added assert

--HG--
branch : HEAD

diff --git a/src/lib-index/mail-transaction-log-view.c b/src/lib-index/mail-transaction-log-view.c
index 97c08bf9a9c4b8533ccdb6043599053a3d6ac563..9bdb7e8df42c4cc36e5b1cb7910a311c54b02d15 100644 (file)
--- a/src/lib-index/mail-transaction-log-view.c
+++ b/src/lib-index/mail-transaction-log-view.c
@@ -118,6 +118,9 @@ mail_transaction_log_view_set(struct mail_transaction_log_view *view,
        i_assert(min_file_offset >= sizeof(struct mail_transaction_log_header));
        i_assert(max_file_offset >= sizeof(struct mail_transaction_log_header));
 
+       i_assert(min_file_seq != max_file_seq ||
+                min_file_offset <= max_file_offset);
+
        end_offset = min_file_seq == max_file_seq ?
                max_file_offset : (uoff_t)-1;
        ret = mail_transaction_log_file_map(file, min_file_offset, end_offset);