db2/log/log_compare.c

   1 /*-
   2  * See the file LICENSE for redistribution information.
   3  *
   4  * Copyright (c) 1996, 1997, 1998
   5  *      Sleepycat Software.  All rights reserved.
   6  */
   7 #include "config.h"
   8
   9 #ifndef lint
  10 static const char sccsid[] = "@(#)log_compare.c 10.3 (Sleepycat) 4/10/98";
  11 #endif /* not lint */
  12
  13 #ifndef NO_SYSTEM_INCLUDES
  14 #include <sys/types.h>
  15 #endif
  16
  17 #include "db_int.h"
  18
  19 /*
  20  * log_compare --
  21  *      Compare two LSN's.
  22  */
  23 int
  24 log_compare(lsn0, lsn1)
  25         const DB_LSN *lsn0, *lsn1;
  26 {
  27         if (lsn0->file != lsn1->file)
  28                 return (lsn0->file < lsn1->file ? -1 : 1);
  29
  30         if (lsn0->offset != lsn1->offset)
  31                 return (lsn0->offset < lsn1->offset ? -1 : 1);
  32
  33         return (0);
  34 }