1 files changed, 103 insertions, 0 deletions
diff --git a/usr.bin/basename/basename.c b/usr.bin/basename/basename.c
new file mode 100644
index 0000000..78b5d8b
--- /dev/null
+++ b/usr.bin/basename/basename.c
@@ -0,0 +1,103 @@
+/*	$NetBSD: basename.c,v 1.16 2019/02/01 08:29:04 mrg Exp $	*/
+
+/*-
+ * 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. 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.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1991, 1993, 1994\
+ The Regents of the University of California.  All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)basename.c	8.4 (Berkeley) 5/4/95";
+#endif
+__RCSID("$NetBSD: basename.c,v 1.16 2019/02/01 08:29:04 mrg Exp $");
+#endif /* not lint */
+
+#include <err.h>
+#include <libgen.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+__dead static void usage(void);
+
+int
+main(int argc, char **argv)
+{
+	char *p;
+	int ch;
+
+	setlocale(LC_ALL, "");
+
+	while ((ch = getopt(argc, argv, "")) != -1)
+		switch (ch) {
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 1 && argc != 2)
+		usage();
+
+	if (**argv == '\0') {
+		(void)printf("\n");
+		exit(0);
+	}
+	if ((p = basename(*argv)) == NULL)
+		err(1, "%s", *argv);
+	if (*++argv != NULL) {
+		int suffixlen, stringlen, off;
+
+		suffixlen = strlen(*argv);
+		stringlen = strlen(p);
+
+		if (suffixlen < stringlen) {
+			off = stringlen - suffixlen;
+			if (strcmp(p + off, *argv) == 0)
+				p[off] = '\0';
+		}
+	}
+	(void)printf("%s\n", p);
+	exit(0);
+}
+
+static void
+usage(void)
+{
+
+	(void)fprintf(stderr, "usage: basename string [suffix]\n");
+	exit(1);
+}