17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
5494a4c5raf * Common Development and Distribution License (the "License").
6494a4c5raf * You may not use this file except in compliance with the License.
77c478bdstevel@tonic-gate *
87c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bdstevel@tonic-gate * See the License for the specific language governing permissions
117c478bdstevel@tonic-gate * and limitations under the License.
127c478bdstevel@tonic-gate *
137c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bdstevel@tonic-gate *
197c478bdstevel@tonic-gate * CDDL HEADER END
207c478bdstevel@tonic-gate */
21494a4c5raf
227c478bdstevel@tonic-gate/*
237257d1braf * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate/*	Copyright (c) 1988 AT&T	*/
287c478bdstevel@tonic-gate/*	  All Rights Reserved  	*/
297c478bdstevel@tonic-gate
307257d1braf#pragma ident	"%Z%%M%	%I%	%E% SMI"
317257d1braf
327c478bdstevel@tonic-gate/*
337c478bdstevel@tonic-gate * opendir -- C library extension routine
347c478bdstevel@tonic-gate *
357c478bdstevel@tonic-gate * We use lmalloc()/lfree() rather than malloc()/free() in
367c478bdstevel@tonic-gate * order to allow opendir()/readdir()/closedir() to be called
377c478bdstevel@tonic-gate * while holding internal libc locks.
387c478bdstevel@tonic-gate */
397c478bdstevel@tonic-gate
407257d1braf#pragma weak _opendir = opendir
417c478bdstevel@tonic-gate
427257d1braf#include "lint.h"
437c478bdstevel@tonic-gate#include <dirent.h>
447c478bdstevel@tonic-gate#include <stdlib.h>
457c478bdstevel@tonic-gate#include <unistd.h>
467c478bdstevel@tonic-gate#include <fcntl.h>
477c478bdstevel@tonic-gate
487c478bdstevel@tonic-gateDIR *
497c478bdstevel@tonic-gateopendir(const char *filename)
507c478bdstevel@tonic-gate{
517c478bdstevel@tonic-gate	int fd;
527c478bdstevel@tonic-gate	DIR *dirp;
537c478bdstevel@tonic-gate
547c478bdstevel@tonic-gate	if ((fd = openat(AT_FDCWD, filename,
557c478bdstevel@tonic-gate	    O_RDONLY | O_NDELAY | O_LARGEFILE, 0)) < 0)
567c478bdstevel@tonic-gate		return (NULL);
577c478bdstevel@tonic-gate	if ((dirp = fdopendir(fd)) == NULL)
587c478bdstevel@tonic-gate		(void) close(fd);
597c478bdstevel@tonic-gate	return (dirp);
607c478bdstevel@tonic-gate}
61