From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 21 Apr 2011 19:05:51 +0000 (+0200)
Subject: memblockq: decode unset chunks as NULL chunks again
X-Git-Tag: 1.0_branch~628
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=575ba65714ab85d81b0e520f348d78c2ae80a6f9;p=profile%2Fivi%2Fpulseaudio.git

memblockq: decode unset chunks as NULL chunks again

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

diff --git a/src/pulsecore/asyncmsgq.c b/src/pulsecore/asyncmsgq.c
index b0804f7..c211d9b 100644
--- a/src/pulsecore/asyncmsgq.c
+++ b/src/pulsecore/asyncmsgq.c
@@ -321,7 +321,7 @@ void pa_asyncmsgq_write_after_poll(pa_asyncmsgq *a) {
 int pa_asyncmsgq_dispatch(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *memchunk) {
 
     if (object)
-        return object->process_msg(object, code, userdata, offset, memchunk);
+        return object->process_msg(object, code, userdata, offset, pa_memchunk_isset(memchunk) ? memchunk : NULL);
 
     return 0;
 }
diff --git a/src/pulsecore/memchunk.c b/src/pulsecore/memchunk.c
index 0bbf859..34317fe 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;
+}
diff --git a/src/pulsecore/memchunk.h b/src/pulsecore/memchunk.h
index 9458f4f..d7d8240 100644
--- a/src/pulsecore/memchunk.h
+++ b/src/pulsecore/memchunk.h
@@ -50,4 +50,7 @@ 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 */
+pa_bool_t pa_memchunk_isset(pa_memchunk *c);
+
 #endif