1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1997, by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include "curses_inc.h" 37 38 /* 39 * Get the # of valid characters 40 */ 41 42 int 43 mbcharlen(char *sp) 44 { 45 int n, m, k, ty; 46 chtype c; 47 48 n = 0; 49 for (; *sp != '\0'; ++sp, ++n) 50 if (ISMBIT(*sp)) { 51 c = RBYTE(*sp); 52 ty = TYPE(c & 0377); 53 m = cswidth[ty] - (ty == 0 ? 1 : 0); 54 for (sp += 1, k = 1; *sp != '\0' && k <= m; ++k, 55 ++sp) { 56 c = RBYTE(*sp); 57 if (TYPE(c) != 0) 58 break; 59 } 60 if (k <= m) 61 break; 62 } 63 return (n); 64 } 65