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 #define UNICODE
25
26 #ifdef _MSC_VER
27 #pragma warning(push,1) // disable warnings within system headers
28 #endif
29 #include <windows.h>
30 #ifdef _MSC_VER
31 #pragma warning(pop)
32 #endif
33
34 #include <string.h>
35 #include <malloc.h>
36 #include <stdio.h>
37 #include "strsafe.h"
38
39 #include <seterror.hxx>
40
41 //----------------------------------------------------------
42 #ifdef DEBUG
OutputDebugStringFormat(LPCTSTR pFormat,...)43 inline void OutputDebugStringFormat( LPCTSTR pFormat, ... )
44 {
45 TCHAR buffer[1024];
46 va_list args;
47
48 va_start( args, pFormat );
49 StringCchVPrintf( buffer, sizeof(buffer), pFormat, args );
50 OutputDebugString( buffer );
51 }
52 #else
OutputDebugStringFormat(LPCTSTR,...)53 static inline void OutputDebugStringFormat( LPCTSTR, ... )
54 {
55 }
56 #endif
57
58 //----------------------------------------------------------
SetMsiErrorCode(int nErrorCode)59 void SetMsiErrorCode( int nErrorCode )
60 {
61 const TCHAR sMemMapName[] = TEXT( "Global\\MsiErrorObject" );
62
63 HANDLE hMapFile;
64 int *pBuf;
65
66 hMapFile = OpenFileMapping(
67 FILE_MAP_ALL_ACCESS, // read/write access
68 FALSE, // do not inherit the name
69 sMemMapName ); // name of mapping object
70
71 if ( hMapFile == NULL ) // can not set error code
72 {
73 OutputDebugStringFormat( TEXT("Could not open map file (%d).\n"), GetLastError() );
74 return;
75 }
76
77 pBuf = (int*) MapViewOfFile( hMapFile, // handle to map object
78 FILE_MAP_ALL_ACCESS, // read/write permission
79 0,
80 0,
81 sizeof( int ) );
82 if ( pBuf )
83 {
84 *pBuf = nErrorCode;
85 UnmapViewOfFile( pBuf );
86 }
87 else
88 OutputDebugStringFormat( TEXT("Could not map view of file (%d).\n"), GetLastError() );
89
90 CloseHandle( hMapFile );
91 }
92
93
94