GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/basename/basename.c Lines: 21 27 77.8 %
Date: 2017-11-07 Branches: 12 16 75.0 %

Line Branch Exec Source
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/*	$OpenBSD: basename.c,v 1.14 2016/10/28 07:22:59 schwarze Exp $	*/
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/*	$NetBSD: basename.c,v 1.9 1995/09/02 05:29:46 jtc Exp $	*/
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/*-
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 * Copyright (c) 1991, 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <err.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static void __dead usage(void);
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int
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main(int argc, char *argv[])
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{
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	int ch;
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	char *p;
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	if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
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		err(1, "pledge");
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	while ((ch = getopt(argc, argv, "")) != -1) {
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		switch (ch) {
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		default:
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			usage();
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		}
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	}
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	argc -= optind;
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	argv += optind;
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	if (argc != 1 && argc != 2)
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		usage();
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	if (**argv == '\0') {
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		(void)puts("");
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		return 0;
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	}
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	p = basename(*argv);
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	if (p == NULL)
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		err(1, "%s", *argv);
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	/*
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	 * If the suffix operand is present, is not identical to the
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	 * characters remaining in string, and is identical to a suffix
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	 * of the characters remaining in string, the suffix suffix
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	 * shall be removed from string.
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	 */
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	if (*++argv) {
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		size_t suffixlen, stringlen, off;
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		suffixlen = strlen(*argv);
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		stringlen = strlen(p);
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		if (suffixlen < stringlen) {
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			off = stringlen - suffixlen;
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			if (!strcmp(p + off, *argv))
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				p[off] = '\0';
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		}
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	}
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	(void)puts(p);
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	return 0;
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}
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extern char *__progname;
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static void __dead
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usage(void)
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{
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	(void)fprintf(stderr, "usage: %s string [suffix]\n", __progname);
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	exit(1);
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}