/src/httpd/srclib/apr/misc/unix/charset.c
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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 | | |
36 | | APR_DECLARE(const char*) apr_os_default_encoding (apr_pool_t *pool) |
37 | 0 | { |
38 | | #ifdef __MVS__ |
39 | | # ifdef __CODESET__ |
40 | | return __CODESET__; |
41 | | # else |
42 | | return "IBM-1047"; |
43 | | # endif |
44 | | #endif |
45 | |
|
46 | 0 | if ('}' == 0xD0) { |
47 | 0 | return "IBM-1047"; |
48 | 0 | } |
49 | | |
50 | 0 | if ('{' == 0xFB) { |
51 | 0 | return "EDF04"; |
52 | 0 | } |
53 | | |
54 | 0 | if ('A' == 0xC1) { |
55 | 0 | return "EBCDIC"; /* not useful */ |
56 | 0 | } |
57 | | |
58 | 0 | if ('A' == 0x41) { |
59 | 0 | return "ISO-8859-1"; /* not necessarily true */ |
60 | 0 | } |
61 | | |
62 | 0 | return "unknown"; |
63 | 0 | } |
64 | | |
65 | | |
66 | | APR_DECLARE(const char*) apr_os_locale_encoding (apr_pool_t *pool) |
67 | 0 | { |
68 | 0 | #if defined(HAVE_NL_LANGINFO) && defined(CODESET) |
69 | 0 | const char *charset; |
70 | |
|
71 | 0 | charset = nl_langinfo(CODESET); |
72 | 0 | 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 | 0 | return apr_pstrdup(pool, charset); |
79 | 0 | } |
80 | 0 | #endif |
81 | | |
82 | 0 | return apr_os_default_encoding(pool); |
83 | 0 | } |