* Copyright (c) 1991 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
"@(#) Copyright (c) 1991 The Regents of the University of California.\n\
static char sccsid
[] = "@(#)dirname.c 5.6 (Berkeley) 3/9/91";
while ((ch
= getopt(argc
, argv
, "")) != EOF
)
* (1) If string is //, skip steps (2) through (5).
* (2) If string consists entirely of slash characters, string
* shall be set to a single slash character. In this case,
* skip steps (3) through (8).
* (3) If there are any trailing slash characters in string, they
* (4) If there are no slash characters remaining in string,
* string shall be set to a single period character. In this
* case skip steps (5) through (8).
* (5) If there are any trailing nonslash characters in string,
* (6) If the remaining string is //, it is implementation defined
* whether steps (7) and (8) are skipped or processed.
* This case has already been handled, as part of steps (1) and (2).
* (7) If there are any trailing slash characters in string, they
* (8) If the remaining string is empty, string shall be set to
* a single slash character.
(void)printf("%s\n", p
== *argv
? "/" : *argv
);
(void)fprintf(stderr
, "usage: dirname path\n");