X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Funicode-utf8.c;h=e4a33af8495f216bcbade228c55ce271a8f0f23c;hb=c5fbc7b75705d1f7a322ad73e6055284a3b94e73;hp=8c8ac1bdf0df9a2308de945df8a87d67d19fa85a;hpb=6ea963867ef0111a93cc4fd503ef5a067b764ccc;p=libucw.git

diff --git a/lib/unicode-utf8.c b/lib/unicode-utf8.c
index 8c8ac1bd..e4a33af8 100644
--- a/lib/unicode-utf8.c
+++ b/lib/unicode-utf8.c
@@ -12,7 +12,7 @@
 #include "lib/unicode.h"
 
 uns
-utf8_strlen(byte *str)
+utf8_strlen(const byte *str)
 {
   uns len = 0;
   while (*str)
@@ -24,10 +24,10 @@ utf8_strlen(byte *str)
 }
 
 uns
-utf8_strnlen(byte *str, uns n)
+utf8_strnlen(const byte *str, uns n)
 {
   uns len = 0;
-  byte *end = str + n;
+  const byte *end = str + n;
   while (str < end)
     {
       UTF8_SKIP(str);
@@ -36,35 +36,6 @@ utf8_strnlen(byte *str, uns n)
   return len;
 }
 
-uns
-utf8_check(byte *s)
-{
-#define UTF8_CHECK_NEXT if (unlikely((*s & 0xc0) != 0x80)) goto bad; s++
-  while (*s)
-    {
-      uns u = *s++;
-      if (u < 0x80)
-	;
-      else if (unlikely(u < 0xc0))
-        {
-bad:
-	  return 0;
-	}
-      else if (u < 0xe0)
-        {
-	  UTF8_CHECK_NEXT;
-	}
-      else if (likely(u < 0xf0))
-        {
-	  UTF8_CHECK_NEXT;
-	  UTF8_CHECK_NEXT;
-	}
-      else
-	goto bad;
-    }
-  return 1;
-}
-
 #ifdef TEST
 #include <string.h>
 #include <stdio.h>