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ntdll: Make NtWriteFile explicitly check for negative offset and fail.

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Dmitry Timoshkov 2013-09-13 15:45:44 +09:00 committed by Alexandre Julliard
parent 9e50cc540a
commit b314a25320
1 changed files with 5 additions and 0 deletions
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5
dlls/ntdll/file.c
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@ -982,6 +982,11 @@ NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
}
off = st.st_size;
}
else if (offset->QuadPart < 0)
{
status = STATUS_INVALID_PARAMETER;
goto done;
}
/* async I/O doesn't make sense on regular files */
while ((result = pwrite( unix_handle, buffer, length, off )) == -1)