text: /**************************************************************************
   * 
   * 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 */
  