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- /*-
- * LstEnQueue.c--
- * Treat the list as a queue and place a datum at its end
- *
- * Copyright (c) 1988 by University of California Regents
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appears in all copies. Neither the University of California nor
- * Adam de Boor makes any representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
- #ifndef lint
- static char *rcsid =
- "$Id: lstEnQueue.c,v 1.4 88/11/17 20:52:26 adam Exp $ SPRITE (Berkeley)";
- #endif lint
-
- #include "lstInt.h"
-
- /*-
- *-----------------------------------------------------------------------
- * Lst_EnQueue --
- * Add the datum to the tail of the given list.
- *
- * Results:
- * SUCCESS or FAILURE as returned by Lst_Append.
- *
- * Side Effects:
- * the lastPtr field is altered all the time and the firstPtr field
- * will be altered if the list used to be empty.
- *
- *-----------------------------------------------------------------------
- */
- ReturnStatus
- Lst_EnQueue (l, d)
- Lst l;
- ClientData d;
- {
- if (LstValid (l) == FALSE) {
- return (FAILURE);
- }
-
- return (Lst_Append (l, Lst_Last(l), d));
- }
-
-