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36 * $FreeBSD: src/usr.bin/make/lst.lib/lstAppend.c,v 1.6 1999/08/28 01:03:45 peter Exp $
37 * $DragonFly: src/usr.bin/make/lst.lib/Attic/lstAppend.c,v 1.9 2004/12/17 08:07:49 okumoto Exp $
39 * @(#)lstAppend.c 8.1 (Berkeley) 6/6/93
44 * Add a new node with a new datum after an existing node
51 *-----------------------------------------------------------------------
53 * Create a new node and add it to the given list after the given node.
57 * ln node after which to append the datum
61 * A new LstNode is created and linked in to the List. The lastPtr
62 * field of the List will be altered if ln is the last node in the
63 * list. lastPtr and firstPtr will alter if the list was empty and
66 *-----------------------------------------------------------------------
69 Lst_Append(Lst *list, LstNode *ln, void *d)
73 nLNode = emalloc(sizeof(*nLNode));
75 nLNode->useCount = nLNode->flags = 0;
78 nLNode->nextPtr = nLNode->prevPtr = NULL;
79 list->firstPtr = list->lastPtr = nLNode;
82 nLNode->nextPtr = ln->nextPtr;
85 if (nLNode->nextPtr != NULL) {
86 nLNode->nextPtr->prevPtr = nLNode;
89 if (ln == list->lastPtr) {
90 list->lastPtr = nLNode;