# HG changeset patch
# User Timo Sirainen <tss@iki.fi>
# Date 1181786795 -10800
# Node ID 9f2e5701105f7a8aaf73bb88292f46d8e27a2b73
# Parent  615a8c31ff47203e7c930ec85effc5e0b2cee62a
Log an error if cache offset is tried to be updated with itself.

diff -r 615a8c31ff47 -r 9f2e5701105f src/lib-index/mail-cache-sync-update.c
--- a/src/lib-index/mail-cache-sync-update.c	Thu Jun 14 04:57:22 2007 +0300
+++ b/src/lib-index/mail-cache-sync-update.c	Thu Jun 14 05:06:35 2007 +0300
@@ -140,6 +140,12 @@
 		return 1;
 	}
 
+	if (*old_cache_offset == *new_cache_offset) {
+		mail_index_sync_set_corrupted(sync_ctx,
+			"Cache offset replaced with itself");
+		return -1;
+	}
+
 	if (mail_cache_link(cache, *old_cache_offset, *new_cache_offset) < 0)
 		return -1;