1 /* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "apr.h" 18 #include "apr_private.h" 19 #include "apr_strings.h" 20 #include "apr_portable.h" 21 22 #ifdef HAVE_LANGINFO_H 23 #include <langinfo.h> 24 #endif 25 26 /* 27 * simple heuristic to determine codepage of source code so that 28 * literal strings (e.g., "GET /\r\n") in source code can be translated 29 * properly 30 * 31 * If appropriate, a symbol can be set at configure time to determine 32 * this. On EBCDIC platforms, it will be important how the code was 33 * unpacked. 34 */ 35 apr_os_default_encoding(apr_pool_t * pool)36APR_DECLARE(const char*) apr_os_default_encoding (apr_pool_t *pool) 37 { 38 #ifdef __MVS__ 39 # ifdef __CODESET__ 40 return __CODESET__; 41 # else 42 return "IBM-1047"; 43 # endif 44 #endif 45 46 if ('}' == 0xD0) { 47 return "IBM-1047"; 48 } 49 50 if ('{' == 0xFB) { 51 return "EDF04"; 52 } 53 54 if ('A' == 0xC1) { 55 return "EBCDIC"; /* not useful */ 56 } 57 58 if ('A' == 0x41) { 59 return "ISO-8859-1"; /* not necessarily true */ 60 } 61 62 return "unknown"; 63 } 64 65 apr_os_locale_encoding(apr_pool_t * pool)66APR_DECLARE(const char*) apr_os_locale_encoding (apr_pool_t *pool) 67 { 68 #if defined(HAVE_NL_LANGINFO) && defined(CODESET) 69 const char *charset; 70 71 charset = nl_langinfo(CODESET); 72 if (charset && *charset) { 73 #ifdef _OSD_POSIX /* Bug workaround - delete as soon as fixed in OSD_POSIX */ 74 /* Some versions of OSD_POSIX return nl_langinfo(CODESET)="^[nN]" */ 75 /* Ignore the bogus information and use apr_os_default_encoding() */ 76 if (charset[0] != '^') 77 #endif 78 return apr_pstrdup(pool, charset); 79 } 80 #endif 81 82 return apr_os_default_encoding(pool); 83 } 84