add some code to make invalid valgrind warnings go away

configure.ac

@@ -490,6 +490,10 @@ if test "x${with_caps}" != "xno"; then
                     fi])
 fi
 
+#### Valgrind (optional) ####
+
+AC_CHECK_HEADERS([valgrind/memcheck.h])
+
 #### pkg-config ####
 
 # Check for pkg-config manually first, as if its not installed the

src/modules/module-alsa-sink.c

@@ -28,6 +28,10 @@
 
 #include <asoundlib.h>
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+#include <valgrind/memcheck.h>
+#endif
+
 #include <pulse/xmalloc.h>
 #include <pulse/util.h>
 #include <pulse/timeval.h>
@@ -766,6 +770,10 @@ static int sink_get_volume_cb(pa_sink *s) {
                 if ((err = snd_mixer_selem_get_playback_dB(u->mixer_elem, u->mixer_map[i], &alsa_vol)) < 0)
                     goto fail;
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+                VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
+#endif
+
                 r.values[i] = pa_sw_volume_from_dB((double) alsa_vol / 100.0);
             } else {
 
@@ -784,6 +792,10 @@ static int sink_get_volume_cb(pa_sink *s) {
         if ((err = snd_mixer_selem_get_playback_dB(u->mixer_elem, SND_MIXER_SCHN_MONO, &alsa_vol)) < 0)
             goto fail;
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+                VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
+#endif
+
         pa_cvolume_set(&r, s->sample_spec.channels, pa_sw_volume_from_dB((double) alsa_vol / 100.0));
     }
 
@@ -1435,6 +1447,11 @@ int pa__init(pa_module*m) {
             if (snd_mixer_selem_get_playback_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
                 pa_log_info("Mixer doesn't support dB information.");
             else {
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+                VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
+                VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
+#endif
+
                 pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", u->hw_dB_min/100.0, u->hw_dB_max/100.0);
                 pa_assert(u->hw_dB_min < u->hw_dB_max);
                 u->hw_dB_supported = TRUE;

src/modules/module-alsa-source.c

@@ -28,6 +28,10 @@
 
 #include <asoundlib.h>
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+#include <valgrind/memcheck.h>
+#endif
+
 #include <pulse/xmalloc.h>
 #include <pulse/util.h>
 #include <pulse/timeval.h>
@@ -710,6 +714,10 @@ static int source_get_volume_cb(pa_source *s) {
                 if ((err = snd_mixer_selem_get_capture_dB(u->mixer_elem, u->mixer_map[i], &alsa_vol)) < 0)
                     goto fail;
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+                VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
+#endif
+
                 r.values[i] = pa_sw_volume_from_dB((double) alsa_vol / 100.0);
             } else {
 
@@ -728,6 +736,10 @@ static int source_get_volume_cb(pa_source *s) {
         if ((err = snd_mixer_selem_get_capture_dB(u->mixer_elem, SND_MIXER_SCHN_MONO, &alsa_vol)) < 0)
             goto fail;
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+        VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
+#endif
+
         pa_cvolume_set(&r, s->sample_spec.channels, pa_sw_volume_from_dB((double) alsa_vol / 100.0));
     }
 
@@ -1255,6 +1267,11 @@ int pa__init(pa_module*m) {
             if (snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
                 pa_log_info("Mixer doesn't support dB information.");
             else {
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+                VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
+                VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
+#endif
+
                 pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", u->hw_dB_min/100.0, u->hw_dB_max/100.0);
                 pa_assert(u->hw_dB_min < u->hw_dB_max);
                 u->hw_dB_supported = TRUE;

src/pulsecore/memblock.c

@@ -31,6 +31,10 @@
 #include <signal.h>
 #include <errno.h>
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+#include <valgrind/memcheck.h>
+#endif
+
 #include <pulse/xmalloc.h>
 #include <pulse/def.h>
 
@@ -257,6 +261,10 @@ static struct mempool_slot* mempool_allocate_slot(pa_mempool *p) {
         }
     }
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+    VALGRIND_MALLOCLIKE_BLOCK(slot, p->block_size, 0, 0);
+#endif
+
     return slot;
 }
 
@@ -519,7 +527,7 @@ static void memblock_free(pa_memblock *b) {
         case PA_MEMBLOCK_POOL_EXTERNAL:
         case PA_MEMBLOCK_POOL: {
             struct mempool_slot *slot;
-            int call_free;
+            pa_bool_t call_free;
 
             slot = mempool_slot_by_ptr(b->pool, pa_atomic_ptr_load(&b->data));
             pa_assert(slot);
@@ -532,6 +540,10 @@ static void memblock_free(pa_memblock *b) {
             while (pa_flist_push(b->pool->free_slots, slot) < 0)
                 ;
 
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+            VALGRIND_FREELIKE_BLOCK(slot, b->pool->block_size);
+#endif
+
             if (call_free)
                 if (pa_flist_push(PA_STATIC_FLIST_GET(unused_memblocks), b) < 0)
                     pa_xfree(b);