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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 1987 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/param.h>
#include <dirent.h>
/*
* get next entry in a directory.
*/
struct dirent *
readdir(dirp)
register DIR *dirp;
{
register struct dirent *dp;
int saveloc = 0;
next:
if (dirp->dd_size != 0) {
dp = (struct dirent *)&dirp->dd_buf[dirp->dd_loc];
saveloc = dirp->dd_loc; /* save for possible EOF */
dirp->dd_loc += dp->d_reclen;
}
if (dirp->dd_loc >= dirp->dd_size)
dirp->dd_loc = dirp->dd_size = 0;
if (dirp->dd_size == 0 /* refill buffer */
&& (dirp->dd_size = getdents(dirp->dd_fd, dirp->dd_buf, dirp->dd_bsize)
) <= 0
) {
if (dirp->dd_size == 0) /* This means EOF */
dirp->dd_loc = saveloc; /* EOF so save for telldir */
return (NULL); /* error or EOF */
}
dp = (struct dirent *)&dirp->dd_buf[dirp->dd_loc];
if (dp->d_reclen <= 0)
return (NULL);
if (dp->d_fileno == 0)
goto next;
dirp->dd_off = dp->d_off;
return(dp);
}
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