Y2038 doc pointers in the little helper C tools

[perl5.git] / utf8.h

diff --git a/utf8.h b/utf8.h
index c8da31e..659319e 100644 (file)
--- 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.
@@ -51,6 +51,7 @@ END_EXTERN_C
 
 /* Native character to iso-8859-1 */
 #define NATIVE_TO_ASCII(ch)      (ch)
+#define NATIVE8_TO_UNI(ch)        (ch)
 #define ASCII_TO_NATIVE(ch)      (ch)
 /* Transform after encoding */
 #define NATIVE_TO_UTF(ch)        (ch)
@@ -117,8 +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
@@ -213,7 +214,7 @@ encoded character.
 #define UNICODE_ILLEGAL                        0xFFFF
 
 /* Though our UTF-8 encoding can go beyond this,
- * let's be conservative and do as Unicode 3.2 says. */
+ * let's be conservative and do as Unicode 5.1 says. */
 #define PERL_UNICODE_MAX       0x10FFFF
 
 #define UNICODE_ALLOW_SURROGATE 0x0001 /* Allow UTF-16 surrogates (EVIL) */
@@ -340,3 +341,13 @@ encoded character.
 #define IS_UTF8_CHAR_FAST(n) ((n) <= 4)
 
 #endif /* IS_UTF8_CHAR() for UTF-8 */
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */