apt: debconf-helper: Cleanup properly when exiting

backends/apt/pk-debconf-helper.c

@@ -4,8 +4,8 @@
 #include <packagekit-glib2/pk-client-helper.h>
 #include <systemd/sd-daemon.h>
 
-static GMainLoop *main_loop;
-static PkClientHelper *helper;
+static GMainLoop *main_loop = NULL;
+static PkClientHelper *helper = NULL;
 
 static gboolean exit_loop(gpointer user_data)
 {
@@ -19,36 +19,40 @@ static gboolean exit_loop(gpointer user_data)
 
 int main(void)
 {
-	char **argv = NULL;
-	char **envp = NULL;
-	GSocket *socket = NULL;
-	GError *error = NULL;
+	g_auto(GStrv) argv = NULL;
+	g_auto(GStrv) envp = NULL;
+	g_autoptr(GSocket) socket = NULL;
+	g_autoptr(GError) error = NULL;
 	int fd = -1;
 
-	main_loop = g_main_loop_new(NULL, FALSE);
-	pk_client_create_helper_argv_envp(&argv, &envp);
+	main_loop = g_main_loop_new (NULL, FALSE);
+	pk_client_create_helper_argv_envp (&argv, &envp);
 
 
-	if (sd_listen_fds(0) != 1) {
+	if (sd_listen_fds (0) != 1) {
 			g_error("No or too many file descriptors received.\n");
 			exit(1);
 	}
 
 	fd = SD_LISTEN_FDS_START + 0;
-	socket = g_socket_new_from_fd(fd, &error);
+	socket = g_socket_new_from_fd (fd, &error);
 
 	if (error != NULL) {
-		g_error("%s\n", error->message);
+		g_error ("%s\n", error->message);
 		return 1;
 	}
 
-	helper = pk_client_helper_new();
-	if (!pk_client_helper_start_with_socket(helper, socket, argv, envp, &error)) {
-		g_error("%s\n", error->message);
+	helper = pk_client_helper_new ();
+	if (!pk_client_helper_start_with_socket (helper, socket, argv, envp, &error)) {
+		g_error ("%s\n", error->message);
 		return 1;
 	}
 
-	g_timeout_add_seconds(60, exit_loop, NULL);
+	g_timeout_add_seconds (60, exit_loop, NULL);
 
-	g_main_loop_run(main_loop);
+	g_main_loop_run (main_loop);
+
+	g_object_unref (helper);
+	g_object_unref (main_loop);
+	return 0;
 }