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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1995, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/param.h>
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
/*
* open a directory.
*/
DIR *
opendir(name)
char *name;
{
register DIR *dirp;
register int fd;
struct stat sb;
extern int errno;
extern char *malloc();
extern int open(), close(), fstat();
if ((fd = open(name, O_RDONLY | O_NDELAY)) == -1)
return (NULL);
if (fstat(fd, &sb) == -1) {
(void) close(fd);
return (NULL);
}
if ((sb.st_mode & S_IFMT) != S_IFDIR) {
errno = ENOTDIR;
(void) close(fd);
return (NULL);
}
if (((dirp = (DIR *)malloc(sizeof(DIR))) == NULL) ||
((dirp->dd_buf = malloc(sb.st_blksize)) == NULL)) {
if (dirp)
free(dirp);
(void) close(fd);
return (NULL);
}
dirp->dd_fd = fd;
dirp->dd_loc = 0;
dirp->dd_size = 0;
dirp->dd_bsize = sb.st_blksize;
dirp->dd_off = 0;
(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
return (dirp);
}
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