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/*****************************************************************************
* vlc_memory.h: Memory functions
*****************************************************************************
* Copyright (C) 2009 VLC authors and VideoLAN
*
* Authors: JP Dinger <jpd at videolan dot org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_MEMORY_H
#define VLC_MEMORY_H 1
#include <stdlib.h>
/**
* \defgroup memory Memory
* @{
* \file
* Memory fixups
*/
/**
* This wrapper around realloc() will free the input pointer when
* realloc() returns NULL. The use case ptr = realloc(ptr, newsize) will
* cause a memory leak when ptr pointed to a heap allocation before,
* leaving the buffer allocated but unreferenced. vlc_realloc() is a
* drop-in replacement for that use case (and only that use case).
*/
static inline void *realloc_or_free( void *p, size_t sz )
{
void *n = realloc(p,sz);
if( !n )
free(p);
return n;
}
/**
* @}
*/
#endif
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