104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
|
/* $NetBSD: basename.c,v 1.15 2011/08/29 14:24:03 joerg Exp $ */
|
||
|
|
|
||
|
|
/*-
|
||
|
|
* Copyright (c) 1991, 1993, 1994
|
||
|
|
* The Regents of the University of California. All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. Neither the name of the University nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
#ifndef lint
|
||
|
|
__COPYRIGHT("@(#) Copyright (c) 1991, 1993, 1994\
|
||
|
|
The Regents of the University of California. All rights reserved.");
|
||
|
|
#endif /* not lint */
|
||
|
|
|
||
|
|
#ifndef lint
|
||
|
|
#if 0
|
||
|
|
static char sccsid[] = "@(#)basename.c 8.4 (Berkeley) 5/4/95";
|
||
|
|
#endif
|
||
|
|
__RCSID("$NetBSD: basename.c,v 1.15 2011/08/29 14:24:03 joerg Exp $");
|
||
|
|
#endif /* not lint */
|
||
|
|
|
||
|
|
#include <err.h>
|
||
|
|
#include <libgen.h>
|
||
|
|
#include <locale.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
__dead static void usage(void);
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
char *p;
|
||
|
|
int ch;
|
||
|
|
|
||
|
|
setlocale(LC_ALL, "");
|
||
|
|
|
||
|
|
while ((ch = getopt(argc, argv, "")) != -1)
|
||
|
|
switch (ch) {
|
||
|
|
case '?':
|
||
|
|
default:
|
||
|
|
usage();
|
||
|
|
}
|
||
|
|
argc -= optind;
|
||
|
|
argv += optind;
|
||
|
|
|
||
|
|
if (argc != 1 && argc != 2)
|
||
|
|
usage();
|
||
|
|
|
||
|
|
if (**argv == '\0') {
|
||
|
|
(void)printf("\n");
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
if ((p = basename(*argv)) == NULL)
|
||
|
|
err(1, "%s", *argv);
|
||
|
|
if (*++argv != '\0') {
|
||
|
|
int suffixlen, stringlen, off;
|
||
|
|
|
||
|
|
suffixlen = strlen(*argv);
|
||
|
|
stringlen = strlen(p);
|
||
|
|
|
||
|
|
if (suffixlen < stringlen) {
|
||
|
|
off = stringlen - suffixlen;
|
||
|
|
if (strcmp(p + off, *argv) == 0)
|
||
|
|
p[off] = '\0';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
(void)printf("%s\n", p);
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
usage(void)
|
||
|
|
{
|
||
|
|
|
||
|
|
(void)fprintf(stderr, "usage: basename string [suffix]\n");
|
||
|
|
exit(1);
|
||
|
|
}
|