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Fixed bug in DeviceIoContol().

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svn path=/trunk/; revision=351
This commit is contained in:
Eric Kohl 1999-03-30 22:05:06 +00:00
parent 9e3fe0593a
commit 74b0d03ccc
1 changed files with 13 additions and 8 deletions
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21
reactos/lib/kernel32/file/deviceio.c
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@ -11,6 +11,10 @@
#include <windows.h>
#include <ddk/ntddk.h>
#define NDEBUG
#include <kernel32/kernel32.h>
WINBOOL
STDCALL
DeviceIoControl(
@ -24,7 +28,6 @@ DeviceIoControl(
LPOVERLAPPED lpOverlapped
)
{
NTSTATUS errCode = 0;
HANDLE hEvent = NULL;
PIO_STATUS_BLOCK IoStatusBlock;
@ -41,7 +44,7 @@ DeviceIoControl(
bFsIoControlCode = TRUE;
else
bFsIoControlCode = FALSE;
CHECKPOINT
if(lpOverlapped != NULL) {
hEvent = lpOverlapped->hEvent;
lpOverlapped->Internal = STATUS_PENDING;
@ -51,13 +54,13 @@ DeviceIoControl(
IoStatusBlock = &IIosb;
}
CHECKPOINT
if(bFsIoControlCode == TRUE) {
errCode = NtFsControlFile(hDevice,hEvent,NULL,NULL,IoStatusBlock,dwIoControlCode,lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize );
} else {
errCode = NtDeviceIoControlFile(hDevice,hEvent,NULL,NULL,IoStatusBlock,dwIoControlCode, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize);
}
CHECKPOINT
if(errCode == STATUS_PENDING ) {
if(NtWaitForSingleObject(hDevice,FALSE,NULL) < 0) {
@ -70,11 +73,13 @@ DeviceIoControl(
SetLastError(RtlNtStatusToDosError(errCode));
return FALSE;
}
*lpBytesReturned = lpOverlapped->InternalHigh;
CHECKPOINT
if (lpOverlapped)
*lpBytesReturned = lpOverlapped->InternalHigh;
else
*lpBytesReturned = IoStatusBlock->Information;
CHECKPOINT
return TRUE;
}