From b9fb2f0933b76c8228ab2163016b345e61175c46 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Sat, 26 Jan 2019 15:09:33 +0100
Subject: [PATCH] Add missing G_GNUC_FALLTHROUGH statements

---
 gtk/gtkcssarrayvalue.c      | 1 +
 gtk/gtkcssdimensionvalue.c  | 1 +
 gtk/gtkcssnodedeclaration.c | 3 +++
 gtk/gtkmain.c               | 2 ++
 4 files changed, 7 insertions(+)

diff --git a/gtk/gtkcssarrayvalue.c b/gtk/gtkcssarrayvalue.c
index 29fd305791..11cfebbc94 100644
--- a/gtk/gtkcssarrayvalue.c
+++ b/gtk/gtkcssarrayvalue.c
@@ -289,6 +289,7 @@ gtk_css_value_array_transition (GtkCssValue *start,
        * into arrays and start animating them. */
       g_warning ("Don't know how to transition arrays for property '%s'", 
                  _gtk_style_property_get_name (GTK_STYLE_PROPERTY (_gtk_css_style_property_lookup_by_id (property_id))));
+      return NULL;
     case GTK_CSS_PROPERTY_TRANSITION_PROPERTY:
     case GTK_CSS_PROPERTY_TRANSITION_DURATION:
     case GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION:
diff --git a/gtk/gtkcssdimensionvalue.c b/gtk/gtkcssdimensionvalue.c
index 0e423e43b4..4efdf13ef2 100644
--- a/gtk/gtkcssdimensionvalue.c
+++ b/gtk/gtkcssdimensionvalue.c
@@ -111,6 +111,7 @@ gtk_css_value_dimension_compute (GtkCssValue      *number,
         return gtk_css_dimension_value_new (number->value / 100.0 * 
                                             get_base_font_size_px (property_id, provider, style, parent_style),
                                             GTK_CSS_PX);
+      G_GNUC_FALLTHROUGH;
     case GTK_CSS_NUMBER:
     case GTK_CSS_PX:
     case GTK_CSS_DEG:
diff --git a/gtk/gtkcssnodedeclaration.c b/gtk/gtkcssnodedeclaration.c
index 10b5458b02..6fb7422ae4 100644
--- a/gtk/gtkcssnodedeclaration.c
+++ b/gtk/gtkcssnodedeclaration.c
@@ -316,14 +316,17 @@ gtk_css_node_declaration_has_class (const GtkCssNodeDeclaration *decl,
     case 3:
       if (classes[2] == class_quark)
         return TRUE;
+      G_GNUC_FALLTHROUGH;
 
     case 2:
       if (classes[1] == class_quark)
         return TRUE;
+      G_GNUC_FALLTHROUGH;
 
     case 1:
       if (classes[0] == class_quark)
         return TRUE;
+      G_GNUC_FALLTHROUGH;
 
     case 0:
       return FALSE;
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 2960f878e3..8becf17e91 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -1685,6 +1685,7 @@ handle_pointing_event (GdkEvent *event)
       if (event->crossing.mode == GDK_CROSSING_GRAB ||
           event->crossing.mode == GDK_CROSSING_UNGRAB)
         break;
+      G_GNUC_FALLTHROUGH;
     case GDK_TOUCH_END:
     case GDK_TOUCH_CANCEL:
       old_target = update_pointer_focus_state (toplevel, event, NULL);
@@ -1697,6 +1698,7 @@ handle_pointing_event (GdkEvent *event)
       if (event->crossing.mode == GDK_CROSSING_GRAB ||
           event->crossing.mode == GDK_CROSSING_UNGRAB)
         break;
+      G_GNUC_FALLTHROUGH;
     case GDK_TOUCH_BEGIN:
     case GDK_TOUCH_UPDATE:
     case GDK_MOTION_NOTIFY:
-- 
2.30.2