shell: split read builtin from ash
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/math.c b/shell/math.c
index fc20def..76159b2 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -1,20 +1,17 @@
/*
* arithmetic code ripped out of ash shell for code sharing
*
+ * This code is derived from software contributed to Berkeley by
+ * Kenneth Almquist.
+ *
+ * Original BSD copyright notice is retained at the end of this file.
+ *
* Copyright (c) 1989, 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
* was re-ported from NetBSD and debianized.
*
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
- *
- * Original BSD copyright notice is retained at the end of this file.
- */
-/*
* rewrite arith.y to micro stack based cryptic algorithm by
* Copyright (c) 2001 Aaron Lehmann <aaronl@vitelus.com>
*
@@ -25,6 +22,8 @@
* used in busybox and size optimizations,
* rewrote arith (see notes to this), added locale support,
* rewrote dynamic variables.
+ *
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
#include "libbb.h"
#include "math.h"