// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 #include <3gplibrary/mp4config.h>

 #include <stdlib.h>

 #include <string.h>

 /*

  * Function:

  *

  *   void *mp4malloc(size_t size)

  *

  * Description:

  *

  *   This is a wrapper for standard C library function calloc.

  *

  * Parameters:

  *

  *   size   Size of memory block to be allocated.

  *

  * Return value:

  *

  *   See calloc.

  *

  */

 void *mp4malloc(size_t size)

 	{

 	TInt sizex = size;

 	if ( sizex <= 0 || sizex >= KMaxTInt/2 )

 		{

 		return NULL;    // calloc will panic with negative values or size >= KMaxTInt / 2

 		}

 	else

 		{

 		return calloc(size, 1);

 		}

 	}

 /*

  * Function:

  *

  *   void *mp4realloc(void *memblock,

  *                    size_t size,

  *                    size_t oldsize)

  *

  * Description:

  *

  *   This is a wrapper for standard C library function realloc.

  *

  * Parameters:

  *

  *   memblock   Allocated memory pointer

  *   size       New size

  *   oldsize    Size of memblock

  *

  * Return value:

  *

  *   See realloc.

  *

  */

 void *mp4realloc(void *memblock, size_t size, size_t oldsize)

 {

   void *p;

   p = realloc(memblock, size);

   if (p == NULL)

     return p;

   memset(((mp4_u8 *)p) + oldsize, 0, size - oldsize);

   return p;

 }

 /*

  * Function:

  *

  *   void mp4free(void *mem)

  *

  * Description:

  *

  *   This is a wrapper for standard C library function free.

  *

  * Parameters:

  *

  *   mem   Pointer to allocated memory

  *

  * Return value:

  *

  *   None

  *

  */

 void mp4free(void *mem)

 {

   free(mem);

 }

 /*

  * Function:

  *

  *   void *mp4memcpy(void *dest,

  *                   void *src,

  *                   mp4_u32 count)

  *

  * Description:

  *

  *   This is a wrapper for standard C library function memcpy.

  *

  * Parameters:

  *

  *   dest    Destination of copy

  *   src     Source of copy

  *   count   Number of nytes to copy

  *

  * Return value:

  *

  *   See memcpy.

  *

  */

 void *mp4memcpy(void *dest, void *src, mp4_u32 count)

 {

   memcpy(dest, src, count);

   return dest;

 }

 // End of File