17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7257d1b4Sraf * Common Development and Distribution License (the "License"). 6*7257d1b4Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21e8031f0aSraf 227c478bd9Sstevel@tonic-gate /* 23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24e8031f0aSraf * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 27*7257d1b4Sraf /* Copyright (c) 1988 AT&T */ 28*7257d1b4Sraf /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <widec.h> 317c478bd9Sstevel@tonic-gate #include <ctype.h> 327c478bd9Sstevel@tonic-gate #include <sys/types.h> 337c478bd9Sstevel@tonic-gate #include "curses_wchar.h" 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate int _curs_mbtowc(wchar_t * wchar,const char * s,size_t n)367c478bd9Sstevel@tonic-gate_curs_mbtowc(wchar_t *wchar, const char *s, size_t n) 377c478bd9Sstevel@tonic-gate { 387c478bd9Sstevel@tonic-gate int length, c; 397c478bd9Sstevel@tonic-gate wchar_t intcode; 407c478bd9Sstevel@tonic-gate char *olds = (char *)s; 417c478bd9Sstevel@tonic-gate wchar_t mask; 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate if (s == (char *)0) 447c478bd9Sstevel@tonic-gate return (0); 457c478bd9Sstevel@tonic-gate if (n == 0) 467c478bd9Sstevel@tonic-gate return (-1); 477c478bd9Sstevel@tonic-gate c = (unsigned char)*s++; 487c478bd9Sstevel@tonic-gate if (c < 0200) { 497c478bd9Sstevel@tonic-gate if (wchar) 507c478bd9Sstevel@tonic-gate *wchar = c; 517c478bd9Sstevel@tonic-gate return (c ? 1 : 0); 527c478bd9Sstevel@tonic-gate } 537c478bd9Sstevel@tonic-gate intcode = 0; 547c478bd9Sstevel@tonic-gate if (c == SS2) { 557c478bd9Sstevel@tonic-gate if ((length = eucw2) == 0) 567c478bd9Sstevel@tonic-gate goto lab1; 577c478bd9Sstevel@tonic-gate mask = P01; 587c478bd9Sstevel@tonic-gate goto lab2; 597c478bd9Sstevel@tonic-gate } else if (c == SS3) { 607c478bd9Sstevel@tonic-gate if ((length = eucw3) == 0) 617c478bd9Sstevel@tonic-gate goto lab1; 627c478bd9Sstevel@tonic-gate mask = P10; 637c478bd9Sstevel@tonic-gate goto lab2; 647c478bd9Sstevel@tonic-gate } 657c478bd9Sstevel@tonic-gate lab1: 667c478bd9Sstevel@tonic-gate if (iscntrl(c)) { 677c478bd9Sstevel@tonic-gate if (wchar) 687c478bd9Sstevel@tonic-gate *wchar = c; 697c478bd9Sstevel@tonic-gate return (1); 707c478bd9Sstevel@tonic-gate } 717c478bd9Sstevel@tonic-gate length = eucw1 - 1; 727c478bd9Sstevel@tonic-gate mask = P11; 737c478bd9Sstevel@tonic-gate intcode = c & 0177; 747c478bd9Sstevel@tonic-gate lab2: 757c478bd9Sstevel@tonic-gate if (length + 1 > n || length < 0) 767c478bd9Sstevel@tonic-gate return (-1); 777c478bd9Sstevel@tonic-gate while (length--) { 787c478bd9Sstevel@tonic-gate if ((c = (unsigned char)*s++) < 0200 || iscntrl(c)) 797c478bd9Sstevel@tonic-gate return (-1); 807c478bd9Sstevel@tonic-gate intcode = (intcode << 7) | (c & 0x7F); 817c478bd9Sstevel@tonic-gate } 827c478bd9Sstevel@tonic-gate if (wchar) 837c478bd9Sstevel@tonic-gate *wchar = intcode | mask; 847c478bd9Sstevel@tonic-gate /*LINTED*/ 85e8031f0aSraf return ((int)(s - olds)); 867c478bd9Sstevel@tonic-gate } 87