/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Return pointer to the directory name, stripping off the last
* component of the path.
* Works similar to /bin/dirname
*/
#pragma weak _dirname = dirname
#include "lint.h"
#include <sys/types.h>
#include <string.h>
char *
dirname(char *s)
{
char *p;
if (!s || !*s) /* zero or empty argument */
return (".");
p = s + strlen(s);
while (p != s && *--p == '/') /* trim trailing /s */
;
if (p == s && *p == '/')
return ("/");
while (p != s)
if (*--p == '/') {
while (*p == '/' && p != s)
p--;
*++p = '\0';
return (s);
}
return (".");
}