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 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 22*e8031f0aSraf 237c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 247c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 27*e8031f0aSraf * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 28*e8031f0aSraf * Use is subject to license terms. 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/ 347c478bd9Sstevel@tonic-gate 35*e8031f0aSraf #include "c_synonyms.h" 367c478bd9Sstevel@tonic-gate #include <widec.h> 377c478bd9Sstevel@tonic-gate #include <ctype.h> 387c478bd9Sstevel@tonic-gate #include <sys/types.h> 397c478bd9Sstevel@tonic-gate #include "curses_wchar.h" 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate int 427c478bd9Sstevel@tonic-gate _curs_mbtowc(wchar_t *wchar, const char *s, size_t n) 437c478bd9Sstevel@tonic-gate { 447c478bd9Sstevel@tonic-gate int length, c; 457c478bd9Sstevel@tonic-gate wchar_t intcode; 467c478bd9Sstevel@tonic-gate char *olds = (char *)s; 477c478bd9Sstevel@tonic-gate wchar_t mask; 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate if (s == (char *)0) 507c478bd9Sstevel@tonic-gate return (0); 517c478bd9Sstevel@tonic-gate if (n == 0) 527c478bd9Sstevel@tonic-gate return (-1); 537c478bd9Sstevel@tonic-gate c = (unsigned char)*s++; 547c478bd9Sstevel@tonic-gate if (c < 0200) { 557c478bd9Sstevel@tonic-gate if (wchar) 567c478bd9Sstevel@tonic-gate *wchar = c; 577c478bd9Sstevel@tonic-gate return (c ? 1 : 0); 587c478bd9Sstevel@tonic-gate } 597c478bd9Sstevel@tonic-gate intcode = 0; 607c478bd9Sstevel@tonic-gate if (c == SS2) { 617c478bd9Sstevel@tonic-gate if ((length = eucw2) == 0) 627c478bd9Sstevel@tonic-gate goto lab1; 637c478bd9Sstevel@tonic-gate mask = P01; 647c478bd9Sstevel@tonic-gate goto lab2; 657c478bd9Sstevel@tonic-gate } else if (c == SS3) { 667c478bd9Sstevel@tonic-gate if ((length = eucw3) == 0) 677c478bd9Sstevel@tonic-gate goto lab1; 687c478bd9Sstevel@tonic-gate mask = P10; 697c478bd9Sstevel@tonic-gate goto lab2; 707c478bd9Sstevel@tonic-gate } 717c478bd9Sstevel@tonic-gate lab1: 727c478bd9Sstevel@tonic-gate if (iscntrl(c)) { 737c478bd9Sstevel@tonic-gate if (wchar) 747c478bd9Sstevel@tonic-gate *wchar = c; 757c478bd9Sstevel@tonic-gate return (1); 767c478bd9Sstevel@tonic-gate } 777c478bd9Sstevel@tonic-gate length = eucw1 - 1; 787c478bd9Sstevel@tonic-gate mask = P11; 797c478bd9Sstevel@tonic-gate intcode = c & 0177; 807c478bd9Sstevel@tonic-gate lab2: 817c478bd9Sstevel@tonic-gate if (length + 1 > n || length < 0) 827c478bd9Sstevel@tonic-gate return (-1); 837c478bd9Sstevel@tonic-gate while (length--) { 847c478bd9Sstevel@tonic-gate if ((c = (unsigned char)*s++) < 0200 || iscntrl(c)) 857c478bd9Sstevel@tonic-gate return (-1); 867c478bd9Sstevel@tonic-gate intcode = (intcode << 7) | (c & 0x7F); 877c478bd9Sstevel@tonic-gate } 887c478bd9Sstevel@tonic-gate if (wchar) 897c478bd9Sstevel@tonic-gate *wchar = intcode | mask; 907c478bd9Sstevel@tonic-gate /*LINTED*/ 917c478bd9Sstevel@tonic-gate return ((int)(s - olds)); 927c478bd9Sstevel@tonic-gate } 93