2 b2cfc4e2 2003-09-30 devnull * The authors of this software are Rob Pike and Ken Thompson.
3 b2cfc4e2 2003-09-30 devnull * Copyright (c) 2002 by Lucent Technologies.
4 b2cfc4e2 2003-09-30 devnull * Permission to use, copy, modify, and distribute this software for any
5 b2cfc4e2 2003-09-30 devnull * purpose without fee is hereby granted, provided that this entire notice
6 b2cfc4e2 2003-09-30 devnull * is included in all copies of any software which is or includes a copy
7 b2cfc4e2 2003-09-30 devnull * or modification of this software and in all copies of the supporting
8 b2cfc4e2 2003-09-30 devnull * documentation for such software.
9 b2cfc4e2 2003-09-30 devnull * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10 b2cfc4e2 2003-09-30 devnull * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11 b2cfc4e2 2003-09-30 devnull * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12 b2cfc4e2 2003-09-30 devnull * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
14 b2cfc4e2 2003-09-30 devnull #include <stdarg.h>
15 b2cfc4e2 2003-09-30 devnull #include <string.h>
16 b2cfc4e2 2003-09-30 devnull #include "utf.h"
17 b2cfc4e2 2003-09-30 devnull #include "utfdef.h"
20 b2cfc4e2 2003-09-30 devnull utfnlen(char *s, long m)
24 b2cfc4e2 2003-09-30 devnull Rune rune;
25 b2cfc4e2 2003-09-30 devnull char *es;
27 b2cfc4e2 2003-09-30 devnull es = s + m;
28 b2cfc4e2 2003-09-30 devnull for(n = 0; s < es; n++) {
29 b2cfc4e2 2003-09-30 devnull c = *(uchar*)s;
30 b2cfc4e2 2003-09-30 devnull if(c < Runeself){
31 b2cfc4e2 2003-09-30 devnull if(c == '\0')
34 b2cfc4e2 2003-09-30 devnull continue;
36 b2cfc4e2 2003-09-30 devnull if(!fullrune(s, es-s))
38 b2cfc4e2 2003-09-30 devnull s += chartorune(&rune, s);
40 b2cfc4e2 2003-09-30 devnull return n;