From: Michal Vaner <vorner@ucw.cz>
Date: Sun, 20 Jul 2008 21:34:26 +0000 (+0200)
Subject: Libucw: Add ROR (bitwise ROtation to Right)
X-Git-Tag: holmes-import~375
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=eeb2c0a84c12ae9825bd9e12a4364430a6abe495;p=libucw.git

Libucw: Add ROR (bitwise ROtation to Right)
---

diff --git a/ucw/lib.h b/ucw/lib.h
index c473343c..e4352ee8 100644
--- a/ucw/lib.h
+++ b/ucw/lib.h
@@ -43,7 +43,8 @@
 #define COMPARE_LT(x,y) do { if ((x)<(y)) return 1; if ((x)>(y)) return 0; } while(0)
 #define COMPARE_GT(x,y) COMPARE_LT(y,x)
 
-#define	ROL(x, bits) (((x) << (bits)) | ((x) >> (sizeof(uns)*8 - (bits))))	/* Bitwise rotation of an uns to the left */
+#define	ROL(x, bits) (((x) << (bits)) | ((uns)(x) >> (sizeof(uns)*8 - (bits))))	/* Bitwise rotation of an uns to the left */
+#define	ROR(x, bits) (((uns)(x) >> (bits)) | ((x) << (sizeof(uns)*8 - (bits))))
 
 /* GCC Extensions */