memblockq: decode unset chunks as NULL chunks again

This fixes asserts beeing hit when see requests are posted via the
native protocol.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/pulsecore/memchunk.c b/src/pulsecore/memchunk.c
index 0bbf8590..34317fe5 100644
--- a/src/pulsecore/memchunk.c
+++ b/src/pulsecore/memchunk.c
@@ -110,3 +110,12 @@ pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src) {
 
     return dst;
 }
+
+pa_bool_t pa_memchunk_isset(pa_memchunk *chunk) {
+    assert(chunk);
+
+    return
+        chunk->memblock ||
+        chunk->index > 0 ||
+        chunk->length > 0;
+}