diff options
Diffstat (limited to 'shell_cmds/dirname')
-rw-r--r-- | shell_cmds/dirname/dirname.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/shell_cmds/dirname/dirname.c b/shell_cmds/dirname/dirname.c new file mode 100644 index 0000000..11b19b2 --- /dev/null +++ b/shell_cmds/dirname/dirname.c @@ -0,0 +1,84 @@ +/*- + * 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. 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 + * SUCH DAMAGE. + */ + +#ifndef lint +static const char copyright[] = +"@(#) Copyright (c) 1991, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static const char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95"; +#endif /* not lint */ +#include <sys/cdefs.h> +__RCSID("$FreeBSD: src/usr.bin/dirname/dirname.c,v 1.11 2002/07/28 15:43:56 dwmalone Exp $"); + +#include <err.h> +#include <libgen.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +void usage(void); + +int +main(int argc, char **argv) +{ + char *p; + int ch; + + while ((ch = getopt(argc, argv, "")) != -1) + switch(ch) { + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (argc != 1) + usage(); + + if ((p = dirname(*argv)) == NULL) + err(1, "%s", *argv); + (void)printf("%s\n", p); + exit(0); +} + +void +usage(void) +{ + + (void)fprintf(stderr, "usage: dirname path\n"); + exit(1); +} |