Fix a few minor/unlikely memory errors.

Handle Glade widget loading failure more gracefully.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5486 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 18 insertions, 14 deletions

diff --git a/src/server/ControlBindings.cpp b/src/server/ControlBindings.cpp
index 6ffb5c7d..973874ae 100644
--- a/src/server/ControlBindings.cpp
+++ b/src/server/ControlBindings.cpp
@@ -339,6 +339,7 @@ ControlBindings::bind(ProcessContext& context, Key key)
 	_bindings->insert(make_pair(key, _learn_port));
 
 	uint8_t buf[128];
+	memset(buf, 0, sizeof(buf));
 	lv2_atom_forge_set_buffer(&_forge, buf, sizeof(buf));
 	forge_binding(uris, &_forge, key.type, key.num);
 	const LV2_Atom* atom = (const LV2_Atom*)buf;
diff --git a/src/server/Engine.cpp b/src/server/Engine.cpp
index 71573ecb..76755a2c 100644
--- a/src/server/Engine.cpp
+++ b/src/server/Engine.cpp
@@ -339,11 +339,11 @@ Engine::run(uint32_t sample_count)
 	// Run root graph
 	if (_root_graph) {
 		_root_graph->process(_process_context);
-	}
 
-	// Emit control binding feedback
-	control_bindings()->post_process(
-		_process_context, _root_graph->port_impl(1)->buffer(0).get());
+		// Emit control binding feedback
+		control_bindings()->post_process(
+			_process_context, _root_graph->port_impl(1)->buffer(0).get());
+	}
 
 	return n_processed_events;
 }
diff --git a/src/server/ingen_lv2.cpp b/src/server/ingen_lv2.cpp
index e73cc4ee..70642298 100644
--- a/src/server/ingen_lv2.cpp
+++ b/src/server/ingen_lv2.cpp
@@ -28,6 +28,7 @@
 #include "lv2/lv2plug.in/ns/ext/atom/util.h"
 #include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h"
 #include "lv2/lv2plug.in/ns/ext/log/log.h"
+#include "lv2/lv2plug.in/ns/ext/log/logger.h"
 #include "lv2/lv2plug.in/ns/ext/options/options.h"
 #include "lv2/lv2plug.in/ns/ext/state/state.h"
 #include "lv2/lv2plug.in/ns/ext/urid/urid.h"
@@ -501,6 +502,17 @@ ingen_instantiate(const LV2_Descriptor*    descriptor,
 		}
 	}
 
+	LV2_Log_Logger logger;
+	lv2_log_logger_init(&logger, map, log);
+
+	if (!map) {
+		lv2_log_error(&logger, "host did not provide URI map feature\n");
+		return NULL;
+	} else if (!unmap) {
+		lv2_log_error(&logger, "host did not provide URI unmap feature\n");
+		return NULL;
+	}
+		
 	if (!Glib::thread_supported()) {
 		Glib::thread_init();
 	}
@@ -518,16 +530,7 @@ ingen_instantiate(const LV2_Descriptor*    descriptor,
 	}
 
 	if (!graph) {
-		const std::string msg((fmt("Could not find graph %1%\n")
-		                       % descriptor->URI).str());
-		if (log) {
-			log->printf(log->handle,
-			            map->map(map->handle, LV2_LOG__Error),
-			            msg.c_str(),
-			            NULL);
-		} else {
-			std::cerr << msg.c_str() << std::endl;
-		}
+		lv2_log_error(&logger, "could not find graph <%s>\n", descriptor->URI);
 		return NULL;
 	}