fix some memory leaks

gtk2_ardour/analysis_window.cc

@@ -374,6 +374,7 @@ AnalysisWindow::analyze_data (Gtk::Button * /*button*/)
 
 		free(buf);
 		free(mixbuf);
+		free(gain);
 
 		track_list_ready = true;
 	} /* end lock */

gtk2_ardour/video_timeline.cc

@@ -716,7 +716,7 @@ void
 VideoTimeLine::find_xjadeo () {
 	std::string xjadeo_file_path;
 	if (getenv("XJREMOTE")) {
-		_xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
+		_xjadeo_bin = getenv("XJREMOTE");
 	} else if (find_file_in_search_path (Searchpath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 		_xjadeo_bin = xjadeo_file_path;
 	}

libs/ardour/audio_library.cc

@@ -105,15 +105,15 @@ AudioLibrary::get_tags (string member)
 {
 	vector<string> tags;
 #ifdef HAVE_LRDF
+	char * uri = strdup(Glib::filename_to_uri(member).c_str());
 
 	lrdf_statement pattern;
-	pattern.subject = strdup(Glib::filename_to_uri(member).c_str());
+	pattern.subject = uri;
 	pattern.predicate = const_cast<char*>(TAG);
 	pattern.object = 0;
 	pattern.object_type = lrdf_literal;
 
 	lrdf_statement* matches = lrdf_matches (&pattern);
-	free (pattern.subject);
 
 	lrdf_statement* current = matches;
 	while (current != 0) {
@@ -125,6 +125,7 @@ AudioLibrary::get_tags (string member)
 	lrdf_free_statements (matches);
 
 	sort (tags.begin(), tags.end());
+	free (uri);
 #endif
 	return tags;
 }

libs/ardour/linux_vst_support.cc

@@ -112,7 +112,7 @@ vstfx_new ()
 void* vstfx_load_vst_library(const char* path)
 {
 	void* dll;
-	char* full_path;
+	char* full_path = NULL;
 	char* envdup;
 	char* lxvst_path;
 	size_t len1;
@@ -160,6 +160,7 @@ void* vstfx_load_vst_library(const char* path)
 		vstfx_error ("\"%s\"", lxvst_path);
 		len1 = strlen(lxvst_path);
 		
+		if (full_path) free(full_path);
 		full_path = (char*)malloc(len1 + 1 + len2 + 1);
 		memcpy(full_path, lxvst_path, len1);
 		full_path[len1] = '/';
@@ -180,7 +181,7 @@ void* vstfx_load_vst_library(const char* path)
 	}
 
 	/*Free the path*/
-
+	if (full_path) free(full_path);
 	free(envdup);
 
 	return dll;

libs/ardour/worker.cc

@@ -124,6 +124,7 @@ Worker::run()
 	while (true) {
 		_sem.wait();
 		if (_exit) {
+			if (buf) free(buf);
 			return;
 		}
 
@@ -135,6 +136,7 @@ Worker::run()
 		while (!verify_message_completeness(_requests)) {
 			Glib::usleep(2000);
 			if (_exit) {
+				if (buf) free(buf);
 				return;
 			}
 		}