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 "curses_inc.h" 36 #include <sys/types.h> 37 #include <ctype.h> 38 39 #define CSWIDTH 514 40 41 short cswidth[4] = {-1, 1, 1, 1}; /* character length */ 42 short _curs_scrwidth[4] = {1, 1, 1, 1}; /* screen width */ 43 44 /* 45 * This function is called only once in a program. 46 * Before cgetwidth() is called, setlocale() must be called. 47 */ 48 49 void 50 mbgetwidth(void) 51 { 52 unsigned char *cp = &__ctype[CSWIDTH]; 53 54 cswidth[0] = cp[0]; 55 cswidth[1] = cp[1]; 56 cswidth[2] = cp[2]; 57 _curs_scrwidth[0] = cp[3]; 58 _curs_scrwidth[1] = cp[4]; 59 _curs_scrwidth[2] = cp[5]; 60 61 } 62 63 int 64 mbeucw(int c) 65 { 66 c &= 0xFF; 67 68 if (c & 0x80) { 69 if (c == SS2) { 70 return (cswidth[1]); 71 } else if (c == SS3) { 72 return (cswidth[2]); 73 } 74 return (cswidth[0]); 75 } 76 return (1); 77 } 78 79 int 80 mbscrw(int c) 81 { 82 c &= 0xFF; 83 84 if (c & 0x80) { 85 if (c == SS2) { 86 return (_curs_scrwidth[1]); 87 } else if (c == SS3) { 88 return (_curs_scrwidth[2]); 89 } 90 return (_curs_scrwidth[0]); 91 } 92 return (1); 93 } 94 95 int 96 wcscrw(wchar_t wc) 97 { 98 int rv; 99 100 switch (wc & EUCMASK) { 101 case P11: /* Code set 1 */ 102 rv = _curs_scrwidth[0]; 103 break; 104 case P01: /* Code set 2 */ 105 rv = _curs_scrwidth[1]; 106 break; 107 case P10: /* Code set 3 */ 108 rv = _curs_scrwidth[2]; 109 break; 110 default : /* Code set 0 */ 111 rv = 1; 112 break; 113 } 114 115 return (rv); 116 } 117