rbdlsim/3rdparty/libccd/src/alloc.h

51 lines
1.3 KiB
C

/***
* libccd
* ---------------------------------
* Copyright (c)2010 Daniel Fiser <danfis@danfis.cz>
*
*
* This file is part of libccd.
*
* Distributed under the OSI-approved BSD License (the "License");
* see accompanying file BDS-LICENSE for details or see
* <http://www.opensource.org/licenses/bsd-license.php>.
*
* This software is distributed WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the License for more information.
*/
#ifndef __CCD_ALLOC_H__
#define __CCD_ALLOC_H__
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* Functions and macros required for memory allocation.
*/
/* Memory allocation: */
#define __CCD_ALLOC_MEMORY(type, ptr_old, size) \
(type *)realloc((void *)ptr_old, (size))
/** Allocate memory for one element of type. */
#define CCD_ALLOC(type) \
__CCD_ALLOC_MEMORY(type, NULL, sizeof(type))
/** Allocate memory for array of elements of type type. */
#define CCD_ALLOC_ARR(type, num_elements) \
__CCD_ALLOC_MEMORY(type, NULL, sizeof(type) * (num_elements))
#define CCD_REALLOC_ARR(ptr, type, num_elements) \
__CCD_ALLOC_MEMORY(type, ptr, sizeof(type) * (num_elements))
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* __CCD_ALLOC_H__ */