[Bug 1874] 'Access Violation' in Mobile-Phone Application using Serial-Port (RS232)

[Wine Bugs]

http://bugs.winehq.com/show_bug.cgi?id=1874





------- Additional Comments From toph at abi2ooo.org  2003-10-12 17:35 -------
I ran the program in winedbg (log attached). The important lines are:
First chance exception: page fault on read access to 0x00000000 in 32-bit code
(0x40227519)
0x40227519 (NTDLL.DLL.ZwWriteFile+0xd9 in NTDLL.DLL): movl      0x0(%edx),%eax

I also checked the interesting differences between the working WineX-version and
the current Wine:

grep WriteFile winex/dlls/ntdll/*
winex/dlls/ntdll/ntdll.spec:@ stub NtWriteFile
winex/dlls/ntdll/ntdll.spec:@ stub ZwWriteFile
winex/dlls/ntdll/ntdll.spec:@ stub NtWriteFileGather

root at z1709 work # grep WriteFile wine-20031118/dlls/ntdll/*
wine-20031118/dlls/ntdll/file.c: *  NtWriteFile                               
[NTDLL.@]
wine-20031118/dlls/ntdll/file.c: *  ZwWriteFile                           [NTDLL.@]
wine-20031118/dlls/ntdll/file.c:NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE
hEvent,
wine-20031118/dlls/ntdll/ntdll.spec:@ stdcall NtWriteFile(long long ptr ptr ptr
ptr long ptr ptr)
wine-20031118/dlls/ntdll/ntdll.spec:@ stdcall ZwWriteFile(long long ptr ptr ptr
ptr long ptr ptr) NtWriteFile
wine-20031118/dlls/ntdll/ntdll.spec:@ stub NtWriteFileGather

Does that mean that ZwWriteFile is not implemented in the current WineX at all
and that's the reason why WineX works and Wine doesn't?

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