log_compare.c
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上传日期:2007-04-14
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文件大小:1k
- /*-
- * 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);
- }