Alexandre Julliard : kernel32: Always clear the I/ O status block count before calling ntdll functions.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: cd33692fa176bfa5e64cd91d229f547949bdb21d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=cd33692fa176bfa5e64cd91d22...

Author: Alexandre Julliard 
Date:   Mon Jul 16 16:20:29 2007 +0200

kernel32: Always clear the I/O status block count before calling ntdll functions.

---

dlls/kernel32/file.c |    2 ++
 dlls/kernel32/sync.c |    3 +++
 dlls/kernel32/vxd.c  |    2 ++
 3 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/dlls/kernel32/file.c b/dlls/kernel32/file.c
index 1472893..90280ad 100644
--- a/dlls/kernel32/file.c
+++ b/dlls/kernel32/file.c
@@ -376,6 +376,7 @@ BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
     offset.u.HighPart = overlapped->u.s.OffsetHigh;
     io_status = (PIO_STATUS_BLOCK)overlapped;
     io_status->u.Status = STATUS_PENDING;
+    io_status->Information = 0;

status = NtReadFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
                         io_status, buffer, bytesToRead, &offset, NULL);
@@ -465,6 +466,7 @@ BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,

io_status = (PIO_STATUS_BLOCK)overlapped;
     io_status->u.Status = STATUS_PENDING;
+    io_status->Information = 0;

status = NtWriteFile(hFile, NULL, FILE_ReadWriteApc, lpCompletionRoutine,
                          io_status, buffer, bytesToWrite, &offset, NULL);
diff --git a/dlls/kernel32/sync.c b/dlls/kernel32/sync.c
index 7b67948..d53ab38 100644
--- a/dlls/kernel32/sync.c
+++ b/dlls/kernel32/sync.c
@@ -1332,7 +1332,10 @@ BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
     TRACE("(%p,%p)\n", hPipe, overlapped);

if(overlapped)
+    {
         overlapped->Internal = STATUS_PENDING;
+        overlapped->InternalHigh = 0;
+    }

status = NtFsControlFile(hPipe, overlapped ? overlapped->hEvent : NULL, NULL, NULL,
                              overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block,
diff --git a/dlls/kernel32/vxd.c b/dlls/kernel32/vxd.c
index 106b086..0a4e771 100644
--- a/dlls/kernel32/vxd.c
+++ b/dlls/kernel32/vxd.c
@@ -351,6 +351,8 @@ BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,

if (lpOverlapped)
     {
+        lpOverlapped->Internal = STATUS_PENDING;
+        lpOverlapped->InternalHigh = 0;
         if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
             status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
                                      NULL, NULL, (PIO_STATUS_BLOCK)lpOverlapped,