112 lines
3.0 KiB
Python
112 lines
3.0 KiB
Python
# Copyright 2017 Cloudbase Solutions Srl
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# This module contains some common types extracted from ctypes.wintypes
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# plus some extra ones that we are using throughout os-win.
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#
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# In order to avoid portability issues more easily, we avoid using
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# ctypes.wintypes directly.
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import ctypes
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import sys
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BYTE = ctypes.c_byte
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WORD = ctypes.c_ushort
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DWORD = ctypes.c_ulong
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CHAR = ctypes.c_char
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WCHAR = ctypes.c_wchar
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UINT = ctypes.c_uint
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INT = ctypes.c_int
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DOUBLE = ctypes.c_double
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FLOAT = ctypes.c_float
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BOOLEAN = BYTE
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BOOL = ctypes.c_long
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ULONG = ctypes.c_ulong
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LONG = ctypes.c_long
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USHORT = ctypes.c_ushort
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SHORT = ctypes.c_short
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LONGLONG = _LARGE_INTEGER = LARGE_INTEGER = ctypes.c_longlong
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ULONGLONG = _ULARGE_INTEGER = ULARGE_INTEGER = ctypes.c_ulonglong
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LPCOLESTR = LPOLESTR = OLESTR = ctypes.c_wchar_p
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LPCWSTR = LPWSTR = PWSTR = ctypes.c_wchar_p
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LPCSTR = LPSTR = PSTR = ctypes.c_char_p
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LPCVOID = LPVOID = PVOID = ctypes.c_void_p
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HANDLE = ctypes.c_void_p
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LPBOOL = PBOOL = ctypes.POINTER(BOOL)
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PBOOLEAN = ctypes.POINTER(BOOLEAN)
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LPBYTE = PBYTE = ctypes.POINTER(BYTE)
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PCHAR = ctypes.POINTER(CHAR)
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LPDWORD = PDWORD = ctypes.POINTER(DWORD)
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PFLOAT = ctypes.POINTER(FLOAT)
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LPHANDLE = PHANDLE = ctypes.POINTER(HANDLE)
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LPINT = PINT = ctypes.POINTER(INT)
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PLARGE_INTEGER = ctypes.POINTER(LARGE_INTEGER)
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LPLONG = PLONG = ctypes.POINTER(LONG)
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PLONGLONG = ctypes.POINTER(LONGLONG)
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PSHORT = ctypes.POINTER(SHORT)
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LPUINT = PUINT = ctypes.POINTER(UINT)
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PULARGE_INTEGER = ctypes.POINTER(ULARGE_INTEGER)
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PULONG = ctypes.POINTER(ULONG)
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PUSHORT = ctypes.POINTER(USHORT)
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# Warning: PWCHAR behaves differently than c_wchar_p. Accessing
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# a PWCHAR structure attribute won't give us back a Python string.
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PWCHAR = ctypes.POINTER(WCHAR)
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LPWORD = PWORD = ctypes.POINTER(WORD)
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class GUID(ctypes.Structure):
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_fields_ = [
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("Data1", ULONG),
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("Data2", USHORT),
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("Data3", USHORT),
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("Data4", BYTE * 8)
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]
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class OVERLAPPED(ctypes.Structure):
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_fields_ = [
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('Internal', ULONG),
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('InternalHigh', ULONG),
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('Offset', DWORD),
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('OffsetHigh', DWORD),
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('hEvent', HANDLE)
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]
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LPOVERLAPPED = ctypes.POINTER(OVERLAPPED)
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if sys.platform == 'win32':
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LPOVERLAPPED_COMPLETION_ROUTINE = ctypes.WINFUNCTYPE(
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None, DWORD, DWORD, LPOVERLAPPED)
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else:
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LPOVERLAPPED_COMPLETION_ROUTINE = PVOID
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class SECURITY_ATTRIBUTES(ctypes.Structure):
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_fields_ = [
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('nLength', DWORD),
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('lpSecurityDescriptor', LPVOID),
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('bInheritHandle', BOOL)
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]
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