freeswitch/libs/apr/misc/unix/charset.c
Michael Jerris 0488a5109a add apr to in tree libs
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
2006-12-19 19:58:23 +00:00

84 lines
2.3 KiB
C

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