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 "curses_inc.h" 34 #include <sys/types.h> 35 #include <ctype.h> 36 37 #define CSWIDTH 514 38 39 short cswidth[4] = {-1, 1, 1, 1}; /* character length */ 40 short _curs_scrwidth[4] = {1, 1, 1, 1}; /* screen width */ 41 42 /* 43 * This function is called only once in a program. 44 * Before cgetwidth() is called, setlocale() must be called. 45 */ 46 47 void 48 mbgetwidth(void) 49 { 50 unsigned char *cp = &__ctype[CSWIDTH]; 51 52 cswidth[0] = cp[0]; 53 cswidth[1] = cp[1]; 54 cswidth[2] = cp[2]; 55 _curs_scrwidth[0] = cp[3]; 56 _curs_scrwidth[1] = cp[4]; 57 _curs_scrwidth[2] = cp[5]; 58 59 } 60 61 int 62 mbeucw(int c) 63 { 64 c &= 0xFF; 65 66 if (c & 0x80) { 67 if (c == SS2) { 68 return (cswidth[1]); 69 } else if (c == SS3) { 70 return (cswidth[2]); 71 } 72 return (cswidth[0]); 73 } 74 return (1); 75 } 76 77 int 78 mbscrw(int c) 79 { 80 c &= 0xFF; 81 82 if (c & 0x80) { 83 if (c == SS2) { 84 return (_curs_scrwidth[1]); 85 } else if (c == SS3) { 86 return (_curs_scrwidth[2]); 87 } 88 return (_curs_scrwidth[0]); 89 } 90 return (1); 91 } 92 93 int 94 wcscrw(wchar_t wc) 95 { 96 int rv; 97 98 switch (wc & EUCMASK) { 99 case P11: /* Code set 1 */ 100 rv = _curs_scrwidth[0]; 101 break; 102 case P01: /* Code set 2 */ 103 rv = _curs_scrwidth[1]; 104 break; 105 case P10: /* Code set 3 */ 106 rv = _curs_scrwidth[2]; 107 break; 108 default : /* Code set 0 */ 109 rv = 1; 110 break; 111 } 112 113 return (rv); 114 } 115