X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=charset%2Funicode.h;h=7bc6f235812ef3c5529dac1de956e768924eea7f;hb=2b797fef8d8133e5b1cb40706aabc92718da40bd;hp=3246f1346162a33c996a4abd8c08323d4a3b2162;hpb=ef6639d2cf305018f9edb2f7944969c236afbfea;p=libucw.git

diff --git a/charset/unicode.h b/charset/unicode.h
index 3246f134..7bc6f235 100644
--- a/charset/unicode.h
+++ b/charset/unicode.h
@@ -42,14 +42,14 @@ static inline uns Uunaccent(uns x)
 extern const word *Uexpand_lig(uns x);
 
 enum unicode_char_type {
-  _U_LETTER,			/* Letters */
-  _U_UPPER,			/* Upper-case letters */
-  _U_LOWER,			/* Lower-case letters */
-  _U_CTRL,			/* Control characters */
-  _U_DIGIT,			/* Digits */
-  _U_XDIGIT,			/* Hexadecimal digits */
-  _U_SPACE,			/* White spaces (spaces, tabs, newlines) */
-  _U_LIGATURE,			/* Compatibility ligature (to be expanded) */
+  _U_LETTER = 1,		/* Letters */
+  _U_UPPER = 2,			/* Upper-case letters */
+  _U_LOWER = 4,			/* Lower-case letters */
+  _U_CTRL = 8,			/* Control characters */
+  _U_DIGIT = 16,		/* Digits */
+  _U_XDIGIT = 32,		/* Hexadecimal digits */
+  _U_SPACE = 64,		/* White spaces (spaces, tabs, newlines) */
+  _U_LIGATURE = 128,		/* Compatibility ligature (to be expanded) */
 };
 
 #define _U_LUPPER (_U_LETTER | _U_UPPER)
@@ -124,6 +124,8 @@ enum unicode_char_type {
         p++, c <<= 1;					\
   } while (0)
 
+#define UTF8_SKIP_BWD(p) while ((--*(p) & 0xc0) == 0x80)
+
 #define UTF8_SPACE(u) ((u) < 0x80 ? 1 : (u) < 0x800 ? 2 : 3)
 
 uns ucs2_to_utf8(byte *, word *);