sal/systools/win32/onlineupdate/onlinecheck.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sal.hxx"
  33 #ifdef _MSC_VER
  34 #pragma warning( disable: 4668 )
  35 #endif
  36
  37 #include <sal/types.h>
  38
  39 #define WIN32_LEAN_AND_MEAN
  40 #include <windows.h>
  41 #include <wininet.h>
  42
  43 #ifdef UNICODE
  44 #define _UNICODE
  45 #endif
  46 #include <tchar.h>
  47 #ifdef __MINGW32__
  48 #include <excpt.h>
  49 #endif
  50
  51 #define elementsof(a) (sizeof(a)/sizeof((a)[0]))
  52
  53 // #i71984
  54 extern "C" sal_Bool SAL_CALL hasInternetConnection()
  55 {
  56     DWORD       dwFlags;
  57     TCHAR       szConnectionName[1024];
  58
  59 #ifdef __MINGW32__
  60         jmp_buf jmpbuf;
  61         __SEHandler han;
  62         if (__builtin_setjmp(jmpbuf) == 0)
  63         {
  64         han.Set(jmpbuf, NULL, (__SEHandler::PF)EXCEPTION_EXECUTE_HANDLER);
  65 #else
  66     __try {
  67 #endif
  68     BOOL fIsConnected = InternetGetConnectedStateEx(
  69         &dwFlags,
  70         szConnectionName,
  71         elementsof(szConnectionName),
  72         0 );
  73
  74     return fIsConnected ? sal_True : sal_False;
  75
  76 #ifdef __MINGW32__
  77         }
  78         else return sal_False;
  79         han.Reset();
  80 #else
  81     } __except( EXCEPTION_EXECUTE_HANDLER )     {
  82         return sal_False;
  83     }
  84 #endif
  85 }