Fix all compile warnings.

9 files changed, 72 insertions, 19 deletions

diff --git a/capplet/gsm-app-dialog.c b/capplet/gsm-app-dialog.c
index b8938fd..b4ca56a 100644
--- a/capplet/gsm-app-dialog.c
+++ b/capplet/gsm-app-dialog.c
@@ -35,9 +35,14 @@
 #define CAPPLET_COMMENT_ENTRY_WIDGET_NAME "session_properties_comment_entry"
 #define CAPPLET_BROWSE_WIDGET_NAME        "session_properties_browse_button"
 
-
 #define GSM_APP_DIALOG_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSM_TYPE_APP_DIALOG, GsmAppDialogPrivate))
 
+#ifdef __GNUC__
+#define UNUSED_VARIABLE __attribute__ ((unused))
+#else
+#define UNUSED_VARIABLE
+#endif
+
 struct GsmAppDialogPrivate
 {
         GtkWidget *name_entry;
@@ -473,7 +478,7 @@ gsm_app_dialog_run (GsmAppDialog  *dialog,
                 GError     *error;
                 char      **argv;
                 int         argc;
-                gboolean    changed;
+                gboolean   UNUSED_VARIABLE changed;
 
                 name = gsm_app_dialog_get_name (GSM_APP_DIALOG (dialog));
                 exec = gsm_app_dialog_get_command (GSM_APP_DIALOG (dialog));
diff --git a/mate-session/gs-idle-monitor.c b/mate-session/gs-idle-monitor.c
index bfde3ca..e2d51f0 100644
--- a/mate-session/gs-idle-monitor.c
+++ b/mate-session/gs-idle-monitor.c
@@ -193,7 +193,7 @@ handle_alarm_notify_event (GSIdleMonitor         *monitor,
                 return;
         }
 
-        g_debug ("Watch %d fired, idle time = %lld",
+        g_debug ("Watch %d fired, idle time = %ld",
                  watch->id,
                  _xsyncvalue_to_int64 (alarm_event->counter_value));
 
@@ -450,22 +450,22 @@ _xsync_alarm_set (GSIdleMonitor      *monitor,
 
         attr.trigger.test_type = XSyncPositiveTransition;
         if (watch->xalarm_positive != None) {
-                g_debug ("GSIdleMonitor: updating alarm for positive transition wait=%lld",
+                g_debug ("GSIdleMonitor: updating alarm for positive transition wait=%ld",
                          _xsyncvalue_to_int64 (attr.trigger.wait_value));
                 XSyncChangeAlarm (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), watch->xalarm_positive, flags, &attr);
         } else {
-                g_debug ("GSIdleMonitor: creating new alarm for positive transition wait=%lld",
+                g_debug ("GSIdleMonitor: creating new alarm for positive transition wait=%ld",
                          _xsyncvalue_to_int64 (attr.trigger.wait_value));
                 watch->xalarm_positive = XSyncCreateAlarm (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), flags, &attr);
         }
 
         attr.trigger.test_type = XSyncNegativeTransition;
         if (watch->xalarm_negative != None) {
-                g_debug ("GSIdleMonitor: updating alarm for negative transition wait=%lld",
+                g_debug ("GSIdleMonitor: updating alarm for negative transition wait=%ld",
                          _xsyncvalue_to_int64 (attr.trigger.wait_value));
                 XSyncChangeAlarm (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), watch->xalarm_negative, flags, &attr);
         } else {
-                g_debug ("GSIdleMonitor: creating new alarm for negative transition wait=%lld",
+                g_debug ("GSIdleMonitor: creating new alarm for negative transition wait=%ld",
                          _xsyncvalue_to_int64 (attr.trigger.wait_value));
                 watch->xalarm_negative = XSyncCreateAlarm (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), flags, &attr);
         }
diff --git a/mate-session/gsm-autostart-app.c b/mate-session/gsm-autostart-app.c
index 5dd463b..ef22911 100644
--- a/mate-session/gsm-autostart-app.c
+++ b/mate-session/gsm-autostart-app.c
@@ -32,6 +32,12 @@
 #include "gsm-autostart-app.h"
 #include "gsm-util.h"
 
+#ifdef __GNUC__
+#define UNUSED_VARIABLE __attribute__ ((unused))
+#else
+#define UNUSED_VARIABLE
+#endif
+
 enum {
         AUTOSTART_LAUNCH_SPAWN = 0,
         AUTOSTART_LAUNCH_ACTIVATE
@@ -316,7 +322,7 @@ setup_condition_monitor (GsmAutostartApp *app)
         guint    kind;
         char    *key;
         gboolean res;
-        gboolean disabled;
+        gboolean UNUSED_VARIABLE disabled;
 
         if (app->priv->condition_monitor != NULL) {
                 g_file_monitor_cancel (app->priv->condition_monitor);
diff --git a/mate-session/gsm-consolekit.c b/mate-session/gsm-consolekit.c
index c5eadb0..e04ae76 100644
--- a/mate-session/gsm-consolekit.c
+++ b/mate-session/gsm-consolekit.c
@@ -791,6 +791,12 @@ gsm_consolekit_can_restart (GsmConsolekit *manager)
                                               G_TYPE_INVALID,
                                               G_TYPE_BOOLEAN, &can_restart,
                                               G_TYPE_INVALID);
+        if (res == FALSE) {
+                g_warning ("Could not make DBUS call: %s",
+                           error->message);
+                g_error_free (error);
+                return FALSE;
+	}
 
 	return can_restart;
 }
@@ -819,6 +825,13 @@ gsm_consolekit_can_stop (GsmConsolekit *manager)
                                               G_TYPE_BOOLEAN, &can_stop,
                                               G_TYPE_INVALID);
 
+        if (res == FALSE) {
+                g_warning ("Could not make DBUS call: %s",
+                           error->message);
+                g_error_free (error);
+                return FALSE;
+	}
+
 	return can_stop;
 }
 
diff --git a/mate-session/gsm-inhibit-dialog.c b/mate-session/gsm-inhibit-dialog.c
index 047524f..3d4e85c 100644
--- a/mate-session/gsm-inhibit-dialog.c
+++ b/mate-session/gsm-inhibit-dialog.c
@@ -401,8 +401,10 @@ get_pixmap_for_window (Window window)
         Picture                  src_picture;
         Picture                  dst_picture;
         gboolean                 has_alpha;
+#if 0
         int                      x;
         int                      y;
+#endif
         int                      width;
         int                      height;
 
@@ -410,8 +412,10 @@ get_pixmap_for_window (Window window)
 
         format = XRenderFindVisualFormat (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), attr.visual);
         has_alpha = (format->type == PictTypeDirect && format->direct.alphaMask);
+#if 0
         x = attr.x;
         y = attr.y;
+#endif
         width = attr.width;
         height = attr.height;
 
diff --git a/mate-session/gsm-manager.c b/mate-session/gsm-manager.c
index 54f7ee2..8b2e024 100644
--- a/mate-session/gsm-manager.c
+++ b/mate-session/gsm-manager.c
@@ -89,6 +89,12 @@
 
 #define IS_STRING_EMPTY(x) ((x)==NULL||(x)[0]=='\0')
 
+#ifdef __GNUC__
+#define UNUSED_VARIABLE __attribute__ ((unused))
+#else
+#define UNUSED_VARIABLE
+#endif
+
 typedef enum
 {
         GSM_MANAGER_LOGOUT_NONE,
@@ -288,12 +294,11 @@ app_condition_changed (GsmApp     *app,
 
         if (condition) {
                 if (!gsm_app_is_running (app) && client == NULL) {
-                        GError  *error;
-                        gboolean res;
+                        GError  *error = NULL;
+                        gboolean UNUSED_VARIABLE res;
 
                         g_debug ("GsmManager: starting app '%s'", gsm_app_peek_id (app));
 
-                        error = NULL;
                         res = gsm_app_start (app, &error);
                         if (error != NULL) {
                                 g_warning ("Not able to start app from its condition: %s",
@@ -305,7 +310,7 @@ app_condition_changed (GsmApp     *app,
                 }
         } else {
                 GError  *error;
-                gboolean res;
+                gboolean UNUSED_VARIABLE res;
 
                 if (client != NULL) {
                         /* Kill client in case condition if false and make sure it won't
@@ -1473,7 +1478,7 @@ _disconnect_client (GsmManager *manager,
         gboolean              is_condition_client;
         GsmApp               *app;
         GError               *error;
-        gboolean              res;
+        gboolean UNUSED_VARIABLE res;
         const char           *app_id;
         const char           *startup_id;
         gboolean              app_restart;
@@ -1632,7 +1637,7 @@ static void
 remove_inhibitors_for_connection (GsmManager *manager,
                                   const char *service_name)
 {
-        guint            n_removed;
+        guint UNUSED_VARIABLE n_removed;
         RemoveClientData data;
 
         data.service_name = service_name;
@@ -2304,10 +2309,12 @@ on_gsettings_key_changed (GSettings   *settings,
                 delay = g_settings_get_int (settings, key);
                 gsm_presence_set_idle_timeout (manager->priv->presence, delay * 60000);
         } else if (g_strcmp0 (key, KEY_LOCK_DISABLE) == 0) {
-                gboolean disabled;
+                /* ??? */
+                gboolean UNUSED_VARIABLE disabled;
                 disabled = g_settings_get_boolean (settings, key);
         } else if (g_strcmp0 (key, KEY_USER_SWITCH_DISABLE) == 0) {
-                gboolean disabled;
+                /* ??? */
+                gboolean UNUSED_VARIABLE disabled;
                 disabled = g_settings_get_boolean (settings, key);
         } else {
                 g_debug ("Config key not handled: %s", key);
diff --git a/mate-session/mdm-signal-handler.c b/mate-session/mdm-signal-handler.c
index 9f2ab3c..bded104 100644
--- a/mate-session/mdm-signal-handler.c
+++ b/mate-session/mdm-signal-handler.c
@@ -44,6 +44,12 @@
 #define MDM_SIGNAL_HANDLER_GET_PRIVATE(o) \
 	(G_TYPE_INSTANCE_GET_PRIVATE((o), MDM_TYPE_SIGNAL_HANDLER, MdmSignalHandlerPrivate))
 
+#ifdef __GNUC__
+#define UNUSED_VARIABLE __attribute__ ((unused))
+#else
+#define UNUSED_VARIABLE
+#endif
+
 typedef struct {
 	int signal_number;
 	MdmSignalHandlerFunc func;
@@ -254,7 +260,7 @@ static void mdm_signal_handler_backtrace(void)
 static void signal_handler(int signo)
 {
 	static int in_fatal = 0;
-	int ignore;
+	int UNUSED_VARIABLE ignore;
 	guchar signo_byte = signo;
 
 	/* avoid loops */
diff --git a/mate-session/test-client-dbus.c b/mate-session/test-client-dbus.c
index ab9c0a7..fa888ed 100644
--- a/mate-session/test-client-dbus.c
+++ b/mate-session/test-client-dbus.c
@@ -35,6 +35,12 @@
 
 #define SM_CLIENT_DBUS_INTERFACE "org.mate.SessionManager.ClientPrivate"
 
+#ifdef __GNUC__
+#define UNUSED_VARIABLE __attribute__ ((unused))
+#else
+#define UNUSED_VARIABLE
+#endif
+
 static DBusGConnection *bus_connection = NULL;
 static DBusGProxy      *sm_proxy = NULL;
 static char            *client_id = NULL;
@@ -72,7 +78,7 @@ on_client_query_end_session (DBusGProxy     *proxy,
 {
         GError     *error;
         gboolean    is_ok;
-        gboolean    res;
+        gboolean UNUSED_VARIABLE res;
         const char *reason;
 
         is_ok = FALSE;
diff --git a/mate-session/test-inhibit.c b/mate-session/test-inhibit.c
index a712449..d314d9d 100644
--- a/mate-session/test-inhibit.c
+++ b/mate-session/test-inhibit.c
@@ -34,6 +34,12 @@
 #define SM_DBUS_PATH      "/org/mate/SessionManager"
 #define SM_DBUS_INTERFACE "org.mate.SessionManager"
 
+#ifdef __GNUC__
+#define UNUSED_VARIABLE __attribute__ ((unused))
+#else
+#define UNUSED_VARIABLE
+#endif
+
 static DBusGConnection *bus_connection = NULL;
 static DBusGProxy      *sm_proxy = NULL;
 static guint            cookie = 0;
@@ -73,7 +79,7 @@ do_inhibit_for_window (GdkWindow *window)
 {
         GError     *error;
         gboolean    res;
-        const char *startup_id;
+        const char UNUSED_VARIABLE *startup_id;
         const char *app_id;
         const char *reason;
         guint       toplevel_xid;