fix some compiler warnings generated by clang static analyzer

6 files changed, 25 insertions, 46 deletions

diff --git a/src/device-provider-upower.c b/src/device-provider-upower.c
index 7c12beb..400a060 100644
--- a/src/device-provider-upower.c
+++ b/src/device-provider-upower.c
@@ -17,8 +17,6 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "config.h"
-
 #include "dbus-upower.h"
 #include "device.h"
 #include "device-provider.h"
@@ -60,7 +58,7 @@ G_DEFINE_TYPE_WITH_CODE (
   indicator_power_device_provider_upower,
   G_TYPE_OBJECT,
   G_IMPLEMENT_INTERFACE (INDICATOR_TYPE_POWER_DEVICE_PROVIDER,
-                         indicator_power_device_provider_interface_init));
+                         indicator_power_device_provider_interface_init))
 
 /***
 ****  UPOWER DBUS
@@ -102,7 +100,7 @@ on_device_properties_ready (GObject * o, GAsyncResult * res, gpointer gdata)
       gdouble percentage = 0;
       gint64 time_to_empty = 0;
       gint64 time_to_full = 0;
-      time_t time;
+      gint64 time;
       IndicatorPowerDevice * device;
       IndicatorPowerDeviceProviderUPowerPriv * p = data->self->priv;
       GVariant * dict = g_variant_get_child_value (response, 0);
@@ -120,7 +118,7 @@ on_device_properties_ready (GObject * o, GAsyncResult * res, gpointer gdata)
                                 INDICATOR_POWER_DEVICE_STATE, (gint)state,
                                 INDICATOR_POWER_DEVICE_OBJECT_PATH, data->path,
                                 INDICATOR_POWER_DEVICE_PERCENTAGE, percentage,
-                                INDICATOR_POWER_DEVICE_TIME, (guint64)time,
+                                INDICATOR_POWER_DEVICE_TIME, time,
                                 NULL);
         }
       else
@@ -129,7 +127,7 @@ on_device_properties_ready (GObject * o, GAsyncResult * res, gpointer gdata)
                                                kind,
                                                percentage,
                                                state,
-                                               time);
+                                               (time_t)time);
 
           g_hash_table_insert (p->devices,
                                g_strdup (data->path),
diff --git a/src/device-provider.c b/src/device-provider.c
index 81a8eec..46fcfad 100644
--- a/src/device-provider.c
+++ b/src/device-provider.c
@@ -29,7 +29,7 @@ static guint signals[SIGNAL_LAST] = { 0 };
 
 G_DEFINE_INTERFACE (IndicatorPowerDeviceProvider,
                     indicator_power_device_provider,
-                    0);
+                    0)
 
 static void
 indicator_power_device_provider_default_init (IndicatorPowerDeviceProviderInterface * klass)
diff --git a/src/device.c b/src/device.c
index 8780d72..f37aa7d 100644
--- a/src/device.c
+++ b/src/device.c
@@ -44,8 +44,6 @@ struct _IndicatorPowerDevicePrivate
   GTimer * inestimable;
 };
 
-#define INDICATOR_POWER_DEVICE_GET_PRIVATE(o) (INDICATOR_POWER_DEVICE(o)->priv)
-
 /* Properties */
 /* Enum for the properties so that they can be quickly found and looked up. */
 enum {
@@ -69,7 +67,7 @@ static void set_property (GObject*, guint prop_id, const GValue*, GParamSpec* );
 static void get_property (GObject*, guint prop_id,       GValue*, GParamSpec* );
 
 /* LCOV_EXCL_START */
-G_DEFINE_TYPE (IndicatorPowerDevice, indicator_power_device, G_TYPE_OBJECT);
+G_DEFINE_TYPE (IndicatorPowerDevice, indicator_power_device, G_TYPE_OBJECT)
 /* LCOV_EXCL_STOP */
 
 static void
@@ -189,7 +187,7 @@ get_property (GObject * o, guint  prop_id, GValue * value, GParamSpec * pspec)
         break;
 
       case PROP_TIME:
-        g_value_set_uint64 (value, priv->time);
+        g_value_set_uint64 (value, (guint64)priv->time);
         break;
 
       default:
@@ -207,11 +205,11 @@ set_property (GObject * o, guint prop_id, const GValue * value, GParamSpec * psp
   switch (prop_id)
     {
       case PROP_KIND:
-        p->kind = g_value_get_int (value);
+        p->kind = (UpDeviceKind) g_value_get_int (value);
         break;
 
       case PROP_STATE:
-        p->state = g_value_get_int (value);
+        p->state = (UpDeviceState) g_value_get_int (value);
         break;
 
       case PROP_OBJECT_PATH:
@@ -224,7 +222,7 @@ set_property (GObject * o, guint prop_id, const GValue * value, GParamSpec * psp
         break;
 
       case PROP_TIME:
-        p->time = g_value_get_uint64(value);
+        p->time = (time_t) g_value_get_uint64(value);
         break;
 
       default:
@@ -627,8 +625,8 @@ get_accessible_time_remaining (const IndicatorPowerDevice * device)
 
   if (p->time && ((p->state == UP_DEVICE_STATE_CHARGING) || (p->state == UP_DEVICE_STATE_DISCHARGING)))
     {
-      int minutes = p->time / 60;
-      const int hours = minutes / 60;
+      guint minutes = (guint)p->time / 60u;
+      const guint hours = minutes / 60u;
       minutes %= 60;
 
       if (p->state == UP_DEVICE_STATE_CHARGING)
@@ -889,5 +887,5 @@ indicator_power_device_new_from_variant (GVariant * v)
                                      kind,
                                      percentage,
                                      state,
-                                     time);
+                                     (time_t)time);
 }
diff --git a/src/ib-brightness-control.c b/src/ib-brightness-control.c
index 4fb6bc5..67da10c 100644
--- a/src/ib-brightness-control.c
+++ b/src/ib-brightness-control.c
@@ -76,7 +76,7 @@ ib_brightness_control_set_value (IbBrightnessControl* self, gint value)
     gint fd;
     gchar *filename;
     gchar *svalue;
-    gint length;
+    size_t length;
     gint err;
 
     if (self->path == NULL)
@@ -95,7 +95,7 @@ ib_brightness_control_set_value (IbBrightnessControl* self, gint value)
 
     err = errno;
     errno = 0;
-    if (write (fd, svalue, length) != length) {
+    if (write (fd, svalue, length) != (ssize_t)length) {
         g_warning ("Fail to write brightness information: %s", g_strerror(errno));
     }
     errno = err;
@@ -105,7 +105,7 @@ ib_brightness_control_set_value (IbBrightnessControl* self, gint value)
     g_free (filename);
 }
 
-gint
+static gint
 ib_brightness_control_get_value_from_file (IbBrightnessControl *self, const gchar *file)
 {
     GError *error;
diff --git a/src/main.c b/src/main.c
index ef615dc..7363284 100644
--- a/src/main.c
+++ b/src/main.c
@@ -17,8 +17,6 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "config.h"
-
 #include <locale.h>
 #include <stdlib.h> /* exit() */
 
diff --git a/src/service.c b/src/service.c
index 6438c9a..7478d0f 100644
--- a/src/service.c
+++ b/src/service.c
@@ -18,8 +18,6 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "config.h"
-
 #include <glib/gi18n.h>
 #include <gio/gio.h>
 #include <url-dispatcher.h>
@@ -471,7 +469,7 @@ get_brightness_range (IndicatorPowerService * self, gint * low, gint * high)
     {
       max = ib_brightness_uscreen_control_get_max_value (self->priv->brightness_uscreen_control);
     }
-  *low  = max * 0.05; /* 5% minimum -- don't let the screen go completely dark */
+  *low  = (gint)(max * 0.05); /* 5% minimum -- don't let the screen go completely dark */
   *high = max;
 }
 
@@ -621,18 +619,6 @@ rebuild_header_now (IndicatorPowerService * self)
   rebuild_now (self, SECTION_HEADER);
 }
 
-static inline void
-rebuild_devices_section_now (IndicatorPowerService * self)
-{
-  rebuild_now (self, SECTION_DEVICES);
-}
-
-static inline void
-rebuild_settings_section_now (IndicatorPowerService * self)
-{
-  rebuild_now (self, SECTION_SETTINGS);
-}
-
 static void
 create_menu (IndicatorPowerService * self, int profile)
 {
@@ -938,7 +924,7 @@ on_devices_changed (IndicatorPowerService * self)
   if (p->primary_device == NULL)
     battery_level = 0;
   else
-    battery_level = (int)(indicator_power_device_get_percentage (p->primary_device) + 0.5);
+    battery_level = (guint32)(indicator_power_device_get_percentage (p->primary_device) + 0.5);
   g_simple_action_set_state (p->battery_level_action, g_variant_new_uint32 (battery_level));
 
   rebuild_now (self, SECTION_HEADER | SECTION_DEVICES);
@@ -1131,9 +1117,8 @@ indicator_power_service_set_device_provider (IndicatorPowerService * self,
 
   if (p->device_provider != NULL)
     {
-      g_signal_handlers_disconnect_by_func (p->device_provider,
-                                            G_CALLBACK(on_devices_changed),
-                                            self);
+      g_signal_handlers_disconnect_by_data (p->device_provider, self);
+
       g_clear_object (&p->device_provider);
 
       g_clear_object (&p->primary_device);
@@ -1177,13 +1162,13 @@ create_totalled_battery_device (const GList * devices)
 
   for (l=devices; l!=NULL; l=l->next)
     {
-      const IndicatorPowerDevice * device = INDICATOR_POWER_DEVICE(l->data);
+      const IndicatorPowerDevice * walk = INDICATOR_POWER_DEVICE(l->data);
 
-      if (indicator_power_device_get_kind(device) == UP_DEVICE_KIND_BATTERY)
+      if (indicator_power_device_get_kind(walk) == UP_DEVICE_KIND_BATTERY)
         {
-          const double percent = indicator_power_device_get_percentage (device);
-          const time_t t = indicator_power_device_get_time (device);
-          const UpDeviceState state = indicator_power_device_get_state (device);
+          const double percent = indicator_power_device_get_percentage (walk);
+          const time_t t = indicator_power_device_get_time (walk);
+          const UpDeviceState state = indicator_power_device_get_state (walk);
 
           ++n_batteries;