From 039903c6b2b6533aff36230ffb80fba8ef280c2a Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Wed, 1 Oct 2014 15:51:32 +0800
Subject: [PATCH] mac: Don't create button without title, fixes #631

---
 atom/browser/ui/message_box_mac.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/atom/browser/ui/message_box_mac.mm b/atom/browser/ui/message_box_mac.mm
index bc2c5c692c..147a09d0d2 100644
--- a/atom/browser/ui/message_box_mac.mm
+++ b/atom/browser/ui/message_box_mac.mm
@@ -75,6 +75,9 @@ NSAlert* CreateNSAlert(NativeWindow* parent_window,
 
   for (size_t i = 0; i < buttons.size(); ++i) {
     NSString* title = base::SysUTF8ToNSString(buttons[i]);
+    // An empty title causes crash on OS X.
+    if (buttons[i].empty())
+      title = @"(empty)";
     NSButton* button = [alert addButtonWithTitle:title];
     [button setTag:i];
   }