diff options
Diffstat (limited to 'plugins/Db3x_mmap/src/dbcache.cpp')
| -rw-r--r-- | plugins/Db3x_mmap/src/dbcache.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/plugins/Db3x_mmap/src/dbcache.cpp b/plugins/Db3x_mmap/src/dbcache.cpp index 76126f7885..f047af0a1b 100644 --- a/plugins/Db3x_mmap/src/dbcache.cpp +++ b/plugins/Db3x_mmap/src/dbcache.cpp @@ -25,9 +25,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. void CDb3Base::Map()
{
- m_hMap = CreateFileMapping(m_hDbFile, NULL, PAGE_READWRITE, 0, m_dwFileSize, NULL);
+ m_hMap = CreateFileMapping(m_hDbFile, NULL, (m_bReadOnly) ? PAGE_WRITECOPY : PAGE_READWRITE, 0, m_dwFileSize, NULL);
if (m_hMap) {
- m_pDbCache = (PBYTE)MapViewOfFile(m_hMap, FILE_MAP_ALL_ACCESS/*FILE_MAP_WRITE*/, 0, 0 ,0);
+ m_pDbCache = (PBYTE)MapViewOfFile(m_hMap, (m_bReadOnly) ? FILE_MAP_COPY : FILE_MAP_ALL_ACCESS, 0, 0, 0);
if (!m_pDbCache)
DatabaseCorruption( _T("%s (MapViewOfFile failed. Code: %d)"));
}
@@ -156,9 +156,11 @@ int CDb3Base::InitCache(void) m_dwFileSize = GetFileSize(m_hDbFile, NULL);
// Align to chunk
- DWORD x = m_dwFileSize % m_ChunkSize;
- if (x)
- m_dwFileSize += m_ChunkSize - x;
+ if (!m_bReadOnly) {
+ DWORD x = m_dwFileSize % m_ChunkSize;
+ if (x)
+ m_dwFileSize += m_ChunkSize - x;
+ }
Map();
|