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 AND PERMISSION NOTICE 23 * 24 * Copyright (c) 1991-2005 Unicode, Inc. All rights reserved. Distributed 25 * under the Terms of Use in http://www.unicode.org/copyright.html. 26 * 27 * This file has been modified by Sun Microsystems, Inc. 28 */ 29 /* 30 * Copyright 1999-2004 Sun Microsystems, Inc. All rights reserved. 31 * Use is subject to license terms. 32 */ 33 34 35 #if defined(DEBUG) 36 #include <stdio.h> 37 #endif /* DEBUG */ 38 #include <stdlib.h> 39 #include <errno.h> 40 41 #define JFP_ICONV_STATELESS 42 #include "japanese.h" 43 #include "jfp_iconv_unicode.h" 44 45 void * 46 _icv_open(void) 47 { 48 return (_icv_open_stateless()); 49 } 50 51 void 52 _icv_close(void *cd) 53 { 54 _icv_close_stateless(cd); 55 return; 56 } 57 58 size_t 59 _icv_iconv(void *cd, char **inbuf, size_t *inbytesleft, 60 char **outbuf, size_t *outbytesleft) 61 { 62 size_t rv = (size_t)0; 63 unsigned int ucs4; 64 65 unsigned char *ip; 66 size_t ileft; 67 char *op; 68 size_t oleft; 69 70 /* 71 * If inbuf and/or *inbuf are NULL, reset conversion descriptor 72 * and put escape sequence if needed. 73 */ 74 if ((inbuf == NULL) || (*inbuf == NULL)) { 75 /* nothing to do here for this module */ 76 return ((size_t)0); 77 } 78 79 ip = (unsigned char *)*inbuf; 80 ileft = *inbytesleft; 81 op = *outbuf; 82 oleft = *outbytesleft; 83 84 while (ileft != 0) { 85 if (utf8_ucs(&ucs4, &ip, &ileft) == (size_t)-1) { 86 /* errno has been set in utf8_ucs() */ 87 rv = (size_t)-1; 88 goto ret; 89 } 90 91 if (ucs4 == 0xff5e) /* FULLWIDTH TILDE */ 92 ucs4 = 0x301c; /* WAVE DASH */ 93 else if (ucs4 == 0x2225) /* PARALLEL TO */ 94 ucs4 = 0x2016; /* DOUBLE VERTICAL BAR/LINE */ 95 else if (ucs4 == 0xff0d) /* FULLWIDTH MINUS SIGN */ 96 ucs4 = 0x2212; /* MINUS SIGN */ 97 else if (ucs4 == 0xffe0) /* FULLWIDTH CENT SIGN */ 98 ucs4 = 0x00a2; /* CENT SIGN */ 99 else if (ucs4 == 0xffe1) /* FULLWIDTH POUND SIGN */ 100 ucs4 = 0x00a3; /* POUND SIGN */ 101 else if (ucs4 == 0xffe2) /* FULLWIDTH NOT SIGN */ 102 ucs4 = 0x00ac; /* NOT SIGN */ 103 104 PUTUCS2((unsigned short)ucs4, "E2BIG"); 105 106 /* 107 * One character successfully converted so update 108 * values outside of this function's stack. 109 */ 110 *inbuf = (char *)ip; 111 *inbytesleft = ileft; 112 *outbuf = op; 113 *outbytesleft = oleft; 114 } 115 116 ret: 117 118 #if defined(DEBUG) 119 if (rv == (size_t)-1) { 120 fprintf(stderr, "DEBUG: errno=%d: %s\n", errno, debugmsg); 121 } 122 #endif /* DEBUG */ 123 124 /* 125 * Return value for successful return is not defined by XPG 126 * so return same as *inbytesleft as existing codes do. 127 */ 128 return ((rv == (size_t)-1) ? rv : *inbytesleft); 129 } 130