setup_native/source/win32/customactions/tools/seterror.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #define WIN32_LEAN_AND_MEAN
  21 #include <windows.h>
  22
  23 #include <string.h>
  24 #include <malloc.h>
  25 #include <stdio.h>
  26 #include <strsafe.h>
  27
  28 #include "seterror.hxx"
  29
  30
  31 #ifdef DEBUG
  32 inline void OutputDebugStringFormatW( PCWSTR pFormat, ... )
  33 {
  34     WCHAR    buffer[1024];
  35     va_list  args;
  36
  37     va_start( args, pFormat );
  38     StringCchVPrintfW( buffer, sizeof(buffer)/sizeof(buffer[0]), pFormat, args );
  39     OutputDebugStringW( buffer );
  40     va_end(args);
  41 }
  42 #else
  43 static void OutputDebugStringFormatW( PCWSTR, ... )
  44 {
  45 }
  46 #endif
  47
  48
  49 void SetMsiErrorCode( int nErrorCode )
  50 {
  51     const WCHAR sMemMapName[] = L"Global\\MsiErrorObject";
  52
  53     HANDLE hMapFile;
  54     int *pBuf;
  55
  56     hMapFile = OpenFileMappingW(
  57                     FILE_MAP_ALL_ACCESS,    // read/write access
  58                     FALSE,                  // do not inherit the name
  59                     sMemMapName );          // name of mapping object
  60
  61     if ( hMapFile == nullptr )                 // can not set error code
  62     {
  63         OutputDebugStringFormatW( L"Could not open map file (%d).\n", GetLastError() );
  64         return;
  65     }
  66
  67     pBuf = static_cast<int*>(MapViewOfFile( hMapFile,   // handle to map object
  68                         FILE_MAP_ALL_ACCESS, // read/write permission
  69                         0,
  70                         0,
  71                         sizeof( int ) ));
  72     if ( pBuf )
  73     {
  74         *pBuf = nErrorCode;
  75         UnmapViewOfFile( pBuf );
  76     }
  77     else
  78         OutputDebugStringFormatW( L"Could not map view of file (%d).\n", GetLastError() );
  79
  80     CloseHandle( hMapFile );
  81 }
  82
  83
  84 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */