diff -r 000000000000 -r 40261b775718 mmplugins/lib3gp/impl/src/memwrap.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmplugins/lib3gp/impl/src/memwrap.cpp Tue Feb 02 01:56:55 2010 +0200 @@ -0,0 +1,143 @@ +// 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 +#include + + +/* + * 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