1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sal.hxx"
26 #ifdef _MSC_VER
27 #pragma warning( disable: 4668 )
28 #endif
29
30 #include <sal/types.h>
31
32 #define WIN32_LEAN_AND_MEAN
33 #include <windows.h>
34 #include <wininet.h>
35
36 #ifdef UNICODE
37 #define _UNICODE
38 #endif
39 #include <tchar.h>
40 #ifdef __MINGW32__
41 #include <excpt.h>
42 #endif
43
44 #define elementsof(a) (sizeof(a)/sizeof((a)[0]))
45
46 // #i71984
hasInternetConnection()47 extern "C" sal_Bool SAL_CALL hasInternetConnection()
48 {
49 DWORD dwFlags;
50 TCHAR szConnectionName[1024];
51
52 #ifdef __MINGW32__
53 jmp_buf jmpbuf;
54 __SEHandler han;
55 if (__builtin_setjmp(jmpbuf) == 0)
56 {
57 han.Set(jmpbuf, NULL, (__SEHandler::PF)EXCEPTION_EXECUTE_HANDLER);
58 #else
59 __try {
60 #endif
61 BOOL fIsConnected = InternetGetConnectedStateEx(
62 &dwFlags,
63 szConnectionName,
64 elementsof(szConnectionName),
65 0 );
66
67 return fIsConnected ? sal_True : sal_False;
68
69 #ifdef __MINGW32__
70 }
71 else return sal_False;
72 han.Reset();
73 #else
74 } __except( EXCEPTION_EXECUTE_HANDLER ) {
75 return sal_False;
76 }
77 #endif
78 }
79