1*40ef9009SDavid du Colombier /* 2*40ef9009SDavid du Colombier * The authors of this software are Rob Pike and Ken Thompson. 3*40ef9009SDavid du Colombier * Copyright (c) 2002 by Lucent Technologies. 4*40ef9009SDavid du Colombier * Permission to use, copy, modify, and distribute this software for any 5*40ef9009SDavid du Colombier * purpose without fee is hereby granted, provided that this entire notice 6*40ef9009SDavid du Colombier * is included in all copies of any software which is or includes a copy 7*40ef9009SDavid du Colombier * or modification of this software and in all copies of the supporting 8*40ef9009SDavid du Colombier * documentation for such software. 9*40ef9009SDavid du Colombier * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 10*40ef9009SDavid du Colombier * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY 11*40ef9009SDavid du Colombier * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY 12*40ef9009SDavid du Colombier * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 13*40ef9009SDavid du Colombier */ 14*40ef9009SDavid du Colombier #include <stdarg.h> 15*40ef9009SDavid du Colombier #include <string.h> 16*40ef9009SDavid du Colombier #include "utf.h" 17*40ef9009SDavid du Colombier #include "utfdef.h" 18*40ef9009SDavid du Colombier 19*40ef9009SDavid du Colombier int utflen(char * s)20*40ef9009SDavid du Colombierutflen(char *s) 21*40ef9009SDavid du Colombier { 22*40ef9009SDavid du Colombier int c; 23*40ef9009SDavid du Colombier long n; 24*40ef9009SDavid du Colombier Rune rune; 25*40ef9009SDavid du Colombier 26*40ef9009SDavid du Colombier n = 0; 27*40ef9009SDavid du Colombier for(;;) { 28*40ef9009SDavid du Colombier c = *(uchar*)s; 29*40ef9009SDavid du Colombier if(c < Runeself) { 30*40ef9009SDavid du Colombier if(c == 0) 31*40ef9009SDavid du Colombier return n; 32*40ef9009SDavid du Colombier s++; 33*40ef9009SDavid du Colombier } else 34*40ef9009SDavid du Colombier s += chartorune(&rune, s); 35*40ef9009SDavid du Colombier n++; 36*40ef9009SDavid du Colombier } 37*40ef9009SDavid du Colombier } 38