1 files changed, 12 insertions, 6 deletions

diff --git a/src/interface-gtk/interface.c b/src/interface-gtk/interface.c
index d7fc4c4..2b292a3 100644
--- a/src/interface-gtk/interface.c
+++ b/src/interface-gtk/interface.c
@@ -78,7 +78,7 @@ static gboolean teco_interface_window_delete_cb(GtkWidget *widget, GdkEventAny *
 static gboolean teco_interface_sigterm_handler(gpointer user_data) G_GNUC_UNUSED;
 static gchar teco_interface_get_ansi_key(GdkEventKey *event);
 
-#define UNNAMED_FILE		"(Unnamed)"
+#define TECO_UNNAMED_FILE	"(Unnamed)"
 
 #define USER_CSS_FILE		".teco_css"
 
@@ -102,6 +102,7 @@ static struct {
 		TECO_INFO_TYPE_BUFFER_DIRTY,
 		TECO_INFO_TYPE_QREG
 	} info_type;
+	/* current document's name or empty string for "(Unnamed)" buffer */
 	teco_string_t info_current;
 
 	gboolean no_csd;
@@ -501,8 +502,13 @@ teco_interface_refresh_info(void)
 	gtk_style_context_remove_class(style, "dirty");
 
 	g_auto(teco_string_t) info_current_temp;
-	teco_string_init(&info_current_temp,
-	                 teco_interface.info_current.data, teco_interface.info_current.len);
+
+	if (!teco_interface.info_current.len)
+		teco_string_init(&info_current_temp, TECO_UNNAMED_FILE, strlen(TECO_UNNAMED_FILE));
+	else
+		teco_string_init(&info_current_temp,
+		                 teco_interface.info_current.data, teco_interface.info_current.len);
+
 	if (teco_interface.info_type == TECO_INFO_TYPE_BUFFER_DIRTY)
 		teco_string_append_c(&info_current_temp, '*');
 	teco_gtk_label_set_text(TECO_GTK_LABEL(teco_interface.info_name_widget),
@@ -570,10 +576,9 @@ teco_interface_info_update_qreg(const teco_qreg_t *reg)
 void
 teco_interface_info_update_buffer(const teco_buffer_t *buffer)
 {
-	const gchar *filename = buffer->filename ? : UNNAMED_FILE;
-
 	teco_string_clear(&teco_interface.info_current);
-	teco_string_init(&teco_interface.info_current, filename, strlen(filename));
+	teco_string_init(&teco_interface.info_current, buffer->filename,
+	                 buffer->filename ? strlen(buffer->filename) : 0);
 	teco_interface.info_type = buffer->state > TECO_BUFFER_CLEAN
 					 ? TECO_INFO_TYPE_BUFFER_DIRTY : TECO_INFO_TYPE_BUFFER;
 }
@@ -1472,6 +1477,7 @@ static void
 teco_interface_popup_clicked_cb(GtkWidget *popup, gchar *str, gulong len, gpointer user_data)
 {
 	g_assert(len >= teco_interface.popup_prefix_len);
+	/* str is an empty string for the "(Unnamed)" buffer */
 	const teco_string_t insert = {str+teco_interface.popup_prefix_len, len-teco_interface.popup_prefix_len};
 	teco_machine_t *machine = &teco_cmdline.machine.parent;