dovecot-2.2: replicator: Fixed crash caused by "doveadm replicat...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/be480cfcd7bf
changeset: 17220:be480cfcd7bf
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Apr 15 23:23:37 2014 +0200
description:
replicator: Fixed crash caused by "doveadm replicator dsync-status" in some situations.

diffstat:

 src/replication/replicator/doveadm-connection.c |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (18 lines):

diff -r f0b8cf119b7f -r be480cfcd7bf src/replication/replicator/doveadm-connection.c
--- a/src/replication/replicator/doveadm-connection.c	Tue Apr 15 23:02:11 2014 +0200
+++ b/src/replication/replicator/doveadm-connection.c	Tue Apr 15 23:23:37 2014 +0200
@@ -114,10 +114,13 @@
 	string_t *str = t_str_new(256);
 	const ARRAY_TYPE(dsync_client) *clients;
 	struct dsync_client *const *clientp;
+	const char *username;
 
 	clients = replicator_brain_get_dsync_clients(client->brain);
 	array_foreach(clients, clientp) {
-		str_append_tabescaped(str, dsync_client_get_username(*clientp));
+		username = dsync_client_get_username(*clientp);
+		if (username != NULL)
+			str_append_tabescaped(str, username);
 		str_append_c(str, '\t');
 		switch (dsync_client_get_type(*clientp)) {
 		case DSYNC_TYPE_FULL: