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 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 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 * Copyright (c) 1996 by Sun Microsystems, Inc. 23 */ 24 25 26 #include <errno.h> 27 #include <stdlib.h> 28 #include "common_thai.h" 29 #include "common_utf.h" 30 #include "common_euc.h" 31 #include "utf_euc_table.h" 32 33 static int node_compare(const void *node1, const void *node2) 34 { 35 return((int)(((const hcode_table *)node1)->utf8.code) - 36 (int)(((const hcode_table *)node2)->utf8.code)); 37 } 38 39 40 /**** _ U T F 8 _ T O _ W A N S U N G ****/ 41 42 hcode_type _utf8_to_eucTH(hcode_type utfcode) 43 { 44 hcode_table *node_ptr, node; 45 hcode_type eucTH; 46 int udc_index; 47 48 /* User Definable Area Check */ 49 if ((udc_index = _utf_to_udcidx(utfcode)) != IDX_UDC_ERROR) { 50 if (udc_index < EUC_UDC_SEG_GAP) { 51 eucTH.byte.byte3 = EUC_UDC_SEG1; 52 eucTH.byte.byte4 = (unsigned int)(udc_index + 53 EUC_UDC_OFFSET_START); 54 } else { 55 eucTH.byte.byte3 = EUC_UDC_SEG2; 56 eucTH.byte.byte4 = EUC_UDC_OFFSET_START + 57 (unsigned int)(udc_index - EUC_UDC_SEG_GAP); 58 } 59 60 return(eucTH); 61 } 62 63 node.utf8 = utfcode; 64 65 node_ptr = bsearch( &node, 66 utf2euc_tbl, sizeof(utf2euc_tbl)/sizeof(hcode_table), 67 sizeof(hcode_table), node_compare); 68 69 eucTH.code = 0; /* initial & default set to fail value */ 70 71 if (node_ptr != NULL) 72 eucTH.word.low = node_ptr->code; /* Success */ 73 74 return(eucTH); 75 76 77 } /* end of hcode_type _utf8_to_eucTH(hcode_type utfcode) */ 78