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 <widec.h> 35 #include <ctype.h> 36 #include "curses_wchar.h" 37 38 int _curs_wctomb(char * s,wchar_t wchar)39_curs_wctomb(char *s, wchar_t wchar) 40 { 41 char *olds = s; 42 int size, index; 43 unsigned char d; 44 if (!s) 45 return (0); 46 if (wchar <= 0177 || (wchar <= 0377 && (iscntrl((int)wchar) != 0))) { 47 /* LINTED */ 48 *s++ = (char)wchar; 49 return (1); 50 } 51 switch (wchar & EUCMASK) { 52 53 case P11: 54 size = eucw1; 55 break; 56 57 case P01: 58 /* LINTED */ 59 *s++ = (char)SS2; 60 size = eucw2; 61 break; 62 63 case P10: 64 /* LINTED */ 65 *s++ = (char)SS3; 66 size = eucw3; 67 break; 68 69 default: 70 return (-1); 71 } 72 if ((index = size) <= 0) 73 return (-1); 74 while (index--) { 75 /* LINTED */ 76 d = wchar | 0200; 77 wchar >>= 7; 78 if (iscntrl(d)) 79 return (-1); 80 s[index] = d; 81 } 82 /* LINTED */ 83 return ((int)(s - olds) + size); 84 } 85