big s/polyp/pulse/g

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/pulsecore/memchunk.h

@@ -0,0 +1,45 @@
+#ifndef foomemchunkhfoo
+#define foomemchunkhfoo
+
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+ 
+  PulseAudio 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.
+ 
+  PulseAudio 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 PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#include <pulsecore/memblock.h>
+
+/* A memchunk describes a part of a memblock. In contrast to the memblock, a
+ * memchunk is not allocated dynamically or reference counted, instead
+ * it is usually stored on the stack and copied around */
+
+typedef struct pa_memchunk {
+    pa_memblock *memblock;
+    size_t index, length;
+} pa_memchunk;
+
+/* Make a memchunk writable, i.e. make sure that the caller may have
+ * exclusive access to the memblock and it is not read_only. If needed
+ * the memblock in the structure is replaced by a copy. */
+void pa_memchunk_make_writable(pa_memchunk *c, pa_memblock_stat *s, size_t min);
+
+/* Invalidate a memchunk. This does not free the cotaining memblock,
+ * but sets all members to zero. */
+void pa_memchunk_reset(pa_memchunk *c);
+
+#endif