diff options
Diffstat (limited to 'lst.lib/lstAppend.c')
-rw-r--r-- | lst.lib/lstAppend.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/lst.lib/lstAppend.c b/lst.lib/lstAppend.c deleted file mode 100644 index 97e60d959d7d..000000000000 --- a/lst.lib/lstAppend.c +++ /dev/null @@ -1,121 +0,0 @@ -/* $NetBSD: lstAppend.c,v 1.15 2020/07/03 08:37:56 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: lstAppend.c,v 1.15 2020/07/03 08:37:56 rillig Exp $"; -#else -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)lstAppend.c 8.1 (Berkeley) 6/6/93"; -#else -__RCSID("$NetBSD: lstAppend.c,v 1.15 2020/07/03 08:37:56 rillig Exp $"); -#endif -#endif /* not lint */ -#endif - -/*- - * LstAppend.c -- - * Add a new node with a new datum after an existing node - */ - -#include "lstInt.h" - -/*- - *----------------------------------------------------------------------- - * Lst_InsertAfter -- - * Create a new node and add it to the given list after the given node. - * - * Input: - * l affected list - * ln node after which to append the datum - * d said datum - * - * Results: - * SUCCESS if all went well. - * - * Side Effects: - * A new ListNode is created and linked in to the List. The lastPtr - * field of the List will be altered if ln is the last node in the - * list. lastPtr and firstPtr will alter if the list was empty and - * ln was NULL. - * - *----------------------------------------------------------------------- - */ -ReturnStatus -Lst_InsertAfter(Lst l, LstNode ln, void *d) -{ - List list; - ListNode lNode; - ListNode nLNode; - - if (LstValid (l) && (ln == NULL && LstIsEmpty (l))) { - goto ok; - } - - if (!LstValid (l) || LstIsEmpty (l) || ! LstNodeValid (ln, l)) { - return FAILURE; - } - ok: - - list = l; - lNode = ln; - - PAlloc (nLNode, ListNode); - nLNode->datum = d; - nLNode->useCount = nLNode->flags = 0; - - if (lNode == NULL) { - if (list->isCirc) { - nLNode->nextPtr = nLNode->prevPtr = nLNode; - } else { - nLNode->nextPtr = nLNode->prevPtr = NULL; - } - list->firstPtr = list->lastPtr = nLNode; - } else { - nLNode->prevPtr = lNode; - nLNode->nextPtr = lNode->nextPtr; - - lNode->nextPtr = nLNode; - if (nLNode->nextPtr != NULL) { - nLNode->nextPtr->prevPtr = nLNode; - } - - if (lNode == list->lastPtr) { - list->lastPtr = nLNode; - } - } - - return SUCCESS; -} |