1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * opendir -- C library extension routine 34 * 35 * We use lmalloc()/lfree() rather than malloc()/free() in 36 * order to allow opendir()/readdir()/closedir() to be called 37 * while holding internal libc locks. 38 */ 39 40 #pragma weak _opendir = opendir 41 42 #include "lint.h" 43 #include <dirent.h> 44 #include <stdlib.h> 45 #include <unistd.h> 46 #include <fcntl.h> 47 48 DIR * 49 opendir(const char *filename) 50 { 51 int fd; 52 DIR *dirp; 53 54 if ((fd = openat(AT_FDCWD, filename, 55 O_RDONLY | O_NDELAY | O_LARGEFILE, 0)) < 0) 56 return (NULL); 57 if ((dirp = fdopendir(fd)) == NULL) 58 (void) close(fd); 59 return (dirp); 60 } 61