *) MALLOC(sizeof(struct T)) + +#define CALLOC_STRUCT(T) (struct T *) CALLOC(1, sizeof(struct T)) + +#define CALLOC_VARIANT_LENGTH_STRUCT(T,more_size) ((struct T *) CALLOC(1, sizeof(struct T) + more_size)) + + +#define align_malloc(_size, _alignment) os_malloc_aligned(_size, _alignment) +#define align_free(_ptr) os_free_aligned(_ptr) + + +/** + * Duplicate a block of memory. + */ +static INLINE void * +mem_dup(const void *src, uint size) +{ + void *dup = MALLOC(size); + if (dup) + memcpy(dup, src, size); + return dup; +} + + +/** + * Number of elements in an array. + */ +#ifndef Elements +#define Elements(x) (sizeof(x)/sizeof((x)[0])) +#endif + + +/** + * Offset of a field in a struct, in bytes. + */ +#define Offset(TYPE, MEMBER) ((uintptr_t)&(((TYPE *)NULL)->MEMBER)) + + + +#ifdef __cplusplus +} +#endif + + +#endif /* U_MEMORY_H */ |