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

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  28
  29 #define UNICODE
  30
  31 #ifdef _MSC_VER
  32 #pragma warning(push,1) // disable warnings within system headers
  33 #endif
  34 #include <windows.h>
  35 #ifdef _MSC_VER
  36 #pragma warning(pop)
  37 #endif
  38
  39 #include <string.h>
  40 #include <malloc.h>
  41 #include <stdio.h>
  42 #include "strsafe.h"
  43
  44 #include <seterror.hxx>
  45
  46 //----------------------------------------------------------
  47 #ifdef DEBUG
  48 inline void OutputDebugStringFormat( LPCTSTR pFormat, ... )
  49 {
  50     TCHAR    buffer[1024];
  51     va_list  args;
  52
  53     va_start( args, pFormat );
  54     StringCchVPrintf( buffer, sizeof(buffer), pFormat, args );
  55     OutputDebugString( buffer );
  56 }
  57 #else
  58 static inline void OutputDebugStringFormat( LPCTSTR, ... )
  59 {
  60 }
  61 #endif
  62
  63 //----------------------------------------------------------
  64 void SetMsiErrorCode( int nErrorCode )
  65 {
  66     const TCHAR sMemMapName[] = TEXT( "Global\\MsiErrorObject" );
  67
  68     HANDLE hMapFile;
  69     int *pBuf;
  70
  71     hMapFile = OpenFileMapping(
  72                     FILE_MAP_ALL_ACCESS,    // read/write access
  73                     FALSE,                  // do not inherit the name
  74                     sMemMapName );          // name of mapping object
  75
  76     if ( hMapFile == NULL )                 // can not set error code
  77     {
  78         OutputDebugStringFormat( TEXT("Could not open map file (%d).\n"), GetLastError() );
  79         return;
  80     }
  81
  82     pBuf = (int*) MapViewOfFile( hMapFile,   // handle to map object
  83                         FILE_MAP_ALL_ACCESS, // read/write permission
  84                         0,
  85                         0,
  86                         sizeof( int ) );
  87     if ( pBuf )
  88     {
  89         *pBuf = nErrorCode;
  90         UnmapViewOfFile( pBuf );
  91     }
  92     else
  93         OutputDebugStringFormat( TEXT("Could not map view of file (%d).\n"), GetLastError() );
  94
  95     CloseHandle( hMapFile );
  96 }
  97
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */