rewinddir.c revision 1.7
11.7Slukem/*	$NetBSD: rewinddir.c,v 1.7 1999/09/16 11:45:03 lukem Exp $	*/
21.4Scgd
31.1Scgd/*-
41.2Sjtc * Copyright (c) 1990, 1993
51.2Sjtc *	The Regents of the University of California.  All rights reserved.
61.1Scgd *
71.1Scgd * Redistribution and use in source and binary forms, with or without
81.1Scgd * modification, are permitted provided that the following conditions
91.1Scgd * are met:
101.1Scgd * 1. Redistributions of source code must retain the above copyright
111.1Scgd *    notice, this list of conditions and the following disclaimer.
121.1Scgd * 2. Redistributions in binary form must reproduce the above copyright
131.1Scgd *    notice, this list of conditions and the following disclaimer in the
141.1Scgd *    documentation and/or other materials provided with the distribution.
151.1Scgd * 3. All advertising materials mentioning features or use of this software
161.1Scgd *    must display the following acknowledgement:
171.1Scgd *	This product includes software developed by the University of
181.1Scgd *	California, Berkeley and its contributors.
191.1Scgd * 4. Neither the name of the University nor the names of its contributors
201.1Scgd *    may be used to endorse or promote products derived from this software
211.1Scgd *    without specific prior written permission.
221.1Scgd *
231.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
241.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
251.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
261.1Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
271.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
281.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
291.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
301.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
311.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
321.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
331.1Scgd * SUCH DAMAGE.
341.1Scgd */
351.1Scgd
361.5Schristos#include <sys/cdefs.h>
371.1Scgd#if defined(LIBC_SCCS) && !defined(lint)
381.4Scgd#if 0
391.4Scgdstatic char sccsid[] = "@(#)rewinddir.c	8.1 (Berkeley) 6/8/93";
401.4Scgd#else
411.7Slukem__RCSID("$NetBSD: rewinddir.c,v 1.7 1999/09/16 11:45:03 lukem Exp $");
421.4Scgd#endif
431.1Scgd#endif /* LIBC_SCCS and not lint */
441.1Scgd
451.6Sjtc#include "namespace.h"
461.1Scgd#include <sys/types.h>
471.7Slukem
481.1Scgd#include <dirent.h>
491.6Sjtc
501.6Sjtc#ifdef __weak_alias
511.6Sjtc__weak_alias(rewinddir,_rewinddir);
521.6Sjtc#endif
531.1Scgd
541.1Scgdvoid
551.1Scgdrewinddir(dirp)
561.1Scgd	DIR *dirp;
571.1Scgd{
581.7Slukem
591.7Slukem#ifdef _DIAGNOSTIC
601.7Slukem	if (dirp == NULL)
611.7Slukem		return;
621.7Slukem#endif
631.1Scgd
641.2Sjtc	__seekdir(dirp, dirp->dd_rewind);
651.2Sjtc	dirp->dd_rewind = telldir(dirp);
661.1Scgd}
67