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-rw-r--r--usr.bin/make/lst.lib/lstForEachFrom.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/usr.bin/make/lst.lib/lstForEachFrom.c b/usr.bin/make/lst.lib/lstForEachFrom.c
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--- a/usr.bin/make/lst.lib/lstForEachFrom.c
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-/*
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- *
- * @(#)lstForEachFrom.c 8.1 (Berkeley) 6/6/93
- */
-
-#ifndef lint
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-#endif /* not lint */
-
-/*-
- * lstForEachFrom.c --
- * Perform a given function on all elements of a list starting from
- * a given point.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "make.h"
-#include "util.h"
-#include "lst.h"
-
-/*-
- *-----------------------------------------------------------------------
- * Lst_ForEachFrom --
- * Apply the given function to each element of the given list. The
- * function should return 0 if traversal should continue and non-
- * zero if it should abort.
- *
- * Results:
- * None.
- *
- * Side Effects:
- * Only those created by the passed-in function.
- *
- *-----------------------------------------------------------------------
- */
-void
-Lst_ForEachFrom(Lst *list, LstNode *ln, DoProc *proc, void *d)
-{
- LstNode *next;
- Boolean done;
- int result;
-
- if (!Lst_Valid(list) || Lst_IsEmpty(list)) {
- return;
- }
-
- do {
- /*
- * Take care of having the current element deleted out from under
- * us.
- */
-
- next = ln->nextPtr;
-
- ln->useCount++;
- result = (*proc)(ln->datum, d);
- ln->useCount--;
-
- /*
- * We're done with the traversal if
- * - nothing's been added after the current node and
- * - the next node to examine is the first in the queue or
- * doesn't exist.
- */
- done = (next == ln->nextPtr &&
- (next == NULL || next == list->firstPtr));
-
- next = ln->nextPtr;
-
- if (ln->flags & LN_DELETED) {
- free(ln);
- }
- ln = next;
- } while (!result && !Lst_IsEmpty(list) && !done);
-}
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