[MSAFD]
authorJohannes Anderwald <johannes.anderwald@reactos.org>
Thu, 10 Mar 2011 12:41:50 +0000 (12:41 +0000)
committerJohannes Anderwald <johannes.anderwald@reactos.org>
Thu, 10 Mar 2011 12:41:50 +0000 (12:41 +0000)
- Correct calculating PollBufferSize
- Found by DPH

svn path=/trunk/; revision=51007

reactos/dll/win32/msafd/misc/dllmain.c

index 5714213..ca12941 100644 (file)
@@ -907,7 +907,7 @@ WSPSelect(IN int nfds,
     }
 
     PollInfo->HandleCount = j;
     }
 
     PollInfo->HandleCount = j;
-    PollBufferSize = ((PCHAR)&PollInfo->Handles[j+1]) - ((PCHAR)PollInfo);
+       PollBufferSize = sizeof(AFD_POLL_INFO) + (PollInfo->HandleCount > 1 ? sizeof(HANDLE) * ( PollInfo->HandleCount - 1) : 0);
 
     /* Send IOCTL */
     Status = NtDeviceIoControlFile((HANDLE)PollInfo->Handles[0].Handle,
 
     /* Send IOCTL */
     Status = NtDeviceIoControlFile((HANDLE)PollInfo->Handles[0].Handle,