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