Coverage Report

Created: 2023-03-26 06:28

/src/httpd/srclib/apr/misc/unix/charset.c
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/* Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements.  See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License.  You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#include "apr.h"
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#include "apr_private.h"
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#include "apr_strings.h"
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#include "apr_portable.h"
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#ifdef HAVE_LANGINFO_H
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#include <langinfo.h>
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#endif
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/*
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 * simple heuristic to determine codepage of source code so that
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 * literal strings (e.g., "GET /\r\n") in source code can be translated
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 * properly
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 *
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 * If appropriate, a symbol can be set at configure time to determine
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 * this.  On EBCDIC platforms, it will be important how the code was
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 * unpacked.
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 */
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APR_DECLARE(const char*) apr_os_default_encoding (apr_pool_t *pool)
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{
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#ifdef __MVS__
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#    ifdef __CODESET__
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        return __CODESET__;
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#    else
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        return "IBM-1047";
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#    endif
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#endif
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    if ('}' == 0xD0) {
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        return "IBM-1047";
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    }
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    if ('{' == 0xFB) {
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        return "EDF04";
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    }
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    if ('A' == 0xC1) {
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        return "EBCDIC"; /* not useful */
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    }
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    if ('A' == 0x41) {
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        return "ISO-8859-1"; /* not necessarily true */
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    }
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    return "unknown";
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}
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APR_DECLARE(const char*) apr_os_locale_encoding (apr_pool_t *pool)
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{
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#if defined(HAVE_NL_LANGINFO) && defined(CODESET)
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    const char *charset;
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    charset = nl_langinfo(CODESET);
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    if (charset && *charset) {
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#ifdef _OSD_POSIX /* Bug workaround - delete as soon as fixed in OSD_POSIX */
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        /* Some versions of OSD_POSIX return nl_langinfo(CODESET)="^[nN]" */
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        /* Ignore the bogus information and use apr_os_default_encoding() */
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        if (charset[0] != '^')
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#endif
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        return apr_pstrdup(pool, charset);
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    }
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#endif
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    return apr_os_default_encoding(pool);
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}