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author | Jakob Kaivo <jkk@ung.org> | 2019-03-13 21:18:58 -0400 |
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committer | Jakob Kaivo <jkk@ung.org> | 2019-03-13 21:18:58 -0400 |
commit | ef19c7338171c93cb13d08bf3860ee41ae826a95 (patch) | |
tree | af8f044b1ea3b0df839ffa560c373e500cf83200 |
migrate to gitlab
-rw-r--r-- | dirname.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/dirname.c b/dirname.c new file mode 100644 index 0000000..a43414c --- /dev/null +++ b/dirname.c @@ -0,0 +1,41 @@ +/* + * UNG's Not GNU + * + * Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#define _XOPEN_SOURCE 700 +#include <stdio.h> +#include <libgen.h> +#include <unistd.h> + +/*d Give the directory portion of a pathname d*/ +/*a string a*/ + +int main(int argc, char *argv[]) +{ + while (getopt(argc, argv, "") != -1) { + return 1; + } + + if (optind != argc - 1) { + fprintf(stderr, "dirname: Requires exactly one pathname\n"); + return 1; + } + + puts(dirname(argv[optind])); + return 0; +} |