1 files changed, 53 insertions, 0 deletions
diff --git a/coreutils/basename.c b/coreutils/basename.c
new file mode 100644
index 0000000..8a5597e
--- /dev/null
+++ b/coreutils/basename.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini basename implementation for busybox
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ */
+
+/* BB_AUDIT SUSv3 compliant */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
+
+
+/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
+ *
+ * Changes:
+ * 1) Now checks for too many args.  Need at least one and at most two.
+ * 2) Don't check for options, as per SUSv3.
+ * 3) Save some space by using strcmp().  Calling strncmp() here was silly.
+ */
+
+#include "libbb.h"
+
+/* This is a NOFORK applet. Be very careful! */
+
+int basename_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int basename_main(int argc, char **argv)
+{
+	size_t m, n;
+	char *s;
+
+	if (((unsigned int)(argc-2)) >= 2) {
+		bb_show_usage();
+	}
+
+	/* It should strip slash: /abc/def/ -> def */
+	s = bb_get_last_path_component_strip(*++argv);
+
+	m = strlen(s);
+	if (*++argv) {
+		n = strlen(*argv);
+		if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
+			m -= n;
+			/*s[m] = '\0'; - redundant */
+		}
+	}
+
+	/* puts(s) will do, but we can do without stdio this way: */
+	s[m++] = '\n';
+	/* NB: != is correct here: */
+	return full_write(STDOUT_FILENO, s, m) != (ssize_t)m;
+}