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 /*LINTLIBRARY*/ 32 33 #include <sys/types.h> 34 #include "curses_inc.h" 35 36 /* 37 * Get the # of valid characters 38 */ 39 40 int 41 mbcharlen(char *sp) 42 { 43 int n, m, k, ty; 44 chtype c; 45 46 n = 0; 47 for (; *sp != '\0'; ++sp, ++n) 48 if (ISMBIT(*sp)) { 49 c = RBYTE(*sp); 50 ty = TYPE(c & 0377); 51 m = cswidth[ty] - (ty == 0 ? 1 : 0); 52 for (sp += 1, k = 1; *sp != '\0' && k <= m; ++k, 53 ++sp) { 54 c = RBYTE(*sp); 55 if (TYPE(c) != 0) 56 break; 57 } 58 if (k <= m) 59 break; 60 } 61 return (n); 62 } 63