gtk: Strip newlines from g_warning and g_error

g_logv adds one for us already.

40 files changed, 83 insertions, 86 deletions

diff --git a/gtk/deprecated/gtkcolorsel.c b/gtk/deprecated/gtkcolorsel.c
index 730b2b8255..edc1f5b638 100644
--- a/gtk/deprecated/gtkcolorsel.c
+++ b/gtk/deprecated/gtkcolorsel.c
@@ -867,7 +867,7 @@ color_sample_drop_handle (GtkWidget        *widget,
    */
   if (length != 8)
     {
-      g_warning ("Received invalid color data\n");
+      g_warning ("Received invalid color data");
       return;
     }
 
@@ -1595,7 +1595,7 @@ palette_drop_handle (GtkWidget        *widget,
    */
   if (length != 8)
     {
-      g_warning ("Received invalid color data\n");
+      g_warning ("Received invalid color data");
       return;
     }
 
diff --git a/gtk/deprecated/gtkrecentaction.c b/gtk/deprecated/gtkrecentaction.c
index 782d177144..4b1b1b8049 100644
--- a/gtk/deprecated/gtkrecentaction.c
+++ b/gtk/deprecated/gtkrecentaction.c
@@ -162,16 +162,14 @@ gtk_recent_action_unselect_uri (GtkRecentChooser *chooser,
 static void
 gtk_recent_action_select_all (GtkRecentChooser *chooser)
 {
-  g_warning ("This function is not implemented for "
-	     "widgets of class '%s'",
+  g_warning ("This function is not implemented for widgets of class '%s'",
              g_type_name (G_OBJECT_TYPE (chooser)));
 }
 
 static void
 gtk_recent_action_unselect_all (GtkRecentChooser *chooser)
 {
-  g_warning ("This function is not implemented for "
-	     "widgets of class '%s'",
+  g_warning ("This function is not implemented for widgets of class '%s'",
              g_type_name (G_OBJECT_TYPE (chooser)));
 }
 
diff --git a/gtk/deprecated/gtkstock.c b/gtk/deprecated/gtkstock.c
index a5299ebc4c..137fe68afa 100644
--- a/gtk/deprecated/gtkstock.c
+++ b/gtk/deprecated/gtkstock.c
@@ -106,7 +106,7 @@ real_add (const GtkStockItem *items,
         {
           if (item->modifier & NON_STATIC_MASK)
             {
-              g_warning ("Bit 29 set in stock accelerator.\n");
+              g_warning ("Bit 29 set in stock accelerator.");
               copy = TRUE;
             }
 
diff --git a/gtk/deprecated/gtkuimanager.c b/gtk/deprecated/gtkuimanager.c
index 30744fd21c..b79895b25a 100644
--- a/gtk/deprecated/gtkuimanager.c
+++ b/gtk/deprecated/gtkuimanager.c
@@ -734,7 +734,7 @@ gtk_ui_manager_buildable_construct_child (GtkBuildable *buildable,
   widget = gtk_ui_manager_get_widget (GTK_UI_MANAGER (buildable), name);
   if (!widget)
     {
-      g_error ("Unknown ui manager child: %s\n", name);
+      g_error ("Unknown ui manager child: %s", name);
       g_free (name);
       return NULL;
     }
@@ -983,7 +983,7 @@ gtk_ui_manager_insert_action_group (GtkUIManager   *manager,
       if (strcmp (gtk_action_group_get_name (group), group_name) == 0)
         {
           g_warning ("Inserting action group '%s' into UI manager which "
-		     "already has a group with this name\n", group_name);
+		     "already has a group with this name", group_name);
           break;
         }
     }
@@ -2184,8 +2184,7 @@ gtk_ui_manager_add_ui (GtkUIManager        *manager,
 
   if (node_type == NODE_TYPE_UNDECIDED)
     {
-      g_warning ("item type %d not suitable for adding at '%s'", 
-		 type, path);
+      g_warning ("item type %d not suitable for adding at '%s'", type, path);
       return;
     }
    
diff --git a/gtk/gtkcalendar.c b/gtk/gtkcalendar.c
index bb31f5fe1e..f5df3efebe 100644
--- a/gtk/gtkcalendar.c
+++ b/gtk/gtkcalendar.c
@@ -800,7 +800,7 @@ gtk_calendar_init (GtkCalendar *calendar)
   if (strcmp (year_before, "calendar:YM") == 0)
     priv->year_before = 1;
   else if (strcmp (year_before, "calendar:MY") != 0)
-    g_warning ("Whoever translated calendar:MY did so wrongly.\n");
+    g_warning ("Whoever translated calendar:MY did so wrongly.");
 
 #ifdef G_OS_WIN32
   priv->week_start = 0;
@@ -826,7 +826,7 @@ gtk_calendar_init (GtkCalendar *calendar)
   else if (week_origin == 19971201) /* Monday */
     week_1stday = 1;
   else
-    g_warning ("Unknown value of _NL_TIME_WEEK_1STDAY.\n");
+    g_warning ("Unknown value of _NL_TIME_WEEK_1STDAY.");
 
   priv->week_start = (week_1stday + first_weekday - 1) % 7;
 #else
@@ -843,7 +843,7 @@ gtk_calendar_init (GtkCalendar *calendar)
 
   if (priv->week_start < 0 || priv->week_start > 6)
     {
-      g_warning ("Whoever translated calendar:week_start:0 did so wrongly.\n");
+      g_warning ("Whoever translated calendar:week_start:0 did so wrongly.");
       priv->week_start = 0;
     }
 #endif
@@ -3454,7 +3454,7 @@ gtk_calendar_drag_data_received (GtkWidget        *widget,
 
   if (!g_date_valid (date))
     {
-      g_warning ("Received invalid date data\n");
+      g_warning ("Received invalid date data");
       g_date_free (date);
       gtk_drag_finish (context, FALSE, FALSE, time);
       return;
diff --git a/gtk/gtkcellrendererspinner.c b/gtk/gtkcellrendererspinner.c
index 025f393951..9ab5b14d72 100644
--- a/gtk/gtkcellrendererspinner.c
+++ b/gtk/gtkcellrendererspinner.c
@@ -199,7 +199,7 @@ gtk_cell_renderer_spinner_update_size (GtkCellRendererSpinner *cell,
 
   if (!gtk_icon_size_lookup (priv->icon_size, &priv->size, NULL))
     {
-      g_warning ("Invalid icon size %u\n", priv->icon_size);
+      g_warning ("Invalid icon size %u", priv->icon_size);
       priv->size = 24;
     }
 }
diff --git a/gtk/gtkcolorswatch.c b/gtk/gtkcolorswatch.c
index ff4b8b2fd2..9fe3ac1bca 100644
--- a/gtk/gtkcolorswatch.c
+++ b/gtk/gtkcolorswatch.c
@@ -246,7 +246,7 @@ swatch_drag_data_received (GtkWidget        *widget,
    */
   if (length != 8)
     {
-      g_warning ("Received invalid color data\n");
+      g_warning ("Received invalid color data");
       return;
     }
 
diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index c6481a60ca..1b2962cc36 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -555,7 +555,7 @@ verify_tree_match_results (GtkCssProvider *provider,
       should_match = _gtk_css_selector_matches (ruleset->selector, matcher);
       if (found != !!should_match)
 	{
-	  g_error ("expected rule '%s' to %s, but it %s\n",
+	  g_error ("expected rule '%s' to %s, but it %s",
 		   _gtk_css_selector_to_string (ruleset->selector),
 		   should_match ? "match" : "not match",
 		   found ? "matched" : "didn't match");
diff --git a/gtk/gtkcustompaperunixdialog.c b/gtk/gtkcustompaperunixdialog.c
index b98ba78abd..993f0e0a65 100644
--- a/gtk/gtkcustompaperunixdialog.c
+++ b/gtk/gtkcustompaperunixdialog.c
@@ -129,7 +129,7 @@ _gtk_print_get_default_user_units (void)
   if (strcmp (e, "default:inch")==0)
     return GTK_UNIT_INCH;
   else if (strcmp (e, "default:mm"))
-    g_warning ("Whoever translated default:mm did so wrongly.\n");
+    g_warning ("Whoever translated default:mm did so wrongly.");
   return GTK_UNIT_MM;
 }
 
diff --git a/gtk/gtkfilechoosernativewin32.c b/gtk/gtkfilechoosernativewin32.c
index 8cc5580415..22411d35be 100644
--- a/gtk/gtkfilechoosernativewin32.c
+++ b/gtk/gtkfilechoosernativewin32.c
@@ -85,7 +85,7 @@ g_warning_hr (const char *msg, HRESULT hr)
 {
   char *errmsg;
   errmsg = g_win32_error_message (hr);
-  g_warning ("%s: %s\n", msg, errmsg);
+  g_warning ("%s: %s", msg, errmsg);
   g_free (errmsg);
 }
 
@@ -413,11 +413,11 @@ filechooser_win32_thread (gpointer _data)
                            &IID_IFileOpenDialog, (LPVOID *) &pfd);
 
   if (FAILED (hr))
-    g_error ("Can't create FileOpenDialog: %s\n", g_win32_error_message (hr));
+    g_error ("Can't create FileOpenDialog: %s", g_win32_error_message (hr));
 
   hr = IFileDialog_GetOptions (pfd, &flags);
   if (FAILED (hr))
-    g_error ("Can't get FileDialog options: %s\n", g_win32_error_message (hr));
+    g_error ("Can't get FileDialog options: %s", g_win32_error_message (hr));
 
   flags |= FOS_FORCEFILESYSTEM;
 
@@ -440,7 +440,7 @@ filechooser_win32_thread (gpointer _data)
 
   hr = IFileDialog_SetOptions (pfd, flags);
   if (FAILED (hr))
-    g_error ("Can't set FileDialog options: %s\n", g_win32_error_message (hr));
+    g_error ("Can't set FileDialog options: %s", g_win32_error_message (hr));
 
   if (data->title)
     {
@@ -536,7 +536,7 @@ filechooser_win32_thread (gpointer _data)
 
   hr = IFileDialog_Advise (pfd, data->events, &cookie);
   if (FAILED (hr))
-    g_error ("Can't Advise FileDialog: %s\n", g_win32_error_message (hr));
+    g_error ("Can't Advise FileDialog: %s", g_win32_error_message (hr));
 
   hr = IFileDialog_Show (pfd, data->parent);
   if (SUCCEEDED (hr))
@@ -551,18 +551,18 @@ filechooser_win32_thread (gpointer _data)
 
           hr = IFileOpenDialog_GetResults (pfod, &res);
           if (FAILED (hr))
-            g_error ("Can't get FileOpenDialog results: %s\n", g_win32_error_message (hr));
+            g_error ("Can't get FileOpenDialog results: %s", g_win32_error_message (hr));
 
           hr = IShellItemArray_GetCount (res, &count);
           if (FAILED (hr))
-            g_error ("Can't get FileOpenDialog count: %s\n", g_win32_error_message (hr));
+            g_error ("Can't get FileOpenDialog count: %s", g_win32_error_message (hr));
 
           for (i = 0; i < count; i++)
             {
               IShellItem *item;
               hr = IShellItemArray_GetItemAt (res, i, &item);
               if (FAILED (hr))
-                g_error ("Can't get item at %lu: %s\n", i, g_win32_error_message (hr));
+                g_error ("Can't get item at %lu: %s", i, g_win32_error_message (hr));
               data_add_shell_item (data, item);
               IShellItem_Release (item);
             }
@@ -575,7 +575,7 @@ filechooser_win32_thread (gpointer _data)
           IShellItem *item;
           hr = IFileDialog_GetResult (pfd, &item);
           if (FAILED (hr))
-            g_error ("Can't get FileDialog result: %s\n", g_win32_error_message (hr));
+            g_error ("Can't get FileDialog result: %s", g_win32_error_message (hr));
 
           data_add_shell_item (data, item);
           IShellItem_Release (item);
@@ -584,7 +584,7 @@ filechooser_win32_thread (gpointer _data)
 
   hr = IFileDialog_Unadvise (pfd, cookie);
   if (FAILED (hr))
-    g_error ("Can't Unadvise FileDialog: %s\n", g_win32_error_message (hr));
+    g_error ("Can't Unadvise FileDialog: %s", g_win32_error_message (hr));
 
   IFileDialog_Release ((IUnknown *)pfd);
 
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 78b870a3d6..1552c6e9c9 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -6045,7 +6045,7 @@ gtk_file_chooser_widget_add_filter (GtkFileChooser *chooser,
 
   if (g_slist_find (priv->filters, filter))
     {
-      g_warning ("gtk_file_chooser_add_filter() called on filter already in list\n");
+      g_warning ("gtk_file_chooser_add_filter() called on filter already in list");
       return;
     }
 
@@ -6078,7 +6078,7 @@ gtk_file_chooser_widget_remove_filter (GtkFileChooser *chooser,
 
   if (filter_index < 0)
     {
-      g_warning ("gtk_file_chooser_remove_filter() called on filter not in list\n");
+      g_warning ("gtk_file_chooser_remove_filter() called on filter not in list");
       return;
     }
 
diff --git a/gtk/gtkflowbox.c b/gtk/gtkflowbox.c
index 364474494c..ecec916002 100644
--- a/gtk/gtkflowbox.c
+++ b/gtk/gtkflowbox.c
@@ -3256,7 +3256,7 @@ gtk_flow_box_remove (GtkContainer *container,
       child = (GtkFlowBoxChild*)gtk_widget_get_parent (widget);
       if (!GTK_IS_FLOW_BOX_CHILD (child))
         {
-          g_warning ("Tried to remove non-child %p\n", widget);
+          g_warning ("Tried to remove non-child %p", widget);
           return;
         }
     }
diff --git a/gtk/gtkiconcache.c b/gtk/gtkiconcache.c
index a8cfaf4b29..63a943f46e 100644
--- a/gtk/gtkiconcache.c
+++ b/gtk/gtkiconcache.c
@@ -144,7 +144,7 @@ _gtk_icon_cache_new_for_path (const gchar *path)
       if (!_gtk_icon_cache_validate (&info))
         {
           g_mapped_file_unref (map);
-          g_warning ("Icon cache '%s' is invalid\n", cache_filename);
+          g_warning ("Icon cache '%s' is invalid", cache_filename);
 
           goto done;
         }
diff --git a/gtk/gtkiconhelper.c b/gtk/gtkiconhelper.c
index 43e6f673ea..c03c48712b 100644
--- a/gtk/gtkiconhelper.c
+++ b/gtk/gtkiconhelper.c
@@ -239,7 +239,7 @@ ensure_icon_size (GtkIconHelper *self,
         }
       else
         {
-          g_warning ("Invalid icon size %d\n", self->priv->icon_size);
+          g_warning ("Invalid icon size %d", self->priv->icon_size);
           width = height = 24;
         }
     }
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index d7dc37154d..df8fdc099e 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -1192,12 +1192,12 @@ insert_theme (GtkIconTheme *icon_theme,
   theme->display_name = 
     g_key_file_get_locale_string (theme_file, "Icon Theme", "Name", NULL, NULL);
   if (!theme->display_name)
-    g_warning ("Theme file for %s has no name\n", theme_name);
+    g_warning ("Theme file for %s has no name", theme_name);
 
   dirs = g_key_file_get_string_list (theme_file, "Icon Theme", "Directories", NULL, NULL);
   if (!dirs)
     {
-      g_warning ("Theme file for %s has no directories\n", theme_name);
+      g_warning ("Theme file for %s has no directories", theme_name);
       priv->themes = g_list_remove (priv->themes, theme);
       g_free (theme->name);
       g_free (theme->display_name);
diff --git a/gtk/gtklinkbutton.c b/gtk/gtklinkbutton.c
index 99d7fd3332..26c6cf191a 100644
--- a/gtk/gtklinkbutton.c
+++ b/gtk/gtklinkbutton.c
@@ -574,7 +574,7 @@ gtk_link_button_new (const gchar *uri)
       if (conv_err)
         {
           g_warning ("Attempting to convert URI '%s' to UTF-8, but failed "
-                     "with error: %s\n",
+                     "with error: %s",
                      uri,
                      conv_err->message);
           g_error_free (conv_err);
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index 59a46b88cd..c3aa6a9e7f 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -2435,7 +2435,7 @@ gtk_list_box_remove (GtkContainer *container,
         }
       else
         {
-          g_warning ("Tried to remove non-child %p\n", child);
+          g_warning ("Tried to remove non-child %p", child);
         }
       return;
     }
@@ -2443,7 +2443,7 @@ gtk_list_box_remove (GtkContainer *container,
   row = GTK_LIST_BOX_ROW (child);
   if (g_sequence_iter_get_sequence (ROW_PRIV (row)->iter) != priv->children)
     {
-      g_warning ("Tried to remove non-child %p\n", child);
+      g_warning ("Tried to remove non-child %p", child);
       return;
     }
 
diff --git a/gtk/gtkliststore.c b/gtk/gtkliststore.c
index 038bab4fbf..8bf3eb19cd 100644
--- a/gtk/gtkliststore.c
+++ b/gtk/gtkliststore.c
@@ -431,7 +431,7 @@ gtk_list_store_new (gint n_columns,
       GType type = va_arg (args, GType);
       if (! _gtk_tree_data_list_check_type (type))
         {
-          g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (type));
+          g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (type));
           g_object_unref (retval);
           va_end (args);
 
@@ -472,7 +472,7 @@ gtk_list_store_newv (gint   n_columns,
     {
       if (! _gtk_tree_data_list_check_type (types[i]))
 	{
-	  g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (types[i]));
+	  g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (types[i]));
 	  g_object_unref (retval);
 	  return NULL;
 	}
@@ -513,7 +513,7 @@ gtk_list_store_set_column_types (GtkListStore *list_store,
     {
       if (! _gtk_tree_data_list_check_type (types[i]))
 	{
-	  g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (types[i]));
+	  g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (types[i]));
 	  continue;
 	}
       gtk_list_store_set_column_type (list_store, i, types[i]);
@@ -549,7 +549,7 @@ gtk_list_store_set_column_type (GtkListStore *list_store,
 
   if (!_gtk_tree_data_list_check_type (type))
     {
-      g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (type));
+      g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (type));
       return;
     }
 
@@ -830,7 +830,7 @@ gtk_list_store_real_set_value (GtkListStore *list_store,
     {
       if (! (g_value_type_transformable (G_VALUE_TYPE (value), priv->column_headers[column])))
 	{
-	  g_warning ("%s: Unable to convert from %s to %s\n",
+	  g_warning ("%s: Unable to convert from %s to %s",
 		     G_STRLOC,
 		     g_type_name (G_VALUE_TYPE (value)),
 		     g_type_name (priv->column_headers[column]));
@@ -840,7 +840,7 @@ gtk_list_store_real_set_value (GtkListStore *list_store,
       g_value_init (&real_value, priv->column_headers[column]);
       if (!g_value_transform (value, &real_value))
 	{
-	  g_warning ("%s: Unable to make conversion from %s to %s\n",
+	  g_warning ("%s: Unable to make conversion from %s to %s",
 		     G_STRLOC,
 		     g_type_name (G_VALUE_TYPE (value)),
 		     g_type_name (priv->column_headers[column]));
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index d3c3ba2057..3afc189f76 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -1196,7 +1196,7 @@ gtk_get_locale_direction (void)
   if (g_strcmp0 (e, "default:RTL") == 0)
     dir = GTK_TEXT_DIR_RTL;
   else if (g_strcmp0 (e, "default:LTR") != 0)
-    g_warning ("Whoever translated default:LTR did so wrongly. Defaulting to LTR.\n");
+    g_warning ("Whoever translated default:LTR did so wrongly. Defaulting to LTR.");
 
   return dir;
 }
diff --git a/gtk/gtkmountoperation-x11.c b/gtk/gtkmountoperation-x11.c
index 4ecef653c5..10c7bbcf81 100644
--- a/gtk/gtkmountoperation-x11.c
+++ b/gtk/gtkmountoperation-x11.c
@@ -160,7 +160,7 @@ get_utf8_property (Display *xdisplay,
 
   if (!g_utf8_validate (val, nitems, NULL))
     {
-      g_warning ("Property %s contained invalid UTF-8\n",
+      g_warning ("Property %s contained invalid UTF-8",
                  gdk_x11_get_xatom_name (atom));
       XFree (val);
       return NULL;
diff --git a/gtk/gtkmountoperation.c b/gtk/gtkmountoperation.c
index f9365b0e8a..e78a5e235a 100644
--- a/gtk/gtkmountoperation.c
+++ b/gtk/gtkmountoperation.c
@@ -760,7 +760,7 @@ call_password_proxy_cb (GObject      *source,
                                                               &error))
     {
       result = G_MOUNT_OPERATION_ABORTED;
-      g_warning ("Shell mount operation error: %s\n", error->message);
+      g_warning ("Shell mount operation error: %s", error->message);
       g_error_free (error);
       goto out;
     }
@@ -927,7 +927,7 @@ call_question_proxy_cb (GObject      *source,
                                                               &error))
     {
       result = G_MOUNT_OPERATION_ABORTED;
-      g_warning ("Shell mount operation error: %s\n", error->message);
+      g_warning ("Shell mount operation error: %s", error->message);
       g_error_free (error);
       goto out;
     }
@@ -1549,7 +1549,7 @@ call_processes_proxy_cb (GObject     *source,
                                                                 &error))
     {
       result = G_MOUNT_OPERATION_ABORTED;
-      g_warning ("Shell mount operation error: %s\n", error->message);
+      g_warning ("Shell mount operation error: %s", error->message);
       g_error_free (error);
       goto out;
     }
diff --git a/gtk/gtkpaned.c b/gtk/gtkpaned.c
index 1d16ab0be1..0c7bc30a56 100644
--- a/gtk/gtkpaned.c
+++ b/gtk/gtkpaned.c
@@ -2267,7 +2267,7 @@ gtk_paned_add (GtkContainer *container,
   else if (!priv->child2)
     gtk_paned_add2 (paned, widget);
   else
-    g_warning ("GtkPaned cannot have more than 2 children\n");
+    g_warning ("GtkPaned cannot have more than 2 children");
 }
 
 static void
diff --git a/gtk/gtkpapersize.c b/gtk/gtkpapersize.c
index a9399a6e9e..278832e39e 100644
--- a/gtk/gtkpapersize.c
+++ b/gtk/gtkpapersize.c
@@ -260,7 +260,7 @@ gtk_paper_size_new (const gchar *name)
         size = gtk_paper_size_new_from_info (info);
       else
         {
-          g_warning ("Unknown paper size %s\n", name);
+          g_warning ("Unknown paper size %s", name);
           size = g_slice_new0 (GtkPaperSize);
           size->name = g_strdup (name);
           size->display_name = g_strdup (name);
diff --git a/gtk/gtkpixelcache.c b/gtk/gtkpixelcache.c
index 9448401b9e..87ed977ce8 100644
--- a/gtk/gtkpixelcache.c
+++ b/gtk/gtkpixelcache.c
@@ -78,7 +78,7 @@ _gtk_pixel_cache_free (GtkPixelCache *cache)
       cache->surface ||
       cache->surface_dirty)
     {
-      g_warning ("pixel cache freed that wasn't unmapped: tag %u surface %p sirty %p",
+      g_warning ("pixel cache freed that wasn't unmapped: tag %u surface %p dirty %p",
                  cache->timeout_tag, cache->surface, cache->surface_dirty);
     }
 
diff --git a/gtk/gtkprintbackend.c b/gtk/gtkprintbackend.c
index 8ec6dbc99b..cccdbcaaf7 100644
--- a/gtk/gtkprintbackend.c
+++ b/gtk/gtkprintbackend.c
@@ -121,7 +121,7 @@ gtk_print_backend_module_load (GTypeModule *module)
   pb_module->library = g_module_open (pb_module->path, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
   if (!pb_module->library)
     {
-      g_warning ("%s", g_module_error());
+      g_warning ("%s", g_module_error ());
       return FALSE;
     }
   
@@ -133,7 +133,7 @@ gtk_print_backend_module_load (GTypeModule *module)
       !g_module_symbol (pb_module->library, "pb_module_create", 
 			&createp))
     {
-      g_warning ("%s", g_module_error());
+      g_warning ("%s", g_module_error ());
       g_module_close (pb_module->library);
       
       return FALSE;
diff --git a/gtk/gtkprintoperation-unix.c b/gtk/gtkprintoperation-unix.c
index 1e17b0f831..d62173ef64 100644
--- a/gtk/gtkprintoperation-unix.c
+++ b/gtk/gtkprintoperation-unix.c
@@ -305,7 +305,7 @@ _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
     {
       gchar* uri;
 
-      g_warning ("%s %s", _("Error launching preview"), error->message);
+      g_warning ("Error launching preview: %s", error->message);
 
       g_error_free (error);
       error = NULL;
diff --git a/gtk/gtkprintoperation-win32.c b/gtk/gtkprintoperation-win32.c
index 1a4b14e92d..f4142cf145 100644
--- a/gtk/gtkprintoperation-win32.c
+++ b/gtk/gtkprintoperation-win32.c
@@ -1676,7 +1676,7 @@ gtk_print_operation_run_with_dialog (GtkPrintOperation *op,
 
       initialized = InitCommonControlsEx (&icc);
       if (!initialized)
-        g_warning ("Failed to InitCommonControlsEx: %lu\n", GetLastError ());
+        g_warning ("Failed to InitCommonControlsEx: %lu", GetLastError ());
 
       _gtk_load_dll_with_libgtk3_manifest ("comdlg32.dll");
 
diff --git a/gtk/gtkrbtree.c b/gtk/gtkrbtree.c
index 2699a34bcd..504b212ac1 100644
--- a/gtk/gtkrbtree.c
+++ b/gtk/gtkrbtree.c
@@ -1550,7 +1550,7 @@ _gtk_rbtree_test_height (GtkRBTree *tree,
     computed_offset += node->children->root->offset;
 
   if (GTK_RBNODE_GET_HEIGHT (node) + computed_offset != node->offset)
-    g_error ("node has broken offset\n");
+    g_error ("node has broken offset");
 
   if (!_gtk_rbtree_is_nil (node->left))
     _gtk_rbtree_test_height (tree, node->left);
diff --git a/gtk/gtkrecentchooserdefault.c b/gtk/gtkrecentchooserdefault.c
index 5d6172dba6..f9a0a6020d 100644
--- a/gtk/gtkrecentchooserdefault.c
+++ b/gtk/gtkrecentchooserdefault.c
@@ -1228,7 +1228,7 @@ gtk_recent_chooser_default_add_filter (GtkRecentChooser *chooser,
   
   if (g_slist_find (impl->priv->filters, filter))
     {
-      g_warning ("gtk_recent_chooser_add_filter() called on filter already in list\n");
+      g_warning ("gtk_recent_chooser_add_filter() called on filter already in list");
       return;
     }
   
@@ -1261,7 +1261,7 @@ gtk_recent_chooser_default_remove_filter (GtkRecentChooser *chooser,
   
   if (filter_idx < 0)
     {
-      g_warning ("gtk_recent_chooser_remove_filter() called on filter not in list\n");
+      g_warning ("gtk_recent_chooser_remove_filter() called on filter not in list");
       return;  
     }
   
diff --git a/gtk/gtksettings.c b/gtk/gtksettings.c
index 7c9a065661..0b158a6931 100644
--- a/gtk/gtksettings.c
+++ b/gtk/gtksettings.c
@@ -2961,7 +2961,7 @@ settings_update_cursor_theme (GtkSettings *settings)
     gdk_win32_display_set_cursor_theme (display, theme, size);
   else
 #endif
-    g_warning ("GtkSettings Cursor Theme: Unsupported GDK backend\n");
+    g_warning ("GtkSettings Cursor Theme: Unsupported GDK backend");
   g_free (theme);
 }
 
diff --git a/gtk/gtksocket.c b/gtk/gtksocket.c
index ee24517e7a..c71ee72a30 100644
--- a/gtk/gtksocket.c
+++ b/gtk/gtksocket.c
@@ -761,7 +761,7 @@ gtk_socket_add_grabbed_key (GtkSocket       *socket,
 			    find_accel_key,
 			    &grabbed_key))
     {
-      g_warning ("GtkSocket: request to add already present grabbed key %u,%#x\n",
+      g_warning ("GtkSocket: request to add already present grabbed key %u,%#x",
 		 keyval, modifiers);
       g_free (grabbed_key);
       return;
@@ -788,7 +788,7 @@ gtk_socket_remove_grabbed_key (GtkSocket      *socket,
 			       GdkModifierType modifiers)
 {
   if (!gtk_accel_group_disconnect_key (socket->priv->accel_group, keyval, modifiers))
-    g_warning ("GtkSocket: request to remove non-present grabbed key %u,%#x\n",
+    g_warning ("GtkSocket: request to remove non-present grabbed key %u,%#x",
 	       keyval, modifiers);
 }
 
@@ -1292,13 +1292,13 @@ xembed_get_info (GdkWindow     *window,
 
   if (type != xembed_info_atom)
     {
-      g_warning ("_XEMBED_INFO property has wrong type\n");
+      g_warning ("_XEMBED_INFO property has wrong type");
       return FALSE;
     }
   
   if (nitems < 2)
     {
-      g_warning ("_XEMBED_INFO too short\n");
+      g_warning ("_XEMBED_INFO too short");
       XFree (data);
       return FALSE;
     }
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 94389333ad..8eaa09017a 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -722,7 +722,7 @@ gtk_stack_set_child_property (GtkContainer *container,
             continue;
           if (g_strcmp0 (info2->name, name) == 0)
             {
-              g_warning ("Duplicate child name in GtkStack: %s\n", name);
+              g_warning ("Duplicate child name in GtkStack: %s", name);
               break;
             }
         }
diff --git a/gtk/gtktextbufferserialize.c b/gtk/gtktextbufferserialize.c
index acb982fd7c..fbe6e91a68 100644
--- a/gtk/gtktextbufferserialize.c
+++ b/gtk/gtktextbufferserialize.c
@@ -72,7 +72,7 @@ G_GNUC_BEGIN_IGNORE_DEPRECATIONS
     }
   else
     {
-      g_warning ("Type %s is not serializable\n", g_type_name (value->g_type));
+      g_warning ("Type %s is not serializable", g_type_name (value->g_type));
     }
 G_GNUC_END_IGNORE_DEPRECATIONS
 
@@ -192,7 +192,7 @@ G_GNUC_BEGIN_IGNORE_DEPRECATIONS
     }
   else
     {
-      g_warning ("Type %s can not be deserialized\n", g_type_name (value->g_type));
+      g_warning ("Type %s can not be deserialized", g_type_name (value->g_type));
     }
 G_GNUC_END_IGNORE_DEPRECATIONS
 
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index e63b661d1d..64bcbf17fe 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -8589,7 +8589,7 @@ gtk_text_view_drag_data_received (GtkWidget        *widget,
 
       if (!retval)
         {
-          g_warning ("error pasting: %s\n", error->message);
+          g_warning ("error pasting: %s", error->message);
           g_clear_error (&error);
         }
     }
diff --git a/gtk/gtktreedatalist.c b/gtk/gtktreedatalist.c
index d24b135f73..442654c1ad 100644
--- a/gtk/gtktreedatalist.c
+++ b/gtk/gtktreedatalist.c
@@ -452,7 +452,7 @@ _gtk_tree_data_list_compare_func (GtkTreeModel *model,
     case G_TYPE_BOXED:
     case G_TYPE_OBJECT:
     default:
-      g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
+      g_warning ("Attempting to sort on invalid type %s", g_type_name (type));
       retval = FALSE;
       break;
     }
diff --git a/gtk/gtktreeselection.c b/gtk/gtktreeselection.c
index d83ea43342..dc9ce5a349 100644
--- a/gtk/gtktreeselection.c
+++ b/gtk/gtktreeselection.c
@@ -853,7 +853,7 @@ out:
     g_warning ("The model has been modified from within gtk_tree_selection_selected_foreach.\n"
 	       "This function is for observing the selections of the tree only.  If\n"
 	       "you are trying to get all selected items from the tree, try using\n"
-	       "gtk_tree_selection_get_selected_rows instead.\n");
+	       "gtk_tree_selection_get_selected_rows instead.");
 }
 
 /**
diff --git a/gtk/gtktreestore.c b/gtk/gtktreestore.c
index 792eb7730c..5cab98ba77 100644
--- a/gtk/gtktreestore.c
+++ b/gtk/gtktreestore.c
@@ -334,7 +334,7 @@ gtk_tree_store_new (gint n_columns,
       GType type = va_arg (args, GType);
       if (! _gtk_tree_data_list_check_type (type))
 	{
-	  g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (type));
+	  g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (type));
 	  g_object_unref (retval);
           va_end (args);
 	  return NULL;
@@ -370,7 +370,7 @@ gtk_tree_store_newv (gint   n_columns,
     {
       if (! _gtk_tree_data_list_check_type (types[i]))
 	{
-	  g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (types[i]));
+	  g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (types[i]));
 	  g_object_unref (retval);
 	  return NULL;
 	}
@@ -407,7 +407,7 @@ gtk_tree_store_set_column_types (GtkTreeStore *tree_store,
     {
       if (! _gtk_tree_data_list_check_type (types[i]))
 	{
-	  g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (types[i]));
+	  g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (types[i]));
 	  continue;
 	}
       gtk_tree_store_set_column_type (tree_store, i, types[i]);
@@ -456,7 +456,7 @@ gtk_tree_store_set_column_type (GtkTreeStore *tree_store,
 
   if (!_gtk_tree_data_list_check_type (type))
     {
-      g_warning ("%s: Invalid type %s\n", G_STRLOC, g_type_name (type));
+      g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (type));
       return;
     }
   priv->column_headers[column] = type;
@@ -854,7 +854,7 @@ gtk_tree_store_real_set_value (GtkTreeStore *tree_store,
     {
       if (! (g_value_type_transformable (G_VALUE_TYPE (value), priv->column_headers[column])))
 	{
-	  g_warning ("%s: Unable to convert from %s to %s\n",
+	  g_warning ("%s: Unable to convert from %s to %s",
 		     G_STRLOC,
 		     g_type_name (G_VALUE_TYPE (value)),
 		     g_type_name (priv->column_headers[column]));
@@ -864,7 +864,7 @@ gtk_tree_store_real_set_value (GtkTreeStore *tree_store,
       g_value_init (&real_value, priv->column_headers[column]);
       if (!g_value_transform (value, &real_value))
 	{
-	  g_warning ("%s: Unable to make conversion from %s to %s\n",
+	  g_warning ("%s: Unable to make conversion from %s to %s",
 		     G_STRLOC,
 		     g_type_name (G_VALUE_TYPE (value)),
 		     g_type_name (priv->column_headers[column]));
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 16a185583d..b77c1539ca 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -9486,12 +9486,12 @@ gtk_widget_set_parent (GtkWidget *widget,
 
   if (priv->parent != NULL)
     {
-      g_warning ("Can't set a parent on widget which has a parent\n");
+      g_warning ("Can't set a parent on widget which has a parent");
       return;
     }
   if (_gtk_widget_is_toplevel (widget))
     {
-      g_warning ("Can't set a parent on a toplevel widget\n");
+      g_warning ("Can't set a parent on a toplevel widget");
       return;
     }
 
diff --git a/gtk/gtkwin32.c b/gtk/gtkwin32.c
index 4f1598ea0e..bf707ad743 100644
--- a/gtk/gtkwin32.c
+++ b/gtk/gtkwin32.c
@@ -120,7 +120,7 @@ _gtk_load_dll_with_libgtk3_manifest (const gchar *dll_name)
 
   if (activation_ctx_handle == INVALID_HANDLE_VALUE &&
       error_code != ERROR_SXS_PROCESS_DEFAULT_ALREADY_SET)
-    g_warning ("Failed to CreateActCtx for module %p, resource %p: %lu\n",
+    g_warning ("Failed to CreateActCtx for module %p, resource %p: %lu",
                gtk_dll, resource_name, GetLastError ());
   else if (error_code != ERROR_SXS_PROCESS_DEFAULT_ALREADY_SET)
     {
@@ -128,12 +128,12 @@ _gtk_load_dll_with_libgtk3_manifest (const gchar *dll_name)
       activated = ActivateActCtx (activation_ctx_handle, &activation_cookie);
 
       if (!activated)
-        g_warning ("Failed to ActivateActCtx: %lu\n", GetLastError ());
+        g_warning ("Failed to ActivateActCtx: %lu", GetLastError ());
 
       LoadLibraryA (dll_name);
 
       if (activated && !DeactivateActCtx (0, activation_cookie))
-        g_warning ("Failed to DeactivateActCtx: %lu\n", GetLastError ());
+        g_warning ("Failed to DeactivateActCtx: %lu", GetLastError ());
 
       ReleaseActCtx (activation_ctx_handle);
     }
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index a5b9a27e28..9347eb2fcf 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -1404,7 +1404,7 @@ gtk_window_titlebar_action (GtkWindow      *window,
     gtk_window_do_popup (window, (GdkEventButton*) event);
   else
     {
-      g_warning ("Unsupported titlebar action %s\n", action);
+      g_warning ("Unsupported titlebar action %s", action);
       retval = FALSE;
     }
 
@@ -2395,7 +2395,7 @@ gtk_window_set_wmclass (GtkWindow *window,
   priv->wmclass_class = g_strdup (wmclass_class);
 
   if (_gtk_widget_get_realized (GTK_WIDGET (window)))
-    g_warning ("gtk_window_set_wmclass: shouldn't set wmclass after window is realized!\n");
+    g_warning ("gtk_window_set_wmclass: shouldn't set wmclass after window is realized!");
 }
 
 /**
@@ -9462,7 +9462,7 @@ gtk_window_move_resize (GtkWindow *window)
 		 "size_changed: %d pos_changed: %d hints_changed: %d\n"
 		 "configure_notify_received: %d\n"
 		 "configure_request_count: %d\n"
-		 "position_constraints_changed: %d\n",
+		 "position_constraints_changed: %d",
 		 priv->title ? priv->title : "(no title)",
 		 info->last.configure_request.x,
 		 info->last.configure_request.y,
@@ -11268,7 +11268,7 @@ gtk_window_activate_menubar (GtkWindow   *window,
 
   if (keyval == 0)
     {
-      g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
+      g_warning ("Failed to parse menu bar accelerator '%s'", accel);
       g_free (accel);
       return FALSE;
     }