1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1995, by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/param.h> 30*7c478bd9Sstevel@tonic-gate #include <sys/stat.h> 31*7c478bd9Sstevel@tonic-gate #include <dirent.h> 32*7c478bd9Sstevel@tonic-gate #include <errno.h> 33*7c478bd9Sstevel@tonic-gate #include <fcntl.h> 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate /* 36*7c478bd9Sstevel@tonic-gate * open a directory. 37*7c478bd9Sstevel@tonic-gate */ 38*7c478bd9Sstevel@tonic-gate DIR * 39*7c478bd9Sstevel@tonic-gate opendir(name) 40*7c478bd9Sstevel@tonic-gate char *name; 41*7c478bd9Sstevel@tonic-gate { 42*7c478bd9Sstevel@tonic-gate register DIR *dirp; 43*7c478bd9Sstevel@tonic-gate register int fd; 44*7c478bd9Sstevel@tonic-gate struct stat sb; 45*7c478bd9Sstevel@tonic-gate extern int errno; 46*7c478bd9Sstevel@tonic-gate extern char *malloc(); 47*7c478bd9Sstevel@tonic-gate extern int open(), close(), fstat(); 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate if ((fd = open(name, O_RDONLY | O_NDELAY)) == -1) 50*7c478bd9Sstevel@tonic-gate return (NULL); 51*7c478bd9Sstevel@tonic-gate if (fstat(fd, &sb) == -1) { 52*7c478bd9Sstevel@tonic-gate (void) close(fd); 53*7c478bd9Sstevel@tonic-gate return (NULL); 54*7c478bd9Sstevel@tonic-gate } 55*7c478bd9Sstevel@tonic-gate if ((sb.st_mode & S_IFMT) != S_IFDIR) { 56*7c478bd9Sstevel@tonic-gate errno = ENOTDIR; 57*7c478bd9Sstevel@tonic-gate (void) close(fd); 58*7c478bd9Sstevel@tonic-gate return (NULL); 59*7c478bd9Sstevel@tonic-gate } 60*7c478bd9Sstevel@tonic-gate if (((dirp = (DIR *)malloc(sizeof(DIR))) == NULL) || 61*7c478bd9Sstevel@tonic-gate ((dirp->dd_buf = malloc(sb.st_blksize)) == NULL)) { 62*7c478bd9Sstevel@tonic-gate if (dirp) 63*7c478bd9Sstevel@tonic-gate free(dirp); 64*7c478bd9Sstevel@tonic-gate (void) close(fd); 65*7c478bd9Sstevel@tonic-gate return (NULL); 66*7c478bd9Sstevel@tonic-gate } 67*7c478bd9Sstevel@tonic-gate dirp->dd_fd = fd; 68*7c478bd9Sstevel@tonic-gate dirp->dd_loc = 0; 69*7c478bd9Sstevel@tonic-gate dirp->dd_size = 0; 70*7c478bd9Sstevel@tonic-gate dirp->dd_bsize = sb.st_blksize; 71*7c478bd9Sstevel@tonic-gate dirp->dd_off = 0; 72*7c478bd9Sstevel@tonic-gate (void) fcntl(fd, F_SETFD, FD_CLOEXEC); 73*7c478bd9Sstevel@tonic-gate return (dirp); 74*7c478bd9Sstevel@tonic-gate } 75