From: Carl Worth <cworth@cworth.org>
Date: Thu, 15 Oct 2009 00:24:28 +0000 (-0700)
Subject: Avoid segfault on message with no subject.
X-Git-Tag: 0.1~855
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=914df660c423c078df20390a4b647edbe8fb712a;p=notmuch.git

Avoid segfault on message with no subject.

It's fun how turning a program loose on 500,000 messages will find
lots of littel corner cases.
---

diff --git a/notmuch-index-message.cc b/notmuch-index-message.cc
index 60370b62..5c73825b 100644
--- a/notmuch-index-message.cc
+++ b/notmuch-index-message.cc
@@ -253,6 +253,9 @@ skip_re_in_subject (const char *subject)
 {
     const char *s = subject;
 
+    if (subject == NULL)
+	return NULL;
+
     while (*s) {
 	while (*s && isspace (*s))
 	    s++;