2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $FreeBSD: src/usr.bin/basename/basename.c,v 1.15 2004/07/15 06:15:10 tjr Exp $
31 * @(#) Copyright (c) 1991, 1993, 1994 The Regents of the University of California. All rights reserved.
32 * @(#)basename.c 8.4 (Berkeley) 5/4/95
45 void stripsuffix(char *, const char *, size_t);
49 main(int argc
, char **argv
)
55 setlocale(LC_ALL
, "");
61 while ((ch
= getopt(argc
, argv
, "as:")) != -1) {
84 if ((p
= basename(argv
[0])) == NULL
)
85 err(1, "%s", argv
[0]);
86 if ((suffix
== NULL
&& !aflag
) && argc
== 2) {
91 suffixlen
= strlen(suffix
);
93 if ((p
= basename(*argv
)) == NULL
)
94 err(1, "%s", argv
[0]);
95 stripsuffix(p
, suffix
, suffixlen
);
103 stripsuffix(char *p
, const char *suffix
, size_t suffixlen
)
112 if (suffixlen
&& (q
= strchr(p
, '\0') - suffixlen
) > p
&&
113 strcmp(suffix
, q
) == 0) {
115 /* Ensure that the match occurred on a character boundary. */
116 memset(&mbs
, 0, sizeof(mbs
));
117 for (r
= p
; r
< q
; r
+= n
) {
118 n
= mbrlen(r
, MB_LEN_MAX
, &mbs
);
119 if (n
== (size_t)-1 || n
== (size_t)-2) {
120 memset(&mbs
, 0, sizeof(mbs
));
124 /* Chop off the suffix. */
136 "usage: basename string [suffix]\n"
137 " basename [-a] [-s suffix] string [...]\n");