Use explicit casts.

svn path=/trunk/; revision=48239

3 files changed, 57 insertions, 56 deletions

diff --git a/ui/gtk/gui_utils.c b/ui/gtk/gui_utils.c
index 43270711a9..eb1c2b2ee6 100644
--- a/ui/gtk/gui_utils.c
+++ b/ui/gtk/gui_utils.c
@@ -1244,7 +1244,7 @@ switch_to_fixed_col(GtkTreeView *view)
     columns = gtk_tree_view_get_columns(GTK_TREE_VIEW(view));
     list = columns;
     while(columns) {
-        column = columns->data;
+        column = (GtkTreeViewColumn *)columns->data;
         size = gtk_tree_view_column_get_width(column);
         gtk_tree_view_column_set_sizing(column,GTK_TREE_VIEW_COLUMN_FIXED);
         if (size > gtk_tree_view_column_get_fixed_width(column))
diff --git a/ui/gtk/hostlist_table.c b/ui/gtk/hostlist_table.c
index f5582b8312..5fb4300050 100644
--- a/ui/gtk/hostlist_table.c
+++ b/ui/gtk/hostlist_table.c
@@ -248,7 +248,7 @@ reset_hostlist_table_data(hostlist_table *hosts)
 static void
 reset_hostlist_table_data_cb(void *arg)
 {
-    reset_hostlist_table_data(arg);
+    reset_hostlist_table_data((hostlist_table *)arg);
 }
 
 static void
@@ -300,7 +300,7 @@ hostlist_sort_column(GtkTreeModel *model,
 {
     guint32 idx1, idx2;
     gint data_column = GPOINTER_TO_INT(user_data);
-    hostlist_table *hl = g_object_get_data(G_OBJECT(model), HOST_PTR_KEY);
+    hostlist_table *hl = (hostlist_table *)g_object_get_data(G_OBJECT(model), HOST_PTR_KEY);
     hostlist_talker_t *host1 = NULL;
     hostlist_talker_t *host2 = NULL;
 
@@ -557,7 +557,7 @@ static const char *ui_desc_hostlist_table_popup =
  * GCallback callback;          The function to call when the action is activated.
  *
  */
-static const GtkActionEntry service_resp_t__popup_entries[] = {
+static const GtkActionEntry service_resp_t_popup_entries[] = {
   { "/Apply as Filter",                         NULL, "Apply as Filter",                NULL, NULL,                             NULL },
   { "/Prepare a Filter",                        NULL, "Prepare a Filter",               NULL, NULL,                             NULL },
   { "/Find Frame",                              NULL, "Find Frame",                     NULL, NULL,                             NULL },
@@ -595,8 +595,8 @@ hostlist_create_popup_menu(hostlist_table *hl)
 
     action_group = gtk_action_group_new ("HostlistTablePopupActionGroup");
     gtk_action_group_add_actions (action_group,                             /* the action group */
-                                (gpointer)service_resp_t__popup_entries,    /* an array of action descriptions */
-                                G_N_ELEMENTS(service_resp_t__popup_entries),/* the number of entries */
+                                service_resp_t_popup_entries,              /* an array of action descriptions */
+                                G_N_ELEMENTS(service_resp_t_popup_entries),/* the number of entries */
                                 hl);                                        /* data to pass to the action callbacks */
 
     ui_manager = gtk_ui_manager_new ();
@@ -725,7 +725,7 @@ draw_hostlist_table_data(hostlist_table *hl)
                     const gchar *title_p;
                     gint  id;
 
-                    column = columns->data;
+                    column = (GtkTreeViewColumn *)columns->data;
                     title_p = gtk_tree_view_column_get_title(column);
                     id = gtk_tree_view_column_get_sort_column_id(column);
                     if (title_p[0] != 0 && id >= GEOIP1_COLUMN) {
@@ -744,7 +744,7 @@ draw_hostlist_table_data(hostlist_table *hl)
                     geoip[j] = g_strdup(name);
                 } else if (host->address.type == AT_IPv6 && j < geoip_db_num_dbs()) {
                     const guchar *name;
-                    const struct e_in6_addr *addr = (struct e_in6_addr *) host->address.data;
+                    const struct e_in6_addr *addr = (const struct e_in6_addr *) host->address.data;
 
                     name = geoip_db_lookup_ipv6(j, *addr, "-");
                     geoip[j] = g_strdup(name);
@@ -817,7 +817,7 @@ draw_hostlist_table_data(hostlist_table *hl)
 static void
 draw_hostlist_table_data_cb(void *arg)
 {
-    draw_hostlist_table_data(arg);
+    draw_hostlist_table_data((hostlist_table *)arg);
 }
 
 typedef struct {
@@ -886,7 +886,7 @@ copy_as_csv_cb(GtkWindow *copy_bt, gpointer data _U_)
     GtkListStore      *store;
     csv_t              csv;
 
-    csv.talkers=g_object_get_data(G_OBJECT(copy_bt), HOST_PTR_KEY);
+    csv.talkers=(hostlist_table *)g_object_get_data(G_OBJECT(copy_bt), HOST_PTR_KEY);
     if (!csv.talkers)
         return;
 
@@ -898,7 +898,7 @@ copy_as_csv_cb(GtkWindow *copy_bt, gpointer data _U_)
     list = columns;
     csv.nb_cols = 0;
     while(columns) {
-        column = columns->data;
+        column = (GtkTreeViewColumn *)columns->data;
         if (gtk_tree_view_column_get_visible(column)) {
             csv.columns_order[csv.nb_cols] = gtk_tree_view_column_get_sort_column_id(column);
             if (csv.nb_cols)
@@ -1057,7 +1057,7 @@ open_as_map_cb(GtkWindow *copy_bt, gpointer data _U_)
     map_t              map;
     FILE              *tpl_file;
 
-    map.talkers =g_object_get_data(G_OBJECT(copy_bt), HOST_PTR_KEY);
+    map.talkers = (hostlist_table *)g_object_get_data(G_OBJECT(copy_bt), HOST_PTR_KEY);
     if (!map.talkers)
         return;
 
@@ -1068,7 +1068,7 @@ open_as_map_cb(GtkWindow *copy_bt, gpointer data _U_)
     list = columns;
     map.nb_cols = 0;
     while(columns) {
-        column = columns->data;
+        column = (GtkTreeViewColumn *)columns->data;
         i = gtk_tree_view_column_get_sort_column_id(column);
         if(strcmp(map.talkers->default_titles[i], "Latitude") == 0) {
             map.col_lat = i;
@@ -1141,7 +1141,7 @@ open_as_map_cb(GtkWindow *copy_bt, gpointer data _U_)
     }
 
     store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(map.talkers->table)));
-    tpl_line = g_malloc(MAX_TPL_LINE_LEN);
+    tpl_line = (char *)g_malloc(MAX_TPL_LINE_LEN);
 
     while (fgets(tpl_line, MAX_TPL_LINE_LEN, tpl_file) != NULL) {
         fputs(tpl_line, map.out_file);
@@ -1396,7 +1396,7 @@ init_hostlist_table(gboolean hide_ports, const char *table_name, const char *tap
     GtkWidget *map_bt;
 #endif
 
-    hosttable=g_malloc(sizeof(hostlist_table));
+    hosttable=g_new(hostlist_table,1);
 
     hosttable->name=table_name;
     hosttable->filter=filter;
@@ -1434,16 +1434,16 @@ init_hostlist_table(gboolean hide_ports, const char *table_name, const char *tap
 
     gtk_box_pack_end(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
 
-    close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
+    close_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
     window_set_cancel_button(hosttable->win, close_bt, window_cancel_button_cb);
 
-    copy_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_COPY);
+    copy_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_COPY);
     gtk_widget_set_tooltip_text(copy_bt, "Copy all statistical values of this page to the clipboard in CSV (Comma Separated Values) format.");
     g_object_set_data(G_OBJECT(copy_bt), HOST_PTR_KEY, hosttable);
     g_signal_connect(copy_bt, "clicked", G_CALLBACK(copy_as_csv_cb), NULL);
 
 #ifdef HAVE_GEOIP
-    map_bt = g_object_get_data(G_OBJECT(bbox), WIRESHARK_STOCK_MAP);
+    map_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), WIRESHARK_STOCK_MAP);
     if(map_bt != NULL) {
         gtk_widget_set_tooltip_text(map_bt, "Show a map of the IP addresses (internet connection required).");
         g_object_set_data(G_OBJECT(map_bt), HOST_PTR_KEY, hosttable);
@@ -1451,7 +1451,7 @@ init_hostlist_table(gboolean hide_ports, const char *table_name, const char *tap
     }
 #endif /* HAVE_GEOIP */
 
-    help_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
+    help_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
     g_signal_connect(help_bt, "clicked", G_CALLBACK(topic_cb), (gpointer)HELP_STATS_ENDPOINTS_DIALOG);
 
     g_signal_connect(hosttable->win, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
@@ -1469,7 +1469,7 @@ static void
 ct_nb_switch_page_cb(GtkNotebook *nb, gpointer *pg _U_, guint page, gpointer data)
 {
     GtkWidget *copy_bt = (GtkWidget *) data;
-    void ** pages = g_object_get_data(G_OBJECT(nb), NB_PAGES_KEY);
+    void ** pages = (void **)g_object_get_data(G_OBJECT(nb), NB_PAGES_KEY);
 
     page++;
 
@@ -1483,7 +1483,7 @@ static void
 ct_nb_map_switch_page_cb(GtkNotebook *nb, gpointer *pg _U_, guint page, gpointer data)
 {
     GtkWidget *map_bt = (GtkWidget *) data;
-    void ** pages = g_object_get_data(G_OBJECT(nb), NB_PAGES_KEY);
+    void ** pages = (void **)g_object_get_data(G_OBJECT(nb), NB_PAGES_KEY);
 
     page++;
 
@@ -1503,7 +1503,7 @@ ct_nb_map_switch_page_cb(GtkNotebook *nb, gpointer *pg _U_, guint page, gpointer
 static void
 hostlist_win_destroy_notebook_cb(GtkWindow *win _U_, gpointer data)
 {
-    void ** pages = data;
+    void ** pages = (void **)data;
     int page;
 
     /* first "page" contains the number of pages */
@@ -1524,7 +1524,7 @@ init_hostlist_notebook_page_cb(gboolean hide_ports, const char *table_name, cons
     GtkWidget *page_vbox;
     hostlist_table *hosttable;
 
-    hosttable=g_malloc(sizeof(hostlist_table));
+    hosttable=g_new(hostlist_table,1);
     hosttable->name=table_name;
     hosttable->filter=filter;
     hosttable->use_dfilter=FALSE;
@@ -1559,7 +1559,7 @@ register_hostlist_table(gboolean hide_ports, const char *table_name, const char
 {
     register_hostlist_t *table;
 
-    table = g_malloc(sizeof(register_hostlist_t));
+    table = g_new(register_hostlist_t,1);
 
     table->hide_ports   = hide_ports;
     table->table_name   = table_name;
@@ -1575,7 +1575,7 @@ static void
 hostlist_resolve_toggle_dest(GtkWidget *widget, gpointer data)
 {
     int page;
-    void ** pages = data;
+    void ** pages = (void **)data;
     gboolean resolve_names;
     hostlist_table *hosttable;
 
@@ -1583,7 +1583,7 @@ hostlist_resolve_toggle_dest(GtkWidget *widget, gpointer data)
     resolve_names = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget));
 
     for (page=1; page<=GPOINTER_TO_INT(pages[0]); page++) {
-        hosttable = pages[page];
+        hosttable = (hostlist_table *)pages[page];
         hosttable->resolve_names = resolve_names;
         draw_hostlist_table_addresses(hosttable);
     }
@@ -1594,14 +1594,14 @@ static void
 hostlist_filter_toggle_dest(GtkWidget *widget, gpointer data)
 {
     int page;
-    void ** pages = data;
+    void ** pages = (void **)data;
     gboolean use_filter;
     hostlist_table *hosttable = NULL;
 
     use_filter = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget));
 
     for (page=1; page<=GPOINTER_TO_INT(pages[0]); page++) {
-        hosttable = pages[page];
+        hosttable = (hostlist_table *)pages[page];
         hosttable->use_dfilter = use_filter;
         reset_hostlist_table_data(hosttable);
     }
@@ -1638,7 +1638,7 @@ init_hostlist_notebook_cb(GtkWidget *w _U_, gpointer d _U_)
 #endif
 
 
-    pages = g_malloc(sizeof(void *) * (g_slist_length(registered_hostlist_tables) + 1));
+    pages = (void **)g_malloc(sizeof(void *) * (g_slist_length(registered_hostlist_tables) + 1));
 
     win = dlg_window_new("hostlist");  /* transient_for top_level */
     gtk_window_set_destroy_with_parent (GTK_WINDOW(win), TRUE);
@@ -1661,7 +1661,7 @@ init_hostlist_notebook_cb(GtkWidget *w _U_, gpointer d _U_)
 
     current_table = registered_hostlist_tables;
     while(current_table) {
-        registered = current_table->data;
+        registered = (register_hostlist_t *)current_table->data;
         page_lb = gtk_label_new("");
         hosttable = init_hostlist_notebook_page_cb(registered->hide_ports, registered->table_name, registered->tap_name,
             registered->filter, registered->packet_func);
@@ -1702,16 +1702,16 @@ init_hostlist_notebook_cb(GtkWidget *w _U_, gpointer d _U_)
 #endif
     gtk_box_pack_end(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
 
-    close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
+    close_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
     window_set_cancel_button(win, close_bt, window_cancel_button_cb);
 
-    copy_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_COPY);
+    copy_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_COPY);
     gtk_widget_set_tooltip_text(copy_bt, "Copy all statistical values of this page to the clipboard in CSV (Comma Separated Values) format.");
     g_signal_connect(copy_bt, "clicked", G_CALLBACK(copy_as_csv_cb), NULL);
     g_object_set_data(G_OBJECT(copy_bt), HOST_PTR_KEY, pages[page]);
 
 #ifdef HAVE_GEOIP
-    map_bt = g_object_get_data(G_OBJECT(bbox), WIRESHARK_STOCK_MAP);
+    map_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), WIRESHARK_STOCK_MAP);
     gtk_widget_set_tooltip_text(map_bt, "Show a map of the IP addresses (internet connection required).");
     g_object_set_data(G_OBJECT(map_bt), HOST_PTR_KEY, pages[page]);
     g_signal_connect(map_bt, "clicked", G_CALLBACK(open_as_map_cb), NULL);
@@ -1721,7 +1721,7 @@ init_hostlist_notebook_cb(GtkWidget *w _U_, gpointer d _U_)
 
     g_signal_connect(nb, "switch-page", G_CALLBACK(ct_nb_switch_page_cb), copy_bt);
 
-    help_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
+    help_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
     g_signal_connect(help_bt, "clicked", G_CALLBACK(topic_cb), (gpointer)HELP_STATS_ENDPOINTS_DIALOG);
 
     g_signal_connect(win, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
@@ -1825,7 +1825,7 @@ add_hostlist_table_data(hostlist_table *hl, const address *addr, guint32 port, g
         talker=&g_array_index(hl->hosts, hostlist_talker_t, talker_idx);
 
         /* hl->hosts address is not a constant but address.data is */
-        new_key = g_malloc(sizeof (host_key_t));
+        new_key = g_new(host_key_t,1);
         SET_ADDRESS(&new_key->address, talker->address.type, talker->address.len, talker->address.data);
         new_key->port = port;
         g_hash_table_insert(hl->hashtable, new_key, GUINT_TO_POINTER(talker_idx +1));
diff --git a/ui/gtk/main.c b/ui/gtk/main.c
index 78e50e782f..488706dfb1 100644
--- a/ui/gtk/main.c
+++ b/ui/gtk/main.c
@@ -334,7 +334,7 @@ match_selected_ptree_cb(gpointer data, MATCH_SELECTED_E action)
     if (cfile.finfo_selected) {
         filter = proto_construct_match_selected_string(cfile.finfo_selected,
                                                        cfile.edt);
-        match_selected_cb_do(g_object_get_data(G_OBJECT(data), E_DFILTER_TE_KEY), action, filter);
+        match_selected_cb_do((GtkWidget *)g_object_get_data(G_OBJECT(data), E_DFILTER_TE_KEY), action, filter);
     }
 }
 
@@ -370,7 +370,7 @@ colorize_selected_ptree_cb(GtkWidget *w _U_, gpointer data _U_, guint8 filt_nr)
 static void selected_ptree_info_answered_cb(gpointer dialog _U_, gint btn, gpointer data)
 {
     gchar *selected_proto_url;
-    gchar *proto_abbrev = data;
+    gchar *proto_abbrev = (gchar *)data;
 
 
     switch(btn) {
@@ -450,7 +450,7 @@ selected_ptree_info_cb(GtkWidget *widget _U_, gpointer data _U_)
 static void selected_ptree_ref_answered_cb(gpointer dialog _U_, gint btn, gpointer data)
 {
     gchar *selected_proto_url;
-    gchar *proto_abbrev = data;
+    gchar *proto_abbrev = (gchar *)data;
 
     switch(btn) {
     case(ESD_BTN_OK):
@@ -632,7 +632,7 @@ match_selected_plist_cb(gpointer data, MATCH_SELECTED_E action)
 {
     match_selected_cb_do(g_object_get_data(G_OBJECT(data), E_DFILTER_TE_KEY),
         action,
-        get_filter_from_packet_list_row_and_column(data));
+        get_filter_from_packet_list_row_and_column((GtkWidget *)data));
 }
 
 /* This function allows users to right click in the details window and copy the text
@@ -743,7 +743,7 @@ reftime_frame_cb(GtkWidget *w _U_, gpointer data _U_, REFTIME_ACTION_E action)
     case REFTIME_TOGGLE:
         if (cfile.current_frame) {
             if(recent.gui_time_format != TS_RELATIVE && cfile.current_frame->flags.ref_time==0) {
-                reftime_dialog = simple_dialog(ESD_TYPE_CONFIRMATION, ESD_BTNS_YES_NO,
+                reftime_dialog = (GtkWidget *)simple_dialog(ESD_TYPE_CONFIRMATION, ESD_BTNS_YES_NO,
                     "%sSwitch to the appropriate Time Display Format?%s\n\n"
                     "Time References don't work well with the currently selected Time Display Format.\n\n"
                     "Do you want to switch to \"Seconds Since Beginning of Capture\" now?",
@@ -1567,7 +1567,7 @@ main_capture_set_main_window_title(capture_options *capture_opts)
     GString *title = g_string_new("");
 
     g_string_append(title, "Capturing ");
-    g_string_append_printf(title, "from %s ", cf_get_tempfile_source(capture_opts->cf));
+    g_string_append_printf(title, "from %s ", cf_get_tempfile_source((capture_file *)capture_opts->cf));
     main_set_window_name(title->str);
     g_string_free(title, TRUE);
 }
@@ -1614,7 +1614,7 @@ main_capture_cb_capture_update_started(capture_options *capture_opts)
 static void
 main_capture_cb_capture_update_finished(capture_options *capture_opts)
 {
-    capture_file *cf = capture_opts->cf;
+    capture_file *cf = (capture_file *)capture_opts->cf;
     static GList *icon_list = NULL;
 
     /* The capture isn't stopping any more - it's stopped. */
@@ -1742,7 +1742,7 @@ main_capture_cb_capture_failed(capture_options *capture_opts _U_)
 static void
 main_cf_cb_packet_selected(gpointer data)
 {
-    capture_file *cf = data;
+    capture_file *cf = (capture_file *)data;
 
     /* Display the GUI protocol tree and packet bytes.
       XXX - why do we dump core if we call "proto_tree_draw()"
@@ -1790,55 +1790,56 @@ main_cf_cb_field_unselected(capture_file *cf)
 static void
 main_cf_callback(gint event, gpointer data, gpointer user_data _U_)
 {
+    capture_file *cf = (capture_file *)data;
     switch(event) {
     case(cf_cb_file_opened):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Opened");
-        fileset_file_opened(data);
+        fileset_file_opened(cf);
         break;
     case(cf_cb_file_closing):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Closing");
-        main_cf_cb_file_closing(data);
+        main_cf_cb_file_closing(cf);
         break;
     case(cf_cb_file_closed):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Closed");
-        main_cf_cb_file_closed(data);
+        main_cf_cb_file_closed(cf);
         fileset_file_closed();
         break;
     case(cf_cb_file_read_started):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Read started");
-        main_cf_cb_file_read_started(data);
+        main_cf_cb_file_read_started(cf);
         break;
     case(cf_cb_file_read_finished):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Read finished");
-        main_cf_cb_file_read_finished(data);
+        main_cf_cb_file_read_finished(cf);
         break;
     case(cf_cb_file_reload_started):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Reload started");
-        main_cf_cb_file_read_started(data);
+        main_cf_cb_file_read_started(cf);
         break;
     case(cf_cb_file_reload_finished):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Reload finished");
-        main_cf_cb_file_read_finished(data);
+        main_cf_cb_file_read_finished(cf);
         break;
     case(cf_cb_file_rescan_started):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Rescan started");
         break;
     case(cf_cb_file_rescan_finished):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Rescan finished");
-        main_cf_cb_file_rescan_finished(data);
+        main_cf_cb_file_rescan_finished(cf);
         break;
     case(cf_cb_file_fast_save_finished):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Fast save finished");
-        main_cf_cb_file_rescan_finished(data);
+        main_cf_cb_file_rescan_finished(cf);
         break;
     case(cf_cb_packet_selected):
-        main_cf_cb_packet_selected(data);
+        main_cf_cb_packet_selected(cf);
         break;
     case(cf_cb_packet_unselected):
-        main_cf_cb_packet_unselected(data);
+        main_cf_cb_packet_unselected(cf);
         break;
     case(cf_cb_field_unselected):
-        main_cf_cb_field_unselected(data);
+        main_cf_cb_field_unselected(cf);
         break;
     case(cf_cb_file_save_started):
         g_log(LOG_DOMAIN_MAIN, G_LOG_LEVEL_DEBUG, "Callback: Save started");
@@ -3546,7 +3547,7 @@ void main_widgets_rearrange(void) {
 static void
 is_widget_visible(GtkWidget *widget, gpointer data)
 {
-    gboolean *is_visible = data;
+    gboolean *is_visible = ( gboolean *)data;
 
     if (!*is_visible) {
         if (gtk_widget_get_visible(widget))