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 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include <widec.h> 37 #include <ctype.h> 38 #include "curses_wchar.h" 39 40 int 41 _curs_wctomb(char *s, wchar_t wchar) 42 { 43 char *olds = s; 44 int size, index; 45 unsigned char d; 46 if (!s) 47 return (0); 48 if (wchar <= 0177 || (wchar <= 0377 && (iscntrl((int)wchar) != 0))) { 49 /* LINTED */ 50 *s++ = (char)wchar; 51 return (1); 52 } 53 switch (wchar & EUCMASK) { 54 55 case P11: 56 size = eucw1; 57 break; 58 59 case P01: 60 /* LINTED */ 61 *s++ = (char)SS2; 62 size = eucw2; 63 break; 64 65 case P10: 66 /* LINTED */ 67 *s++ = (char)SS3; 68 size = eucw3; 69 break; 70 71 default: 72 return (-1); 73 } 74 if ((index = size) <= 0) 75 return (-1); 76 while (index--) { 77 /* LINTED */ 78 d = wchar | 0200; 79 wchar >>= 7; 80 if (iscntrl(d)) 81 return (-1); 82 s[index] = d; 83 } 84 /* LINTED */ 85 return ((int)(s - olds) + size); 86 } 87