fix a number of warnings

most of them were due to missing #ifdefs or wrong printf format type for
[s]size_t.

src/daemon/daemon-conf.c

@@ -466,6 +466,7 @@ static int parse_rtprio(const char *filename, unsigned line, const char *section
     return 0;
 }
 
+#ifdef HAVE_DBUS
 static int parse_server_type(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
     pa_daemon_conf *c = data;
 
@@ -481,6 +482,7 @@ static int parse_server_type(const char *filename, unsigned line, const char *se
 
     return 0;
 }
+#endif
 
 int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
     int r = -1;
@@ -666,12 +668,14 @@ char *pa_daemon_conf_dump(pa_daemon_conf *c) {
         [PA_LOG_ERROR] = "error"
     };
 
+#ifdef HAVE_DBUS
     static const char* const server_type_to_string[] = {
         [PA_SERVER_TYPE_UNSET] = "!!UNSET!!",
         [PA_SERVER_TYPE_USER] = "user",
         [PA_SERVER_TYPE_SYSTEM] = "system",
         [PA_SERVER_TYPE_NONE] = "none"
     };
+#endif
 
     pa_strbuf *s;
     char cm[PA_CHANNEL_MAP_SNPRINT_MAX];

src/pulsecore/core-util.c

@@ -580,8 +580,8 @@ char *pa_strlcpy(char *b, const char *s, size_t l) {
 
 static int set_scheduler(int rtprio) {
     struct sched_param sp;
-    int r;
 #ifdef HAVE_DBUS
+    int r;
     DBusError error;
     DBusConnection *bus;
 
@@ -628,7 +628,7 @@ static int set_scheduler(int rtprio) {
 
     errno = -r;
 #else
-    errno = r;
+    errno = 0;
 #endif
 
     return -1;

src/pulsecore/envelope.c

@@ -597,7 +597,7 @@ void pa_envelope_apply(pa_envelope *e, pa_memchunk *chunk) {
         fs = pa_frame_size(&e->sample_spec);
         n = chunk->length;
 
-        pa_log_debug("Envelop position %d applying factor %d=%f, sample spec is %d, chunk's length is %d, fs is %d\n", e->x, linear_get_int(e, v), ((float) linear_get_int(e,v))/0x10000, e->sample_spec.format, n, fs);
+        pa_log_debug("Envelop position %zu applying factor %d=%f, sample spec is %d, chunk's length is %zu, fs is %zu\n", e->x, linear_get_int(e, v), ((float) linear_get_int(e,v))/0x10000, e->sample_spec.format, n, fs);
 
         switch (e->sample_spec.format) {
 
@@ -965,11 +965,10 @@ void pa_envelope_restart(pa_envelope* e) {
 }
 
 pa_bool_t pa_envelope_is_finished(pa_envelope* e) {
-    pa_assert(e);
-
     int v;
     pa_bool_t finished;
 
+    pa_assert(e);
     envelope_begin_read(e, &v);
     finished = (e->x >=  e->points[v].x[e->points[v].n_points-1]);
     envelope_commit_read(e, v);
@@ -978,11 +977,10 @@ pa_bool_t pa_envelope_is_finished(pa_envelope* e) {
 }
 
 int32_t pa_envelope_length(pa_envelope *e) {
-    pa_assert(e);
-
     int v;
     size_t size;
 
+    pa_assert(e);
     envelope_begin_read(e, &v);
     size = e->points[v].x[e->points[v].n_points-1] - e->points[v].x[0];
     envelope_commit_read(e, v);

src/pulsecore/sink-input.c

@@ -779,11 +779,11 @@ void pa_sink_input_peek(pa_sink_input *i, size_t slength /* in sink frames */, p
 
     if (!i->thread_info.ramp_info.envelope_dead) {
         i->thread_info.ramp_info.envelope_dying += chunk->length;
-        pa_log_debug("Envelope dying is %d, chunk length is %d, dead thresholder is %d\n", i->thread_info.ramp_info.envelope_dying,
+        pa_log_debug("Envelope dying is %d, chunk length is %zu, dead thresholder is %lu\n", i->thread_info.ramp_info.envelope_dying,
                 chunk->length,
                 i->sink->thread_info.max_rewind + pa_envelope_length(i->thread_info.ramp_info.envelope));
 
-        if (i->thread_info.ramp_info.envelope_dying >= (i->sink->thread_info.max_rewind + pa_envelope_length(i->thread_info.ramp_info.envelope))) {
+        if (i->thread_info.ramp_info.envelope_dying >= (int32_t) (i->sink->thread_info.max_rewind + pa_envelope_length(i->thread_info.ramp_info.envelope))) {
             pa_log_debug("RELEASE Envelop");
             i->thread_info.ramp_info.envelope_dead = TRUE;
             sink_input_release_envelope(i);
@@ -1767,12 +1767,14 @@ static void sink_input_rewind_ramp_info(pa_sink_input *i, size_t nbytes) {
     pa_assert(i);
 
     if (!i->thread_info.ramp_info.envelope_dead) {
-        pa_assert(i->thread_info.ramp_info.envelope);
+        int32_t envelope_length;
 
-        int32_t envelope_length = pa_envelope_length(i->thread_info.ramp_info.envelope);
+	pa_assert(i->thread_info.ramp_info.envelope);
+
+        envelope_length = pa_envelope_length(i->thread_info.ramp_info.envelope);
 
         if (i->thread_info.ramp_info.envelope_dying > envelope_length) {
-            if ((i->thread_info.ramp_info.envelope_dying - nbytes) < envelope_length) {
+            if ((int32_t) (i->thread_info.ramp_info.envelope_dying - nbytes) < envelope_length) {
                 pa_log_debug("Envelope Become Alive");
                 pa_envelope_rewind(i->thread_info.ramp_info.envelope, envelope_length - (i->thread_info.ramp_info.envelope_dying - nbytes));
                 i->thread_info.ramp_info.is_ramping = TRUE;