diff options
author | Dylan Baker <dylan@pnwbakers.com> | 2018-11-09 10:40:15 -0800 |
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committer | Rob Clark <robdclark@gmail.com> | 2018-11-27 15:44:02 -0500 |
commit | 88c4680b5a50ea8840c38aa0a80acde63ef1677b (patch) | |
tree | 091b7d017b915fcdafd315288a2114a8169c3a3f /src/util/u_memory.h | |
parent | bade179153b10300129c93afb1e629d9814c122e (diff) |
util: promote u_memory to src/util
as well as os_memory*
Reviewed-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'src/util/u_memory.h')
-rw-r--r-- | src/util/u_memory.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/util/u_memory.h b/src/util/u_memory.h new file mode 100644 index 00000000000..dc22ab0fd1a --- /dev/null +++ b/src/util/u_memory.h @@ -0,0 +1,99 @@ +/************************************************************************** + * + * Copyright 2008 VMware, Inc. + * 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 VMWARE 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 "util/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) + +static inline void * +align_calloc(size_t size, unsigned long alignment) +{ + void *ptr = align_malloc(size, alignment); + if (ptr) + memset(ptr, 0, size); + return 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; +} + + +/** + * 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 */ |