dovecot-2.1: imapc: Don't crash when trying to use imapc's subsc...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.1/rev/7ae9c4aa5edb
changeset: 13410:7ae9c4aa5edb
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Sep 06 17:29:38 2011 +0300
description:
imapc: Don't crash when trying to use imapc's subscription list for another namespace.

diffstat:

 src/lib-storage/index/imapc/imapc-list.c |  9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diffs (23 lines):

diff -r af6a6da91978 -r 7ae9c4aa5edb src/lib-storage/index/imapc/imapc-list.c
--- a/src/lib-storage/index/imapc/imapc-list.c	Tue Sep 06 17:03:55 2011 +0300
+++ b/src/lib-storage/index/imapc/imapc-list.c	Tue Sep 06 17:29:38 2011 +0300
@@ -417,11 +417,18 @@
 	struct imapc_mailbox_list *src_list =
 		(struct imapc_mailbox_list *)_src_list;
 	struct imapc_simple_context ctx;
+	char sep;
 
 	i_assert(src_list->tmp_subscriptions == NULL);
 
-	if (src_list->refreshed_subscriptions)
+	if (src_list->refreshed_subscriptions) {
+		if (dest_list->subscriptions == NULL) {
+			sep = mailbox_list_get_hierarchy_sep(dest_list);
+			dest_list->subscriptions =
+				mailbox_tree_init(sep);
+		}
 		return 0;
+	}
 
 	if (src_list->sep == '\0')
 		(void)mailbox_list_get_hierarchy_sep(_src_list);