From 565d87c2aab7d3c389a958c068323683316e5e0f Mon Sep 17 00:00:00 2001
From: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
Date: Wed, 15 Jun 2011 15:12:12 +0400
Subject: [PATCH] Fix double free in guess_from_received_header().

Before the change, the last loop in guess_from_received_header()
did not reset domain and tld variables to NULL.  This leads to
double free error in some cases and possibly other bugs.
---
 notmuch-reply.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/notmuch-reply.c b/notmuch-reply.c
index 514bbc64..dab69e66 100644
--- a/notmuch-reply.c
+++ b/notmuch-reply.c
@@ -406,6 +406,7 @@ guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message
 	/* Now extract the last two components of the MTA host name
 	 * as domain and tld.
 	 */
+	domain = tld = NULL;
 	while ((ptr = strsep (&token, delim)) != NULL) {
 	    if (*ptr == '\0')
 		continue;