/* 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. */
+ * 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,