/*- * Copyright (c) 2014-2020 MongoDB, Inc. * Copyright (c) 2008-2014 WiredTiger, Inc. * All rights reserved. * * See the file LICENSE for redistribution information. */ /* * __wt_log_cmp -- * Compare 2 LSNs, return -1 if lsn1 < lsn2, 0if lsn1 == lsn2 and 1 if lsn1 > lsn2. */ static inline int __wt_log_cmp(WT_LSN *lsn1, WT_LSN *lsn2) { uint64_t l1, l2; /* * Read LSNs into local variables so that we only read each field once and all comparisons are * on the same values. */ l1 = ((volatile WT_LSN *)lsn1)->file_offset; l2 = ((volatile WT_LSN *)lsn2)->file_offset; return (l1 < l2 ? -1 : (l1 > l2 ? 1 : 0)); }