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1f0961368f
* add typedefs for public structs and enums and drop the struct/enum prefixs from all uses where it makes sense git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@447 fefdeb5f-60dc-0310-8127-8f9354f1896f
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
#ifndef foomemchunkhfoo
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#define foomemchunkhfoo
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/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#include "memblock.h"
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/* A memchunk describes a part of a memblock. In contrast to the memblock, a
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* memchunk is not allocated dynamically or reference counted, instead
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* it is usually stored on the stack and copied around */
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typedef struct pa_memchunk {
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pa_memblock *memblock;
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size_t index, length;
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} pa_memchunk;
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/* Make a memchunk writable, i.e. make sure that the caller may have
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* exclusive access to the memblock and it is not read_only. If needed
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* the memblock in the structure is replaced by a copy. */
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void pa_memchunk_make_writable(pa_memchunk *c, pa_memblock_stat *s, size_t min);
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/* Invalidate a memchunk. This does not free the cotaining memblock,
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* but sets all members to zero. */
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void pa_memchunk_reset(pa_memchunk *c);
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#endif
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