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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "lint.h" 30 #include <euc.h> 31 #include <ctype.h> 32 33 /* 34 * euccol(s) returns the screen column width of the EUC char. 35 */ 36 int 37 euccol(const unsigned char *s) 38 { 39 40 if (ISASCII(*s)) 41 return (1); 42 else 43 switch (*s) { 44 case SS2: 45 return (scrw2); 46 case SS3: 47 return (scrw3); 48 default: /* code set 1 */ 49 return (scrw1); 50 } 51 } 52 53 /* 54 * euclen(s,n) returns the code width of the EUC char. 55 * May also be implemented as a macro. 56 */ 57 int 58 euclen(const unsigned char *s) 59 { 60 61 if (ISASCII(*s)) 62 return (1); 63 else 64 switch (*s) { 65 case SS2: 66 return (eucw2 + 1); /* include SS2 */ 67 case SS3: 68 return (eucw3 + 1); /* include SS3 */ 69 default: /* code set 1 */ 70 return (eucw1); 71 } 72 } 73 74 /* this function will return the number of display column for a */ 75 /* given euc string. */ 76 int 77 eucscol(const unsigned char *s) 78 79 { 80 int col = 0; 81 82 while (*s) { /* end if euc char is a NULL character */ 83 if (ISASCII(*s)) { 84 col += 1; 85 s++; 86 } 87 else 88 switch (*s) { 89 case SS2: 90 col += scrw2; 91 s += (eucw2 +1); 92 break; 93 case SS3: 94 col += scrw3; 95 s += (eucw3 +1); 96 break; 97 default: /* code set 1 */ 98 col += scrw1; 99 s += eucw1; 100 break; 101 } 102 103 } 104 return (col); 105 } 106