void MMapTest() { // write { LVStreamRef stream = LVMapFileStream( "c:\\cr3\\mapfile.dat", LVOM_APPEND, 1000000 ); LVStreamBufferRef buf = stream->GetWriteBuffer( 0, stream->GetSize() ); lUInt32 * p = (lUInt32*)buf->getReadWrite(); for ( lUInt32 i=0; i<1000000/4; i++ ) { p[i] = i; } } // read { LVStreamRef stream = LVMapFileStream( "c:\\cr3\\mapfile.dat", LVOM_READ, 1000000 ); LVStreamBufferRef buf = stream->GetReadBuffer( 0, stream->GetSize() ); const lUInt32 * p = (const lUInt32*)buf->getReadOnly(); for ( lUInt32 i=0; i<1000000/4; i++ ) { if ( p[i]!=i ) { CRLog::error("MMapTest failed!!!"); break; } } } }