Data constness fixes. (#75754)

26 files changed, 181 insertions, 43 deletions

diff --git a/ChangeLog b/ChangeLog
index 6b955edb6..73e7867ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,26 @@
+2002-12-10  Matthias Clasen  <maclas@gmx.de>
+
+	* gtk/tree_plus.xpm: 
+	* gtk/tree_plus.xbm: 
+	* gtk/tree_minus.xpm: 
+	* gtk/tree_minus.xbm: 
+	* gtk/line-wrap.xbm: 
+	* gtk/line-arrow.xbm: 
+	* gtk/gtktextview.c: 
+	* gtk/gtktextutil.c: 
+	* gtk/gtkstyle.c: 
+	* gtk/gtkstock.c: 
+	* gtk/gtksizegroup.c: 
+	* gtk/gtkselection.c: 
+	* gtk/gtkoptionmenu.c: 
+	* gtk/gtklist.c: 
+	* gtk/gtkfilesel.c: 
+	* gtk/gtkentry.c: 
+	* gtk/gtkcolorsel.c: 
+	* gtk/gtkclist.c: 
+	* gtk/gtkclipboard.c: 
+	* gtk/gtkbutton.c: Data constness fixes.  (#75754)
+
 Tue Dec 10 14:37:41 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/x11/gdkevents-x11.c (gdk_event_translate)
diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10
index 6b955edb6..73e7867ee 100644
--- a/ChangeLog.pre-2-10
+++ b/ChangeLog.pre-2-10
@@ -1,3 +1,26 @@
+2002-12-10  Matthias Clasen  <maclas@gmx.de>
+
+	* gtk/tree_plus.xpm: 
+	* gtk/tree_plus.xbm: 
+	* gtk/tree_minus.xpm: 
+	* gtk/tree_minus.xbm: 
+	* gtk/line-wrap.xbm: 
+	* gtk/line-arrow.xbm: 
+	* gtk/gtktextview.c: 
+	* gtk/gtktextutil.c: 
+	* gtk/gtkstyle.c: 
+	* gtk/gtkstock.c: 
+	* gtk/gtksizegroup.c: 
+	* gtk/gtkselection.c: 
+	* gtk/gtkoptionmenu.c: 
+	* gtk/gtklist.c: 
+	* gtk/gtkfilesel.c: 
+	* gtk/gtkentry.c: 
+	* gtk/gtkcolorsel.c: 
+	* gtk/gtkclist.c: 
+	* gtk/gtkclipboard.c: 
+	* gtk/gtkbutton.c: Data constness fixes.  (#75754)
+
 Tue Dec 10 14:37:41 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/x11/gdkevents-x11.c (gdk_event_translate)
diff --git a/ChangeLog.pre-2-2 b/ChangeLog.pre-2-2
index 6b955edb6..73e7867ee 100644
--- a/ChangeLog.pre-2-2
+++ b/ChangeLog.pre-2-2
@@ -1,3 +1,26 @@
+2002-12-10  Matthias Clasen  <maclas@gmx.de>
+
+	* gtk/tree_plus.xpm: 
+	* gtk/tree_plus.xbm: 
+	* gtk/tree_minus.xpm: 
+	* gtk/tree_minus.xbm: 
+	* gtk/line-wrap.xbm: 
+	* gtk/line-arrow.xbm: 
+	* gtk/gtktextview.c: 
+	* gtk/gtktextutil.c: 
+	* gtk/gtkstyle.c: 
+	* gtk/gtkstock.c: 
+	* gtk/gtksizegroup.c: 
+	* gtk/gtkselection.c: 
+	* gtk/gtkoptionmenu.c: 
+	* gtk/gtklist.c: 
+	* gtk/gtkfilesel.c: 
+	* gtk/gtkentry.c: 
+	* gtk/gtkcolorsel.c: 
+	* gtk/gtkclist.c: 
+	* gtk/gtkclipboard.c: 
+	* gtk/gtkbutton.c: Data constness fixes.  (#75754)
+
 Tue Dec 10 14:37:41 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/x11/gdkevents-x11.c (gdk_event_translate)
diff --git a/ChangeLog.pre-2-4 b/ChangeLog.pre-2-4
index 6b955edb6..73e7867ee 100644
--- a/ChangeLog.pre-2-4
+++ b/ChangeLog.pre-2-4
@@ -1,3 +1,26 @@
+2002-12-10  Matthias Clasen  <maclas@gmx.de>
+
+	* gtk/tree_plus.xpm: 
+	* gtk/tree_plus.xbm: 
+	* gtk/tree_minus.xpm: 
+	* gtk/tree_minus.xbm: 
+	* gtk/line-wrap.xbm: 
+	* gtk/line-arrow.xbm: 
+	* gtk/gtktextview.c: 
+	* gtk/gtktextutil.c: 
+	* gtk/gtkstyle.c: 
+	* gtk/gtkstock.c: 
+	* gtk/gtksizegroup.c: 
+	* gtk/gtkselection.c: 
+	* gtk/gtkoptionmenu.c: 
+	* gtk/gtklist.c: 
+	* gtk/gtkfilesel.c: 
+	* gtk/gtkentry.c: 
+	* gtk/gtkcolorsel.c: 
+	* gtk/gtkclist.c: 
+	* gtk/gtkclipboard.c: 
+	* gtk/gtkbutton.c: Data constness fixes.  (#75754)
+
 Tue Dec 10 14:37:41 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/x11/gdkevents-x11.c (gdk_event_translate)
diff --git a/ChangeLog.pre-2-6 b/ChangeLog.pre-2-6
index 6b955edb6..73e7867ee 100644
--- a/ChangeLog.pre-2-6
+++ b/ChangeLog.pre-2-6
@@ -1,3 +1,26 @@
+2002-12-10  Matthias Clasen  <maclas@gmx.de>
+
+	* gtk/tree_plus.xpm: 
+	* gtk/tree_plus.xbm: 
+	* gtk/tree_minus.xpm: 
+	* gtk/tree_minus.xbm: 
+	* gtk/line-wrap.xbm: 
+	* gtk/line-arrow.xbm: 
+	* gtk/gtktextview.c: 
+	* gtk/gtktextutil.c: 
+	* gtk/gtkstyle.c: 
+	* gtk/gtkstock.c: 
+	* gtk/gtksizegroup.c: 
+	* gtk/gtkselection.c: 
+	* gtk/gtkoptionmenu.c: 
+	* gtk/gtklist.c: 
+	* gtk/gtkfilesel.c: 
+	* gtk/gtkentry.c: 
+	* gtk/gtkcolorsel.c: 
+	* gtk/gtkclist.c: 
+	* gtk/gtkclipboard.c: 
+	* gtk/gtkbutton.c: Data constness fixes.  (#75754)
+
 Tue Dec 10 14:37:41 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/x11/gdkevents-x11.c (gdk_event_translate)
diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8
index 6b955edb6..73e7867ee 100644
--- a/ChangeLog.pre-2-8
+++ b/ChangeLog.pre-2-8
@@ -1,3 +1,26 @@
+2002-12-10  Matthias Clasen  <maclas@gmx.de>
+
+	* gtk/tree_plus.xpm: 
+	* gtk/tree_plus.xbm: 
+	* gtk/tree_minus.xpm: 
+	* gtk/tree_minus.xbm: 
+	* gtk/line-wrap.xbm: 
+	* gtk/line-arrow.xbm: 
+	* gtk/gtktextview.c: 
+	* gtk/gtktextutil.c: 
+	* gtk/gtkstyle.c: 
+	* gtk/gtkstock.c: 
+	* gtk/gtksizegroup.c: 
+	* gtk/gtkselection.c: 
+	* gtk/gtkoptionmenu.c: 
+	* gtk/gtklist.c: 
+	* gtk/gtkfilesel.c: 
+	* gtk/gtkentry.c: 
+	* gtk/gtkcolorsel.c: 
+	* gtk/gtkclist.c: 
+	* gtk/gtkclipboard.c: 
+	* gtk/gtkbutton.c: Data constness fixes.  (#75754)
+
 Tue Dec 10 14:37:41 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/x11/gdkevents-x11.c (gdk_event_translate)
diff --git a/gtk/gtkbutton.c b/gtk/gtkbutton.c
index 92dbd2062..6049748bd 100644
--- a/gtk/gtkbutton.c
+++ b/gtk/gtkbutton.c
@@ -38,8 +38,8 @@
 
 #define CHILD_SPACING     1
 
-static GtkBorder default_default_border = { 1, 1, 1, 1 };
-static GtkBorder default_default_outside_border = { 0, 0, 0, 0 };
+static const GtkBorder default_default_border = { 1, 1, 1, 1 };
+static const GtkBorder default_default_outside_border = { 0, 0, 0, 0 };
 
 /* Time out before giving up on getting a key release when animatng
  * the close button.
diff --git a/gtk/gtkclipboard.c b/gtk/gtkclipboard.c
index 8415918d4..1b5d37c80 100644
--- a/gtk/gtkclipboard.c
+++ b/gtk/gtkclipboard.c
@@ -87,10 +87,10 @@ enum {
   TARGET_UTF8_STRING
 };
 
-static const gchar *request_contents_key = "gtk-request-contents";
+static const gchar request_contents_key[] = "gtk-request-contents";
 static GQuark request_contents_key_id = 0;
 
-static const gchar *clipboards_owned_key = "gtk-clipboards-owned";
+static const gchar clipboards_owned_key[] = "gtk-clipboards-owned";
 static GQuark clipboards_owned_key_id = 0;
 
 static GObjectClass *parent_class;
diff --git a/gtk/gtkclist.c b/gtk/gtkclist.c
index adb6ef6cd..86e895dff 100644
--- a/gtk/gtkclist.c
+++ b/gtk/gtkclist.c
@@ -463,7 +463,7 @@ static void drag_dest_cell            (GtkCList         *clist,
 static GtkContainerClass *parent_class = NULL;
 static guint clist_signals[LAST_SIGNAL] = {0};
 
-static GtkTargetEntry clist_target_table = { "gtk-clist-drag-reorder", 0, 0};
+static const GtkTargetEntry clist_target_table = { "gtk-clist-drag-reorder", 0, 0};
 
 GtkType
 gtk_clist_get_type (void)
diff --git a/gtk/gtkcolorsel.c b/gtk/gtkcolorsel.c
index 7d6a72369..a5cdd0f34 100644
--- a/gtk/gtkcolorsel.c
+++ b/gtk/gtkcolorsel.c
@@ -173,7 +173,7 @@ static void     default_change_palette_func             (GdkScreen	   *screen,
 static gpointer parent_class = NULL;
 static guint color_selection_signals[LAST_SIGNAL] = { 0 };
 
-static gchar* default_colors = "black:white:gray50:red:purple:blue:light blue:green:yellow:orange:lavender:brown:goldenrod4:dodger blue:pink:light green:gray10:gray30:gray75:gray90";
+static const gchar default_colors[] = "black:white:gray50:red:purple:blue:light blue:green:yellow:orange:lavender:brown:goldenrod4:dodger blue:pink:light green:gray10:gray30:gray75:gray90";
 
 static GtkColorSelectionChangePaletteFunc noscreen_change_palette_hook = default_noscreen_change_palette_func;
 static GtkColorSelectionChangePaletteWithScreenFunc change_palette_hook = default_change_palette_func;
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index a1a6be22f..2e9e7aa54 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -93,7 +93,7 @@ typedef enum {
   CURSOR_DND
 } CursorType;
 
-static GtkTargetEntry target_table[] = {
+static const GtkTargetEntry target_table[] = {
   { "UTF8_STRING",   0, 0 },
   { "COMPOUND_TEXT", 0, 0 },
   { "TEXT",          0, 0 },
diff --git a/gtk/gtkfilesel.c b/gtk/gtkfilesel.c
index 6ef064431..e74f7391c 100644
--- a/gtk/gtkfilesel.c
+++ b/gtk/gtkfilesel.c
@@ -1016,11 +1016,11 @@ static void
 file_selection_setup_dnd (GtkFileSelection *filesel)
 {
   GtkWidget *eventbox;
-  static GtkTargetEntry drop_types[] = {
+  static const GtkTargetEntry drop_types[] = {
     { "text/uri-list", 0, TARGET_URILIST}
   };
   static gint n_drop_types = sizeof(drop_types)/sizeof(drop_types[0]);
-  static GtkTargetEntry drag_types[] = {
+  static const GtkTargetEntry drag_types[] = {
     { "text/uri-list", 0, TARGET_URILIST},
     { "UTF8_STRING", 0, TARGET_UTF8_STRING },
     { "STRING", 0, 0 },
@@ -1199,7 +1199,7 @@ gtk_file_selection_set_filename (GtkFileSelection *filesel,
 G_CONST_RETURN gchar*
 gtk_file_selection_get_filename (GtkFileSelection *filesel)
 {
-  static gchar nothing[2] = "";
+  static const gchar nothing[2] = "";
   static gchar something[MAXPATHLEN*2];
   char *sys_filename;
   const char *text;
@@ -2519,7 +2519,7 @@ static gchar*
 cmpl_completion_fullname (const gchar     *text,
 			  CompletionState *cmpl_state)
 {
-  static char nothing[2] = "";
+  static const char nothing[2] = "";
 
   if (!cmpl_state_okay (cmpl_state))
     {
diff --git a/gtk/gtklist.c b/gtk/gtklist.c
index a91ba5231..a234e3f39 100644
--- a/gtk/gtklist.c
+++ b/gtk/gtklist.c
@@ -168,9 +168,9 @@ static void gtk_list_drag_begin (GtkWidget      *widget,
 static GtkContainerClass *parent_class = NULL;
 static guint list_signals[LAST_SIGNAL] = { 0 };
 
-static const gchar *vadjustment_key = "gtk-vadjustment";
+static const gchar vadjustment_key[] = "gtk-vadjustment";
 static guint        vadjustment_key_id = 0;
-static const gchar *hadjustment_key = "gtk-hadjustment";
+static const gchar hadjustment_key[] = "gtk-hadjustment";
 static guint        hadjustment_key_id = 0;
 
 GtkType
diff --git a/gtk/gtkoptionmenu.c b/gtk/gtkoptionmenu.c
index 257b16f4d..b7ee5bcbb 100644
--- a/gtk/gtkoptionmenu.c
+++ b/gtk/gtkoptionmenu.c
@@ -48,7 +48,7 @@ struct _GtkOptionMenuProps
   gint focus_pad;
 };
 
-static GtkOptionMenuProps default_props = {
+static const GtkOptionMenuProps default_props = {
   TRUE,
   { 7, 13 },
   { 7, 5, 2, 2 },		/* Left, right, top, bottom */
diff --git a/gtk/gtkselection.c b/gtk/gtkselection.c
index e0bf168a4..bd5ac12d5 100644
--- a/gtk/gtkselection.c
+++ b/gtk/gtkselection.c
@@ -156,7 +156,7 @@ static GList *current_incrs = NULL;
 static GList *current_selections = NULL;
 
 static GdkAtom gtk_selection_atoms[LAST_ATOM];
-static const char *gtk_selection_handler_key = "gtk-selection-handlers";
+static const char gtk_selection_handler_key[] = "gtk-selection-handlers";
 
 /****************
  * Target Lists *
diff --git a/gtk/gtksizegroup.c b/gtk/gtksizegroup.c
index cc693c2be..2e876054f 100644
--- a/gtk/gtksizegroup.c
+++ b/gtk/gtksizegroup.c
@@ -47,7 +47,7 @@ static void add_widget_to_closure (GtkWidget         *widget,
 				   GSList           **widgets);
 
 static GQuark size_groups_quark;
-static const gchar *size_groups_tag = "gtk-size-groups";
+static const gchar size_groups_tag[] = "gtk-size-groups";
 
 static GSList *
 get_size_groups (GtkWidget *widget)
diff --git a/gtk/gtkstock.c b/gtk/gtkstock.c
index 13c98db7e..5f2f528a4 100644
--- a/gtk/gtkstock.c
+++ b/gtk/gtkstock.c
@@ -260,7 +260,7 @@ gtk_stock_item_free (GtkStockItem *item)
   g_free (item);
 }
 
-static GtkStockItem builtin_items [] =
+static const GtkStockItem builtin_items [] =
 {
   /* KEEP IN SYNC with gtkiconfactory.c stock icons, when appropriate */ 
  
diff --git a/gtk/gtkstyle.c b/gtk/gtkstyle.c
index 89d8dcefa..fe0198af4 100644
--- a/gtk/gtkstyle.c
+++ b/gtk/gtkstyle.c
@@ -319,8 +319,8 @@ static GdkFont *gtk_style_get_font_internal (GtkStyle *style);
  * Data for default check and radio buttons
  */
 
-static GtkRequisition default_option_indicator_size = { 7, 13 };
-static GtkBorder default_option_indicator_spacing = { 7, 5, 2, 2 };
+static const GtkRequisition default_option_indicator_size = { 7, 13 };
+static const GtkBorder default_option_indicator_spacing = { 7, 5, 2, 2 };
 
 #define INDICATOR_PART_SIZE 13
 
@@ -446,19 +446,19 @@ static struct {
 };
 
 /* --- variables --- */
-static GdkColor gtk_default_normal_fg =      { 0,      0,      0,      0 };
-static GdkColor gtk_default_active_fg =      { 0,      0,      0,      0 };
-static GdkColor gtk_default_prelight_fg =    { 0,      0,      0,      0 };
-static GdkColor gtk_default_selected_fg =    { 0, 0xffff, 0xffff, 0xffff };
-static GdkColor gtk_default_insensitive_fg = { 0, 0x7530, 0x7530, 0x7530 };
-
-static GdkColor gtk_default_normal_bg =      { 0, 0xdcdc, 0xdada, 0xd5d5 };
-static GdkColor gtk_default_active_bg =      { 0, 0xbaba, 0xb5b5, 0xabab };
-static GdkColor gtk_default_prelight_bg =    { 0, 0xeeee, 0xebeb, 0xe7e7 };
-static GdkColor gtk_default_selected_bg =    { 0, 0x4b4b, 0x6969, 0x8383 };
-static GdkColor gtk_default_insensitive_bg = { 0, 0xdcdc, 0xdada, 0xd5d5 };
-static GdkColor gtk_default_selected_base =  { 0, 0x4b4b, 0x6969, 0x8383 };
-static GdkColor gtk_default_active_base =    { 0, 0x8080, 0x7d7d, 0x7474 };
+static const GdkColor gtk_default_normal_fg =      { 0,      0,      0,      0 };
+static const GdkColor gtk_default_active_fg =      { 0,      0,      0,      0 };
+static const GdkColor gtk_default_prelight_fg =    { 0,      0,      0,      0 };
+static const GdkColor gtk_default_selected_fg =    { 0, 0xffff, 0xffff, 0xffff };
+static const GdkColor gtk_default_insensitive_fg = { 0, 0x7530, 0x7530, 0x7530 };
+
+static const GdkColor gtk_default_normal_bg =      { 0, 0xdcdc, 0xdada, 0xd5d5 };
+static const GdkColor gtk_default_active_bg =      { 0, 0xbaba, 0xb5b5, 0xabab };
+static const GdkColor gtk_default_prelight_bg =    { 0, 0xeeee, 0xebeb, 0xe7e7 };
+static const GdkColor gtk_default_selected_bg =    { 0, 0x4b4b, 0x6969, 0x8383 };
+static const GdkColor gtk_default_insensitive_bg = { 0, 0xdcdc, 0xdada, 0xd5d5 };
+static const GdkColor gtk_default_selected_base =  { 0, 0x4b4b, 0x6969, 0x8383 };
+static const GdkColor gtk_default_active_base =    { 0, 0x8080, 0x7d7d, 0x7474 };
 
 static gpointer parent_class = NULL;
 
@@ -4917,7 +4917,7 @@ get_insensitive_layout (GdkDrawable *drawable,
         {
 #define gray50_width 2
 #define gray50_height 2
-          static char gray50_bits[] = {
+          static const char gray50_bits[] = {
             0x02, 0x01
           };
 
@@ -6202,7 +6202,7 @@ _gtk_get_insertion_cursor_gc (GtkWidget *widget,
     }
   else
     {
-      static GdkColor gray = { 0, 0x8888, 0x8888, 0x8888 };
+      static const GdkColor gray = { 0, 0x8888, 0x8888, 0x8888 };
       
       if (!cursor_info->secondary_gc)
 	cursor_info->secondary_gc = make_cursor_gc (widget,
diff --git a/gtk/gtktextutil.c b/gtk/gtktextutil.c
index 62d75505e..12bf88fa9 100644
--- a/gtk/gtktextutil.c
+++ b/gtk/gtktextutil.c
@@ -42,7 +42,7 @@ struct _GtkTextUtilCallbackInfo
   gpointer data;
 };
 
-static GtkUnicodeMenuEntry bidi_menu_entries[] = {
+static const GtkUnicodeMenuEntry bidi_menu_entries[] = {
   { N_("LRM _Left-to-right mark"), 0x200E },
   { N_("RLM _Right-to-left mark"), 0x200F },
   { N_("LRE Left-to-right _embedding"), 0x202A },
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index 74f20c2ec..6b7c6c8e5 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -81,7 +81,7 @@
  *
  */
 
-#if 0
+#if 1
 #define DEBUG_VALIDATION_AND_SCROLLING
 #endif
 
@@ -399,7 +399,7 @@ enum
   TARGET_TEXT_BUFFER_CONTENTS
 };
 
-static GtkTargetEntry target_table[] = {
+static const GtkTargetEntry target_table[] = {
   { "GTK_TEXT_BUFFER_CONTENTS", GTK_TARGET_SAME_APP,
     TARGET_TEXT_BUFFER_CONTENTS },
   { "UTF8_STRING", 0, TARGET_UTF8_STRING },
diff --git a/gtk/line-arrow.xbm b/gtk/line-arrow.xbm
index 493ecf325..bd110aa83 100644
--- a/gtk/line-arrow.xbm
+++ b/gtk/line-arrow.xbm
@@ -1,4 +1,4 @@
 #define line_arrow_width 6
 #define line_arrow_height 9
-static unsigned char line_arrow_bits[] = {
+static const unsigned char line_arrow_bits[] = {
    0x00, 0x00, 0x04, 0x0c, 0x18, 0x3f, 0x18, 0x0c, 0x04};
diff --git a/gtk/line-wrap.xbm b/gtk/line-wrap.xbm
index 82428037d..1e2220e3c 100644
--- a/gtk/line-wrap.xbm
+++ b/gtk/line-wrap.xbm
@@ -1,4 +1,4 @@
 #define line_wrap_width 6
 #define line_wrap_height 9
-static unsigned char line_wrap_bits[] = {
+static const unsigned char line_wrap_bits[] = {
   0x1e, 0x3e, 0x30, 0x30, 0x39, 0x1f, 0x0f, 0x0f, 0x1f, };
diff --git a/gtk/tree_minus.xbm b/gtk/tree_minus.xbm
index 0290a34b6..a41090a0b 100644
--- a/gtk/tree_minus.xbm
+++ b/gtk/tree_minus.xbm
@@ -1,5 +1,5 @@
 #define tree_minus_width 9
 #define tree_minus_height 9
-static char tree_minus_bits[] = {
+static const char tree_minus_bits[] = {
  0xff,0xff,0x01,0xff,0x01,0xff,0x01,0xff,0x7d,0xff,0x01,0xff,0x01,0xff,0x01,
  0xff,0xff,0xff};
diff --git a/gtk/tree_minus.xpm b/gtk/tree_minus.xpm
index cce067910..9e9aeaa62 100644
--- a/gtk/tree_minus.xpm
+++ b/gtk/tree_minus.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char *tree_minus[] = {
+static const char *tree_minus[] = {
 /* width height num_colors chars_per_pixel */
 "     9     9        2            1",
 /* colors */
diff --git a/gtk/tree_plus.xbm b/gtk/tree_plus.xbm
index e512116d8..f53032d2b 100644
--- a/gtk/tree_plus.xbm
+++ b/gtk/tree_plus.xbm
@@ -1,5 +1,5 @@
 #define tree_plus_width 9
 #define tree_plus_height 9
-static char tree_plus_bits[] = {
+static const char tree_plus_bits[] = {
  0xff,0xff,0x01,0xff,0x11,0xff,0x11,0xff,0x7d,0xff,0x11,0xff,0x11,0xff,0x01,
  0xff,0xff,0xff};
diff --git a/gtk/tree_plus.xpm b/gtk/tree_plus.xpm
index d0ba80ca2..93bf3bfb3 100644
--- a/gtk/tree_plus.xpm
+++ b/gtk/tree_plus.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char *tree_plus[] = {
+static const char *tree_plus[] = {
 /* width height num_colors chars_per_pixel */
 "     9     9        2            1",
 /* colors */