1 files changed, 119 insertions, 0 deletions
diff --git a/shell_cmds/basename/basename.c b/shell_cmds/basename/basename.c
new file mode 100644
index 0000000..6bde858
--- /dev/null
+++ b/shell_cmds/basename/basename.c
@@ -0,0 +1,119 @@
+/*-
+ * 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
+
+#if 0
+#ifndef lint
+static char sccsid[] = "@(#)basename.c	8.4 (Berkeley) 5/4/95";
+#endif /* not lint */
+#endif
+
+#include <sys/cdefs.h>
+__RCSID("$FreeBSD: src/usr.bin/basename/basename.c,v 1.14 2002/09/04 23:28:52 dwmalone Exp $");
+
+#include <err.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+void usage(void);
+
+int
+main(int argc, char **argv)
+{
+	char *p, *q, *suffix;
+	size_t suffixlen;
+	int aflag, ch;
+
+	aflag = 0;
+	suffix = NULL;
+	suffixlen = 0;
+
+	while ((ch = getopt(argc, argv, "as:")) != -1)
+		switch(ch) {
+		case 'a':
+			aflag = 1;
+			break;
+		case 's':
+			suffix = optarg;
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 1)
+		usage();
+
+	if (!*argv[0]) {
+		printf("\n");
+		exit(0);
+	}
+	if ((p = basename(argv[0])) == NULL)
+		err(1, "%s", argv[0]);
+	if ((suffix == NULL && !aflag) && argc == 2) {
+		suffix = argv[1];
+		argc--;
+	}
+	if (suffix != NULL)
+		suffixlen = strlen(suffix);
+	while (argc--) {
+		if ((p = basename(*argv)) == NULL)
+			err(1, "%s", argv[0]);
+		if (suffixlen && (q = strchr(p, '\0') - suffixlen) > p &&
+		    strcmp(suffix, q) == 0)
+			*q = '\0';
+		argv++;
+		(void)printf("%s\n", p);
+	}
+	exit(0);
+}
+
+void
+usage(void)
+{
+
+	(void)fprintf(stderr,
+"usage: basename string [suffix]\n"
+"       basename [-a] [-s suffix] string [...]\n");
+	exit(1);
+}