tabs and tab overview

user-notification.c

@@ -0,0 +1,14 @@
+#include "user-notification.h"
+#include <stdarg.h>
+#include "xmalloc.h"
+
+void
+user_notification_add_fmt(user_notifications_t *notifications,
+                      enum user_notification_kind kind, const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    char *text = xvasprintf(fmt, ap);
+    va_end(ap);
+    user_notification_add(notifications, kind, text);
+}