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/*-
* Copyright (c) 2014-2016 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
static inline int __wt_log_cmp(WT_LSN *lsn1, WT_LSN *lsn2);
/*
* __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));
}
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