#ifndef foomemchunkhfoo
#define foomemchunkhfoo
-/* $Id$ */
-
/***
This file is part of PulseAudio.
USA.
***/
+typedef struct pa_memchunk pa_memchunk;
+
#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 {
+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
+ * exclusive access to the memblock and it is not read-only. If needed
* the memblock in the structure is replaced by a copy. If min is not
* 0 it is made sure that the returned memblock is at least of the
* specified size, i.e. is enlarged if necessary. */
pa_memchunk* pa_memchunk_make_writable(pa_memchunk *c, size_t min);
-/* Invalidate a memchunk. This does not free the cotaining memblock,
+/* Invalidate a memchunk. This does not free the containing memblock,
* but sets all members to zero. */
pa_memchunk* pa_memchunk_reset(pa_memchunk *c);
/* Map a memory chunk back into memory if it was swapped out */
pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c);
+/* Copy the data in the src memchunk to the dst memchunk */
+pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src);
+
+/* Return true if any field is set != 0 */
+bool pa_memchunk_isset(pa_memchunk *c);
+
#endif