X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=utf8.h;h=659319e82d68f91f9ad2eecb32f1687e6878e21d;hb=eb1c4873a4d2b3d386b680baf0b251a75d67e654;hp=f9f1bec462484278303ddaff41a54cdfac992bbf;hpb=b3ab6785f6871a84567168e1bd0426ff2f66d282;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/utf8.h b/utf8.h
index f9f1bec..659319e 100644
--- a/utf8.h
+++ b/utf8.h
@@ -1,6 +1,6 @@
 /*    utf8.h
  *
- *    Copyright (C) 2000, 2001, 2002, 2005, 2006, 2007, by Larry Wall and others
+ *    Copyright (C) 2000, 2001, 2002, 2005, 2006, 2007, 2009 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -118,8 +118,8 @@ encoded character.
 #define UTF8_IS_CONTINUED(c) 		(((U8)c) &  0x80)
 #define UTF8_IS_DOWNGRADEABLE_START(c)	(((U8)c & 0xfc) == 0xc0)
 
-#define UTF_START_MARK(len) ((len >  7) ? 0xFF : (0xFE << (7-len)))
-#define UTF_START_MASK(len) ((len >= 7) ? 0x00 : (0x1F >> (len-2)))
+#define UTF_START_MARK(len) (((len) >  7) ? 0xFF : (0xFE << (7-(len))))
+#define UTF_START_MASK(len) (((len) >= 7) ? 0x00 : (0x1F >> ((len)-2)))
 
 #define UTF_CONTINUATION_MARK		0x80
 #define UTF_ACCUMULATION_SHIFT		6