10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*6812Sraf * Common Development and Distribution License (the "License"). 6*6812Sraf * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 211219Sraf 22*6812Sraf /* 23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24*6812Sraf * Use is subject to license terms. 25*6812Sraf */ 26*6812Sraf 270Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 280Sstevel@tonic-gate /* All Rights Reserved */ 290Sstevel@tonic-gate 300Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 310Sstevel@tonic-gate 320Sstevel@tonic-gate #include <widec.h> 330Sstevel@tonic-gate #include <ctype.h> 340Sstevel@tonic-gate #include <sys/types.h> 350Sstevel@tonic-gate #include "curses_wchar.h" 360Sstevel@tonic-gate 370Sstevel@tonic-gate int _curs_mbtowc(wchar_t * wchar,const char * s,size_t n)380Sstevel@tonic-gate_curs_mbtowc(wchar_t *wchar, const char *s, size_t n) 390Sstevel@tonic-gate { 400Sstevel@tonic-gate int length, c; 410Sstevel@tonic-gate wchar_t intcode; 420Sstevel@tonic-gate char *olds = (char *)s; 430Sstevel@tonic-gate wchar_t mask; 440Sstevel@tonic-gate 450Sstevel@tonic-gate if (s == (char *)0) 460Sstevel@tonic-gate return (0); 470Sstevel@tonic-gate if (n == 0) 480Sstevel@tonic-gate return (-1); 490Sstevel@tonic-gate c = (unsigned char)*s++; 500Sstevel@tonic-gate if (c < 0200) { 510Sstevel@tonic-gate if (wchar) 520Sstevel@tonic-gate *wchar = c; 530Sstevel@tonic-gate return (c ? 1 : 0); 540Sstevel@tonic-gate } 550Sstevel@tonic-gate intcode = 0; 560Sstevel@tonic-gate if (c == SS2) { 570Sstevel@tonic-gate if ((length = eucw2) == 0) 580Sstevel@tonic-gate goto lab1; 590Sstevel@tonic-gate mask = P01; 600Sstevel@tonic-gate goto lab2; 610Sstevel@tonic-gate } else if (c == SS3) { 620Sstevel@tonic-gate if ((length = eucw3) == 0) 630Sstevel@tonic-gate goto lab1; 640Sstevel@tonic-gate mask = P10; 650Sstevel@tonic-gate goto lab2; 660Sstevel@tonic-gate } 670Sstevel@tonic-gate lab1: 680Sstevel@tonic-gate if (iscntrl(c)) { 690Sstevel@tonic-gate if (wchar) 700Sstevel@tonic-gate *wchar = c; 710Sstevel@tonic-gate return (1); 720Sstevel@tonic-gate } 730Sstevel@tonic-gate length = eucw1 - 1; 740Sstevel@tonic-gate mask = P11; 750Sstevel@tonic-gate intcode = c & 0177; 760Sstevel@tonic-gate lab2: 770Sstevel@tonic-gate if (length + 1 > n || length < 0) 780Sstevel@tonic-gate return (-1); 790Sstevel@tonic-gate while (length--) { 800Sstevel@tonic-gate if ((c = (unsigned char)*s++) < 0200 || iscntrl(c)) 810Sstevel@tonic-gate return (-1); 820Sstevel@tonic-gate intcode = (intcode << 7) | (c & 0x7F); 830Sstevel@tonic-gate } 840Sstevel@tonic-gate if (wchar) 850Sstevel@tonic-gate *wchar = intcode | mask; 860Sstevel@tonic-gate /*LINTED*/ 871219Sraf return ((int)(s - olds)); 880Sstevel@tonic-gate } 89