93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/*
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* Process Hacker -
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* error codes
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*
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* Copyright (C) 2010-2011 wj32
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*
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* This file is part of Process Hacker.
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*
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* Process Hacker is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Process Hacker is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Process Hacker. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <phbase.h>
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/**
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* Converts a NTSTATUS value to a Win32 error code.
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*
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* \remarks This function handles FACILITY_NTWIN32 status values properly, unlike
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* RtlNtStatusToDosError.
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*/
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ULONG PhNtStatusToDosError(
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_In_ NTSTATUS Status
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)
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{
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if (NT_NTWIN32(Status)) // RtlNtStatusToDosError doesn't seem to handle these cases correctly
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return WIN32_FROM_NTSTATUS(Status);
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else
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return RtlNtStatusToDosError(Status);
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}
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/**
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* Converts a Win32 error code to a NTSTATUS value.
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*
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* \remarks Only a small number of cases are currently supported. Other status values are wrapped
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* using FACILITY_NTWIN32.
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*/
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NTSTATUS PhDosErrorToNtStatus(
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_In_ ULONG DosError
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)
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{
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switch (DosError)
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{
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case ERROR_INVALID_FUNCTION: return STATUS_ILLEGAL_FUNCTION;
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case ERROR_FILE_NOT_FOUND: return STATUS_NO_SUCH_FILE;
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case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
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case ERROR_INVALID_HANDLE: return STATUS_INVALID_HANDLE;
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case ERROR_HANDLE_EOF: return STATUS_END_OF_FILE;
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case ERROR_NOT_SUPPORTED: return STATUS_NOT_SUPPORTED;
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case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
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case ERROR_NOT_LOCKED: return STATUS_NOT_LOCKED;
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case ERROR_MORE_DATA: return STATUS_MORE_ENTRIES;
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case ERROR_NOACCESS: return STATUS_ACCESS_VIOLATION;
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case ERROR_STACK_OVERFLOW: return STATUS_STACK_OVERFLOW;
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case ERROR_INTERNAL_ERROR: return STATUS_INTERNAL_ERROR;
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default: return NTSTATUS_FROM_WIN32(DosError);
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}
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}
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/**
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* Determines whether a NTSTATUS value indicates that a file cannot be not found.
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*/
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BOOLEAN PhNtStatusFileNotFound(
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_In_ NTSTATUS Status
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)
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{
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switch (Status)
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{
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case STATUS_NO_SUCH_FILE:
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return TRUE;
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case STATUS_OBJECT_NAME_INVALID:
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return TRUE;
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case STATUS_OBJECT_NAME_NOT_FOUND:
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return TRUE;
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case STATUS_OBJECT_NO_LONGER_EXISTS:
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return TRUE;
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case STATUS_OBJECT_PATH_INVALID:
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return TRUE;
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case STATUS_OBJECT_PATH_NOT_FOUND:
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return TRUE;
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default: return FALSE;
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}
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}
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