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kernelbase: Simplify CreateFileW. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-12-01 17:25:49 +01:00 committed by Alexandre Julliard
parent 141e53bacc
commit 60f11d2929
1 changed files with 6 additions and 18 deletions
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24
dlls/kernelbase/file.c
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@ -738,7 +738,6 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileW( LPCWSTR filename, DWORD access, DWO
UNICODE_STRING nameW;
IO_STATUS_BLOCK io;
HANDLE ret;
DWORD dosdev;
const WCHAR *vxd_name = NULL;
SECURITY_QUALITY_OF_SERVICE qos;
@ -770,25 +769,14 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileW( LPCWSTR filename, DWORD access, DWO
(sharing & FILE_SHARE_DELETE) ? "FILE_SHARE_DELETE " : "",
creation, attributes);
if (!wcsncmp( filename, L"\\\\.\\", 4 ))
if ((GetVersion() & 0x80000000) && !wcsncmp( filename, L"\\\\.\\", 4 ) &&
!RtlIsDosDeviceName_U( filename + 4 ) &&
wcsnicmp( filename + 4, L"PIPE\\", 5 ) &&
wcsnicmp( filename + 4, L"MAILSLOT\\", 9 ))
{
if ((filename[4] && filename[5] == ':' && !filename[6]) ||
!wcsnicmp( filename + 4, L"PIPE\\", 5 ) ||
!wcsnicmp( filename + 4, L"MAILSLOT\\", 9 ))
{
dosdev = 0;
}
else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
{
dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
}
else if (GetVersion() & 0x80000000)
{
vxd_name = filename + 4;
if (!creation) creation = OPEN_EXISTING;
}
vxd_name = filename + 4;
if (!creation) creation = OPEN_EXISTING;
}
else dosdev = RtlIsDosDeviceName_U( filename );
if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
{