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 /* 31 * opendir -- C library extension routine 32 * 33 * We use lmalloc()/lfree() rather than malloc()/free() in 34 * order to allow opendir()/readdir()/closedir() to be called 35 * while holding internal libc locks. 36 */ 37 38 #pragma weak _opendir = opendir 39 40 #include "lint.h" 41 #include <dirent.h> 42 #include <stdlib.h> 43 #include <unistd.h> 44 #include <fcntl.h> 45 46 DIR * 47 opendir(const char *filename) 48 { 49 int fd; 50 DIR *dirp; 51 52 if ((fd = openat(AT_FDCWD, filename, 53 O_RDONLY | O_NDELAY | O_LARGEFILE, 0)) < 0) 54 return (NULL); 55 if ((dirp = fdopendir(fd)) == NULL) 56 (void) close(fd); 57 return (dirp); 58 } 59