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public and which are internal through <> vs "". git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@500 fefdeb5f-60dc-0310-8127-8f9354f1896f
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* $Id$ */
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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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include <polypcore/xmalloc.h>
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#include "memchunk.h"
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void pa_memchunk_make_writable(pa_memchunk *c, pa_memblock_stat *s, size_t min) {
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pa_memblock *n;
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size_t l;
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assert(c && c->memblock && c->memblock->ref >= 1);
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if (c->memblock->ref == 1 && !c->memblock->read_only && c->memblock->length >= c->index+min)
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return;
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l = c->length;
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if (l < min)
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l = min;
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n = pa_memblock_new(l, s);
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memcpy(n->data, (uint8_t*) c->memblock->data + c->index, c->length);
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pa_memblock_unref(c->memblock);
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c->memblock = n;
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c->index = 0;
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}
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void pa_memchunk_reset(pa_memchunk *c) {
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assert(c);
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c->memblock = NULL;
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c->length = c->index = 0;
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}
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