From: Martin Mares <mj@ucw.cz>
Date: Sat, 11 Oct 2003 20:14:23 +0000 (+0000)
Subject: Added UTF8_SKIP_BWD.
X-Git-Tag: holmes-import~1186
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=5ad72a06ed207bbcd35d40854b4c768078b6c62d;p=libucw.git

Added UTF8_SKIP_BWD.
---

diff --git a/charset/unicode.h b/charset/unicode.h
index 1b8f4b67..7bc6f235 100644
--- a/charset/unicode.h
+++ b/charset/unicode.h
@@ -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 *);