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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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
int
main(int argc, char **argv)
{
char *p;
char *string;
/*
* For better performance, defer the setlocale()/textdomain()
* calls until they get really required.
*/
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
if (argc == 1) {
(void) puts(".");
return (0);
}
if (strcmp(argv[1], "--") == 0) {
argv++;
argc--;
if (argc == 1) {
(void) puts(".");
return (0);
}
}
if (argc > 2) {
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
(void) fprintf(stderr, gettext("Usage: dirname [ path ]\n"));
return (1);
}
string = argv[1];
if (*string == '\0') {
(void) puts(".");
return (0);
}
/* remove trailing slashes */
p = string + strlen(string) - 1;
while (p >= string && *p == '/')
*p-- = '\0';
if (*string == '\0') {
/* string contained only slashes */
(void) puts("/");
return (0);
}
/* remove non-slashes */
while (p >= string && *p != '/')
*p-- = '\0';
if (*string == '\0') {
/* string did not begin with a slash */
(void) puts(".");
return (0);
}
/* remove slashes delimiting dirname and basename */
while (p >= string && *p == '/')
*p-- = '\0';
if (*string == '\0') {
/* no dirname part found */
(void) puts("/");
return (0);
}
/* now string points to dirname part */
(void) puts(string);
return (0);
}
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