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 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