beef up comment

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1790 fefdeb5f-60dc-0310-8127-8f9354f1896f

diff --git a/src/pulsecore/memchunk.h b/src/pulsecore/memchunk.h
index 99498d078a6f8267b9ba5caa29f29ec69f9abc69..e6105acebdba812f511f73f7c0617c3e1185a8f5 100644 (file)
--- a/src/pulsecore/memchunk.h
+++ b/src/pulsecore/memchunk.h
@@ -37,7 +37,9 @@ typedef struct 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. */
+ * 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,