1#ifndef lint 2static char *rcsid = "$Id: localencoding.c,v 1.1 2003/06/04 00:25:53 marka Exp $"; 3#endif 4 5/* 6 * Copyright (c) 2000 Japan Network Information Center. All rights reserved. 7 * 8 * By using this file, you agree to the terms and conditions set forth bellow. 9 * 10 * LICENSE TERMS AND CONDITIONS 11 * 12 * The following License Terms and Conditions apply, unless a different 13 * license is obtained from Japan Network Information Center ("JPNIC"), 14 * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda, 15 * Chiyoda-ku, Tokyo 101-0047, Japan. 16 * 17 * 1. Use, Modification and Redistribution (including distribution of any 18 * modified or derived work) in source and/or binary forms is permitted 19 * under this License Terms and Conditions. 20 * 21 * 2. Redistribution of source code must retain the copyright notices as they 22 * appear in each source code file, this License Terms and Conditions. 23 * 24 * 3. Redistribution in binary form must reproduce the Copyright Notice, 25 * this License Terms and Conditions, in the documentation and/or other 26 * materials provided with the distribution. For the purposes of binary 27 * distribution the "Copyright Notice" refers to the following language: 28 * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved." 29 * 30 * 4. The name of JPNIC may not be used to endorse or promote products 31 * derived from this Software without specific prior written approval of 32 * JPNIC. 33 * 34 * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC 35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 36 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 37 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE 38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 39 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 40 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 41 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 42 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 43 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 44 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 45 */ 46 47#include <config.h> 48 49#ifdef WIN32 50#include <windows.h> 51#endif 52#include <stddef.h> 53#include <stdlib.h> 54#include <stdio.h> 55#include <string.h> 56 57#ifdef HAVE_LOCALE_H 58#include <locale.h> 59#endif 60#ifdef HAVE_LANGINFO_H 61#include <langinfo.h> 62#endif 63 64#include <idn/logmacro.h> 65#include <idn/localencoding.h> 66#include <idn/debug.h> 67 68#ifdef ENABLE_MDNKIT_COMPAT 69#include <mdn/localencoding.h> 70#endif 71 72const char * 73idn_localencoding_name(void) { 74 char *name; 75 76 TRACE(("idn_localencoding_name()\n")); 77 78 if ((name = getenv(IDN_LOCALCS_ENV)) != NULL) { 79 TRACE(("local encoding=\"%-.30s\"\n", 80 name == NULL ? "<null>" : name)); 81 return (name); 82 } 83#ifdef ENABLE_MDNKIT_COMPAT 84 if ((name = getenv(MDN_LOCALCS_ENV)) != NULL) { 85 TRACE(("local encoding=\"%-.30s\"\n", 86 name == NULL ? "<null>" : name)); 87 return (name); 88 } 89#endif 90 91#ifdef WIN32 92 { 93 static char cp_str[40]; /* enough */ 94 (void)sprintf(cp_str, "CP%u", GetACP()); 95 TRACE(("local encoding(codepage)=\"%-.30s\"\n", cp_str)); 96 return (cp_str); 97 } 98#else /* WIN32 */ 99#ifdef HAVE_LIBCHARSET 100 name = locale_charset(); 101 TRACE(("local encoding=\"%-.30s\"\n", 102 name == NULL ? "<null>" : name)); 103 return (name); 104#endif 105 106#if defined(HAVE_NL_LANGINFO) && defined(CODESET) 107 if ((name = nl_langinfo(CODESET)) != NULL) { 108 TRACE(("local encoding=\"%-.30s\"\n", 109 name == NULL ? "<null>" : name)); 110 return (name); 111 } 112#endif 113 (void)( 114#ifdef HAVE_SETLOCALE 115 (name = setlocale(LC_CTYPE, NULL)) || 116#endif 117 (name = getenv("LC_ALL")) || 118 (name = getenv("LC_CTYPE")) || 119 (name = getenv("LANG"))); 120 TRACE(("local encoding=\"%-.30s\"\n", name == NULL ? "<null>" : name)); 121 return (name); 122#endif /* WIN32 */ 123} 124