add bb_basename.c

diff --git a/libbb/bb_basename.c b/libbb/bb_basename.c
new file mode 100644 (file)
index 0000000..e19156d
--- /dev/null
+++ b/libbb/bb_basename.c
@@ -0,0 +1,18 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 2007 Denis Vlasenko
+ *
+ * Licensed under GPL version 2, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+
+const char *bb_basename(const char *name)
+{
+       const char *cp = strrchr(name, '/');
+       if (cp)
+               return cp + 1;
+       return name;
+}