diff options
Diffstat (limited to 'lst.lib/lstIsAtEnd.c')
-rw-r--r-- | lst.lib/lstIsAtEnd.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/lst.lib/lstIsAtEnd.c b/lst.lib/lstIsAtEnd.c deleted file mode 100644 index c5add4d9867f..000000000000 --- a/lst.lib/lstIsAtEnd.c +++ /dev/null @@ -1,86 +0,0 @@ -/* $NetBSD: lstIsAtEnd.c,v 1.14 2020/07/03 08:37:57 rillig Exp $ */ - -/* - * Copyright (c) 1988, 1989, 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Adam de Boor. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef MAKE_NATIVE -static char rcsid[] = "$NetBSD: lstIsAtEnd.c,v 1.14 2020/07/03 08:37:57 rillig Exp $"; -#else -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)lstIsAtEnd.c 8.1 (Berkeley) 6/6/93"; -#else -__RCSID("$NetBSD: lstIsAtEnd.c,v 1.14 2020/07/03 08:37:57 rillig Exp $"); -#endif -#endif /* not lint */ -#endif - -/*- - * LstIsAtEnd.c -- - * Tell if the current node is at the end of the list. - * The sequential functions access the list in a slightly different way. - * CurPtr points to their idea of the current node in the list and they - * access the list based on it. Because the list is circular, Lst_Next - * and Lst_Prev will go around the list forever. Lst_IsAtEnd must be - * used to determine when to stop. - */ - -#include "lstInt.h" - -/*- - *----------------------------------------------------------------------- - * Lst_IsAtEnd -- - * Return true if have reached the end of the given list. - * - * Results: - * TRUE if at the end of the list (this includes the list not being - * open or being invalid) or FALSE if not. We return TRUE if the list - * is invalid or unopend so as to cause the caller to exit its loop - * asap, the assumption being that the loop is of the form - * while (!Lst_IsAtEnd (l)) { - * ... - * } - * - * Side Effects: - * None. - * - *----------------------------------------------------------------------- - */ -Boolean -Lst_IsAtEnd(Lst l) -{ - List list = l; - - return !LstValid (l) || !list->isOpen || - list->atEnd == Head || list->atEnd == Tail; -} |