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/**************************************************************************
*
* 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 "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)
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 */
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