# HG changeset patch
# User Timo Sirainen <timo.sirainen@dovecot.fi>
# Date 1495131033 -10800
# Node ID 412e15c438bcdea7987a046814e6f23720e77055
# Parent  7ecd91f06169200379833e72f42861a000854ff0
imapc: Make sure a valid UIDVALIDITY is returned by SELECT

Fixes errors such as:
Error: Synchronization corrupted index header (in-memory index): uidvalidity=0, but next_uid=9

diff -r 7ecd91f06169 -r 412e15c438bc src/lib-storage/index/imapc/imapc-mailbox.c
--- a/src/lib-storage/index/imapc/imapc-mailbox.c	Thu May 18 21:08:23 2017 +0300
+++ b/src/lib-storage/index/imapc/imapc-mailbox.c	Thu May 18 21:10:33 2017 +0300
@@ -584,7 +584,8 @@
 	uint32_t uid_validity;
 
 	if (mbox == NULL ||
-	    str_to_uint32(reply->resp_text_value, &uid_validity) < 0)
+	    str_to_uint32(reply->resp_text_value, &uid_validity) < 0 ||
+	    uid_validity == 0)
 		return;
 
 	if (mbox->sync_uid_validity != uid_validity) {
diff -r 7ecd91f06169 -r 412e15c438bc src/lib-storage/index/imapc/imapc-storage.c
--- a/src/lib-storage/index/imapc/imapc-storage.c	Thu May 18 21:08:23 2017 +0300
+++ b/src/lib-storage/index/imapc/imapc-storage.c	Thu May 18 21:10:33 2017 +0300
@@ -545,6 +545,8 @@
 {
 	if (!mbox->exists_received)
 		*error_r = "EXISTS not received";
+	else if (mbox->sync_uid_validity == 0)
+		*error_r = "UIDVALIDITY not received";
 	else
 		return TRUE;
 	return FALSE;