fix settitle crash

1 files changed, 30 insertions, 1 deletions

diff --git a/swt.c b/swt.c
index e4aacfd..6174275 100644
--- a/swt.c
+++ b/swt.c
@@ -13,6 +13,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <locale.h>
+#include <ctype.h>
 
 char *argv0;
 #include "wayland.h"
@@ -100,6 +101,7 @@ static void data_device_data_offer(void *data, struct wl_data_device *data_devic
 static void data_source_send(void *data, struct wl_data_source *source, const char *mime_type, int fd);
 static void data_source_cancelled(void *data, struct wl_data_source *source);
 static void dummy() {}
+static int  is_valid_title(const char *title);
 
 
 /* global variables */
@@ -413,9 +415,36 @@ wseticontitle(char *title) {
 }
 
 
+int
+is_valid_title(const char *title)
+{
+	int i = 0;
+
+	if (!title)
+		return 0;
+
+	fprintf(stderr, "HERE\n");
+	for (; i < STR_BUF_SIZ; ++i) {
+		if (title[i] == 0) {
+			return 1;
+		}
+	}
+
+	fprintf(stderr, "FALSE\n");
+
+	return 0;
+}
+
+
 void
 wsettitle(char *title) {
-	xdg_toplevel_set_title(win.surface.toplevel, title);
+	if (is_valid_title(title)) {
+		fprintf(stderr, "TRUE\n");
+		xdg_toplevel_set_title(win.surface.toplevel, title);
+		fprintf(stderr, "SET TITLE\n");
+	} else {
+		xdg_toplevel_set_title(win.surface.toplevel, "swt");
+	}
 }