From 9614c81633ebe1711c06488af68cc1079f37b253 Mon Sep 17 00:00:00 2001
From: "Hoa V. DINH" <dinh.viet.hoa@gmail.com>
Date: Mon, 2 May 2016 21:21:50 -0700
Subject: Return NULL instead of crashing when mainPart is missing

---
 src/core/renderer/MCHTMLRenderer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/renderer/MCHTMLRenderer.cpp b/src/core/renderer/MCHTMLRenderer.cpp
index 4c149df9..f5b0c989 100644
--- a/src/core/renderer/MCHTMLRenderer.cpp
+++ b/src/core/renderer/MCHTMLRenderer.cpp
@@ -203,6 +203,11 @@ static String * htmlForAbstractMessage(String * folder, AbstractMessage * messag
     else if (message->className()->isEqual(MCSTR("mailcore::MessageParser"))) {
         mainPart = ((MessageParser *) message)->mainPart();
     }
+    if (mainPart == NULL) {
+        // needs a mainPart.
+        return NULL;
+    }
+
     MCAssert(mainPart != NULL);
     
     htmlRendererContext context;
-- 
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