From 2ddfea8f86d1ce18e4b0db958a44abdbb06b4db2 Mon Sep 17 00:00:00 2001
From: "ducarroz%netscape.com" <ducarroz%netscape.com>
Date: Fri, 17 May 2002 19:47:50 +0000
Subject: [PATCH] Fix for bug 142672. We should not display an alternative part
 without a content-type. R=varada, SR=bienvenu

---
 mailnews/mime/src/mimemalt.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mailnews/mime/src/mimemalt.cpp b/mailnews/mime/src/mimemalt.cpp
index bc777f78bb0e..11032d2ffd9f 100644
--- a/mailnews/mime/src/mimemalt.cpp
+++ b/mailnews/mime/src/mimemalt.cpp
@@ -222,6 +222,8 @@ MimeMultipartAlternative_display_part_p(MimeObject *self,
                     MimeHeaders *sub_hdrs)
 {
   char *ct = MimeHeaders_get (sub_hdrs, HEADER_CONTENT_TYPE, PR_TRUE, PR_FALSE);
+  if (!ct)
+    return PR_FALSE;
 
   /* RFC 1521 says:
      Receiving user agents should pick and display the last format