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54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/**
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* @file dll/ntstatus.c
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*
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* @copyright 2015-2016 Bill Zissimopoulos
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*/
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/*
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* This file is part of WinFsp.
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*
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* You can redistribute it and/or modify it under the terms of the
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* GNU Affero General Public License version 3 as published by the
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* Free Software Foundation.
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*
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* Licensees holding a valid commercial license may use this file in
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* accordance with the commercial license agreement provided with the
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* software.
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*/
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#include <dll/library.h>
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static INIT_ONCE FspNtStatusInitOnce = INIT_ONCE_STATIC_INIT;
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static ULONG (WINAPI *FspRtlNtStatusToDosError)(NTSTATUS Status);
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static BOOL WINAPI FspNtStatusInitialize(
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PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context)
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{
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HANDLE Handle;
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Handle = GetModuleHandleW(L"ntdll.dll");
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if (0 != Handle)
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FspRtlNtStatusToDosError = (PVOID)GetProcAddress(Handle, "RtlNtStatusToDosError");
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return TRUE;
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}
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FSP_API NTSTATUS FspNtStatusFromWin32(DWORD Error)
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{
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switch (Error)
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{
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#include "ntstatus.i"
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default:
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/* use FACILITY_NTWIN32 if able, else STATUS_ACCESS_DENIED */
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return 0xffff >= Error ? (0x80070000 | Error) : STATUS_ACCESS_DENIED;
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}
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}
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FSP_API DWORD FspWin32FromNtStatus(NTSTATUS Status)
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{
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InitOnceExecuteOnce(&FspNtStatusInitOnce, FspNtStatusInitialize, 0, 0);
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if (0 == FspRtlNtStatusToDosError)
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return ERROR_MR_MID_NOT_FOUND;
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return FspRtlNtStatusToDosError(Status);
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}
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