1*e72f3952SAlexander Dorokhine /* 2*e72f3952SAlexander Dorokhine * The authors of this software are Rob Pike and Ken Thompson. 3*e72f3952SAlexander Dorokhine * Copyright (c) 2002 by Lucent Technologies. 4*e72f3952SAlexander Dorokhine * Permission to use, copy, modify, and distribute this software for any 5*e72f3952SAlexander Dorokhine * purpose without fee is hereby granted, provided that this entire notice 6*e72f3952SAlexander Dorokhine * is included in all copies of any software which is or includes a copy 7*e72f3952SAlexander Dorokhine * or modification of this software and in all copies of the supporting 8*e72f3952SAlexander Dorokhine * documentation for such software. 9*e72f3952SAlexander Dorokhine * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 10*e72f3952SAlexander Dorokhine * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY 11*e72f3952SAlexander Dorokhine * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY 12*e72f3952SAlexander Dorokhine * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 13*e72f3952SAlexander Dorokhine */ 14*e72f3952SAlexander Dorokhine #include <stdarg.h> 15*e72f3952SAlexander Dorokhine #include <string.h> 16*e72f3952SAlexander Dorokhine #include "utf.h" 17*e72f3952SAlexander Dorokhine #include "utfdef.h" 18*e72f3952SAlexander Dorokhine 19*e72f3952SAlexander Dorokhine int utflen(const char * s)20*e72f3952SAlexander Dorokhineutflen(const char *s) 21*e72f3952SAlexander Dorokhine { 22*e72f3952SAlexander Dorokhine int c; 23*e72f3952SAlexander Dorokhine long n; 24*e72f3952SAlexander Dorokhine Rune rune; 25*e72f3952SAlexander Dorokhine 26*e72f3952SAlexander Dorokhine n = 0; 27*e72f3952SAlexander Dorokhine for(;;) { 28*e72f3952SAlexander Dorokhine c = *(uchar*)s; 29*e72f3952SAlexander Dorokhine if(c < Runeself) { 30*e72f3952SAlexander Dorokhine if(c == 0) 31*e72f3952SAlexander Dorokhine return n; 32*e72f3952SAlexander Dorokhine s++; 33*e72f3952SAlexander Dorokhine } else 34*e72f3952SAlexander Dorokhine s += chartorune(&rune, s); 35*e72f3952SAlexander Dorokhine n++; 36*e72f3952SAlexander Dorokhine } 37*e72f3952SAlexander Dorokhine return 0; 38*e72f3952SAlexander Dorokhine } 39