/*

******************************************************************************

*

*   Copyright (C) 1997-2003, International Business Machines

*   Corporation and others.  All Rights Reserved.

*

******************************************************************************

*

* File CMEMORY.H

*

*  Contains stdlib.h/string.h memory functions

*

* @author       Bertrand A. Damiba

*

* Modification History:

*

*   Date        Name        Description

*   6/20/98     Bertrand    Created.

*  05/03/99     stephen     Changed from functions to macros.

*

******************************************************************************

*/

#ifndef CMEMORY_H

#define CMEMORY_H

#include "unicode/utypes.h"

#include <string.h>

#define uprv_memcpy(dst, src, size) U_STANDARD_CPP_NAMESPACE memcpy(dst, src, size)

#define uprv_memmove(dst, src, size) U_STANDARD_CPP_NAMESPACE memmove(dst, src, size)

#define uprv_memset(buffer, mark, size) U_STANDARD_CPP_NAMESPACE memset(buffer, mark, size)

#define uprv_memcmp(buffer1, buffer2, size) U_STANDARD_CPP_NAMESPACE memcmp(buffer1, buffer2,size)

U_CAPI void * U_EXPORT2

uprv_malloc(size_t s);

U_CAPI void * U_EXPORT2

uprv_realloc(void *mem, size_t size);

U_CAPI void U_EXPORT2

uprv_free(void *mem);

/**

 * This should align the memory properly on any machine.

 * This is very useful for the safeClone functions.

 */

typedef union {

    long    t1;

    double  t2;

    void   *t3;

} UAlignedMemory;

/**

 * Get the amount of bytes that a pointer is off by from

 * the previous aligned pointer

 */

#define U_ALIGNMENT_OFFSET(ptr) (((size_t)ptr) & (sizeof(UAlignedMemory) - 1))

/**

 * Get the amount of bytes to add to a pointer

 * in order to get the next aligned address

 */

#define U_ALIGNMENT_OFFSET_UP(ptr) (sizeof(UAlignedMemory) - U_ALIGNMENT_OFFSET(ptr))

/**

  *  Indicate whether the ICU allocation functions have been used.

  *  This is used to determine whether ICU is in an initial, unused state.

  */

U_CFUNC UBool 

cmemory_inUse(void);

/**

  *  Heap clean up function, called from u_cleanup()

  *    Clears any user heap functions from u_setMemoryFunctions()

  *    Does NOT deallocate any remaining allocated memory.

  */

U_CFUNC UBool 

cmemory_cleanup(void);

#endif