diff options
Diffstat (limited to 'bdb/log/log_compare.c')
-rw-r--r-- | bdb/log/log_compare.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/bdb/log/log_compare.c b/bdb/log/log_compare.c new file mode 100644 index 00000000000..9bc3c028a5f --- /dev/null +++ b/bdb/log/log_compare.c @@ -0,0 +1,34 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996, 1997, 1998, 1999, 2000 + * Sleepycat Software. All rights reserved. + */ +#include "db_config.h" + +#ifndef lint +static const char revid[] = "$Id: log_compare.c,v 11.3 2000/02/14 02:59:59 bostic Exp $"; +#endif /* not lint */ + +#ifndef NO_SYSTEM_INCLUDES +#include <sys/types.h> +#endif + +#include "db_int.h" + +/* + * log_compare -- + * Compare two LSN's; return 1, 0, -1 if first is >, == or < second. + */ +int +log_compare(lsn0, lsn1) + const DB_LSN *lsn0, *lsn1; +{ + if (lsn0->file != lsn1->file) + return (lsn0->file < lsn1->file ? -1 : 1); + + if (lsn0->offset != lsn1->offset) + return (lsn0->offset < lsn1->offset ? -1 : 1); + + return (0); +} |