mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
343 lines
13 KiB
JavaScript
343 lines
13 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* This file can be used in the following contexts:
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*
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* 1. included from a non-osfile worker thread using importScript
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* (it serves to define a synchronous API for that worker thread)
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* (bug 707681)
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*
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* 2. included from the main thread using Components.utils.import
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* (it serves to define the asynchronous API, whose implementation
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* resides in the worker thread)
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* (bug 729057)
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*
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* 3. included from the osfile worker thread using importScript
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* (it serves to define the implementation of the asynchronous API)
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* (bug 729057)
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*/
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{
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if (typeof Components != "undefined") {
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// We do not wish osfile_win.jsm to be used directly as a main thread
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// module yet. When time comes, it will be loaded by a combination of
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// a main thread front-end/worker thread implementation that makes sure
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// that we are not executing synchronous IO code in the main thread.
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throw new Error("osfile_win.jsm cannot be used from the main thread yet");
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}
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(function(exports) {
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"use strict";
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if (!exports.OS) {
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exports.OS = {};
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}
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if (!exports.OS.Win) {
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exports.OS.Win = {};
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}
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if (exports.OS.Win.File) {
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return; // Avoid double-initialization
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}
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exports.OS.Win.File = {};
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let LOG = OS.Shared.LOG.bind(OS.Shared, "Win", "back");
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let libc = exports.OS.Shared.Win.libc;
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/**
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* Initialize the Windows module.
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*
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* @param {function=} declareFFI
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*/
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// FIXME: Both |init| and |aDeclareFFI| are deprecated, we should remove them
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let init = function init(aDeclareFFI) {
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let declareFFI;
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if (aDeclareFFI) {
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declareFFI = aDeclareFFI.bind(null, libc);
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} else {
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declareFFI = exports.OS.Shared.Win.declareFFI;
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}
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// Shorthands
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let OSWin = exports.OS.Win;
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let WinFile = exports.OS.Win.File;
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if (!exports.OS.Types) {
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exports.OS.Types = {};
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}
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let Type = exports.OS.Shared.Type;
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let Types = Type;
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// Initialize types
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/**
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* A C integer holding INVALID_HANDLE_VALUE in case of error or
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* a file descriptor in case of success.
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*/
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Types.HANDLE =
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Types.voidptr_t.withName("HANDLE");
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Types.HANDLE.importFromC = function importFromC(maybe) {
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if (Types.int.cast(maybe).value == INVALID_HANDLE) {
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// Ensure that API clients can effectively compare against
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// Const.INVALID_HANDLE_VALUE. Without this cast,
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// == would always return |false|.
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return INVALID_HANDLE;
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}
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return ctypes.CDataFinalizer(maybe, this.finalizeHANDLE);
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};
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Types.HANDLE.finalizeHANDLE = function placeholder() {
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throw new Error("finalizeHANDLE should be implemented");
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};
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let INVALID_HANDLE = exports.OS.Constants.Win.INVALID_HANDLE_VALUE;
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Types.file_HANDLE = Types.HANDLE.withName("file HANDLE");
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exports.OS.Shared.defineLazyGetter(Types.file_HANDLE,
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"finalizeHANDLE",
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function() {
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return _CloseHandle;
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});
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Types.find_HANDLE = Types.HANDLE.withName("find HANDLE");
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exports.OS.Shared.defineLazyGetter(Types.find_HANDLE,
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"finalizeHANDLE",
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function() {
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return _FindClose;
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});
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Types.DWORD = Types.int32_t.withName("DWORD");
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/**
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* A C integer holding -1 in case of error or a positive integer
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* in case of success.
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*/
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Types.negative_or_DWORD =
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Types.DWORD.withName("negative_or_DWORD");
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/**
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* A C integer holding 0 in case of error or a positive integer
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* in case of success.
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*/
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Types.zero_or_DWORD =
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Types.DWORD.withName("zero_or_DWORD");
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/**
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* A C integer holding 0 in case of error, any other value in
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* case of success.
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*/
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Types.zero_or_nothing =
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Types.int.withName("zero_or_nothing");
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Types.SECURITY_ATTRIBUTES =
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Types.void_t.withName("SECURITY_ATTRIBUTES");
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Types.FILETIME =
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new Type("FILETIME",
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ctypes.StructType("FILETIME", [
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{ lo: Types.DWORD.implementation },
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{ hi: Types.DWORD.implementation }]));
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Types.FindData =
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new Type("FIND_DATA",
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ctypes.StructType("FIND_DATA", [
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{ dwFileAttributes: ctypes.uint32_t },
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{ ftCreationTime: Types.FILETIME.implementation },
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{ ftLastAccessTime: Types.FILETIME.implementation },
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{ ftLastWriteTime: Types.FILETIME.implementation },
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{ nFileSizeHigh: Types.DWORD.implementation },
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{ nFileSizeLow: Types.DWORD.implementation },
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{ dwReserved0: Types.DWORD.implementation },
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{ dwReserved1: Types.DWORD.implementation },
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{ cFileName: ctypes.ArrayType(ctypes.jschar, exports.OS.Constants.Win.MAX_PATH) },
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{ cAlternateFileName: ctypes.ArrayType(ctypes.jschar, 14) }
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]));
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Types.FILE_INFORMATION =
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new Type("FILE_INFORMATION",
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ctypes.StructType("FILE_INFORMATION", [
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{ dwFileAttributes: ctypes.uint32_t },
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{ ftCreationTime: Types.FILETIME.implementation },
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{ ftLastAccessTime: Types.FILETIME.implementation },
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{ ftLastWriteTime: Types.FILETIME.implementation },
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{ dwVolumeSerialNumber: ctypes.uint32_t },
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{ nFileSizeHigh: Types.DWORD.implementation },
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{ nFileSizeLow: Types.DWORD.implementation },
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{ nNumberOfLinks: ctypes.uint32_t },
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{ nFileIndex: ctypes.uint64_t }
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]));
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Types.SystemTime =
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new Type("SystemTime",
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ctypes.StructType("SystemTime", [
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{ wYear: ctypes.int16_t },
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{ wMonth: ctypes.int16_t },
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{ wDayOfWeek: ctypes.int16_t },
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{ wDay: ctypes.int16_t },
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{ wHour: ctypes.int16_t },
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{ wMinute: ctypes.int16_t },
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{ wSecond: ctypes.int16_t },
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{ wMilliSeconds: ctypes.int16_t }
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]));
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// Special case: these functions are used by the
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// finalizer
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let _CloseHandle = WinFile._CloseHandle =
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libc.declare("CloseHandle", ctypes.winapi_abi,
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/*return */ctypes.bool,
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/*handle*/ ctypes.voidptr_t);
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WinFile.CloseHandle = function(fd) {
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if (fd == INVALID_HANDLE) {
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return true;
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} else {
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return fd.dispose(); // Returns the value of |CloseHandle|.
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}
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};
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let _FindClose =
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libc.declare("FindClose", ctypes.winapi_abi,
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/*return */ctypes.bool,
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/*handle*/ ctypes.voidptr_t);
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WinFile.FindClose = function(handle) {
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if (handle == INVALID_HANDLE) {
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return true;
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} else {
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return handle.dispose(); // Returns the value of |FindClose|.
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}
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};
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// Declare libc functions as functions of |OS.Win.File|
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WinFile.CopyFile =
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declareFFI("CopyFileW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*sourcePath*/ Types.path,
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/*destPath*/ Types.path,
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/*bailIfExist*/Types.bool);
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WinFile.CreateDirectory =
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declareFFI("CreateDirectoryW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*name*/ Types.jschar.in_ptr,
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/*security*/Types.SECURITY_ATTRIBUTES.in_ptr);
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WinFile.CreateFile =
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declareFFI("CreateFileW", ctypes.winapi_abi,
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/*return*/ Types.file_HANDLE,
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/*name*/ Types.path,
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/*access*/ Types.DWORD,
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/*share*/ Types.DWORD,
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/*security*/Types.SECURITY_ATTRIBUTES.in_ptr,
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/*creation*/Types.DWORD,
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/*flags*/ Types.DWORD,
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/*template*/Types.HANDLE);
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WinFile.DeleteFile =
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declareFFI("DeleteFileW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*path*/ Types.path);
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WinFile.FileTimeToSystemTime =
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declareFFI("FileTimeToSystemTime", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*filetime*/Types.FILETIME.in_ptr,
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/*systime*/ Types.SystemTime.out_ptr);
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WinFile.FindFirstFile =
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declareFFI("FindFirstFileW", ctypes.winapi_abi,
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/*return*/ Types.find_HANDLE,
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/*pattern*/Types.path,
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/*data*/ Types.FindData.out_ptr);
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WinFile.FindNextFile =
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declareFFI("FindNextFileW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*prev*/ Types.find_HANDLE,
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/*data*/ Types.FindData.out_ptr);
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WinFile.FormatMessage =
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declareFFI("FormatMessageW", ctypes.winapi_abi,
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/*return*/ Types.DWORD,
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/*flags*/ Types.DWORD,
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/*source*/ Types.void_t.in_ptr,
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/*msgid*/ Types.DWORD,
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/*langid*/ Types.DWORD,
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/*buf*/ Types.out_wstring,
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/*size*/ Types.DWORD,
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/*Arguments*/Types.void_t.in_ptr
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);
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WinFile.GetCurrentDirectory =
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declareFFI("GetCurrentDirectoryW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_DWORD,
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/*length*/ Types.DWORD,
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/*buf*/ Types.out_path
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);
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WinFile.GetFileInformationByHandle =
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declareFFI("GetFileInformationByHandle", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*handle*/ Types.HANDLE,
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/*info*/ Types.FILE_INFORMATION.out_ptr);
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WinFile.MoveFileEx =
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declareFFI("MoveFileExW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*sourcePath*/ Types.path,
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/*destPath*/ Types.path,
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/*flags*/ Types.DWORD
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);
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WinFile.ReadFile =
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declareFFI("ReadFile", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*file*/ Types.HANDLE,
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/*buffer*/ Types.voidptr_t,
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/*nbytes*/ Types.DWORD,
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/*nbytes_read*/Types.DWORD.out_ptr,
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/*overlapped*/Types.void_t.inout_ptr // FIXME: Implement?
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);
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WinFile.RemoveDirectory =
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declareFFI("RemoveDirectoryW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*path*/ Types.path);
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WinFile.SetCurrentDirectory =
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declareFFI("SetCurrentDirectoryW", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*path*/ Types.path
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);
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WinFile.SetEndOfFile =
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declareFFI("SetEndOfFile", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*file*/ Types.HANDLE);
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WinFile.SetFilePointer =
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declareFFI("SetFilePointer", ctypes.winapi_abi,
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/*return*/ Types.negative_or_DWORD,
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/*file*/ Types.HANDLE,
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/*distlow*/Types.long,
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/*disthi*/ Types.long.in_ptr,
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/*method*/ Types.DWORD);
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WinFile.WriteFile =
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declareFFI("WriteFile", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*file*/ Types.HANDLE,
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/*buffer*/ Types.voidptr_t,
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/*nbytes*/ Types.DWORD,
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/*nbytes_wr*/Types.DWORD.out_ptr,
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/*overlapped*/Types.void_t.inout_ptr // FIXME: Implement?
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);
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WinFile.FlushFileBuffers =
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declareFFI("FlushFileBuffers", ctypes.winapi_abi,
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/*return*/ Types.zero_or_nothing,
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/*file*/ Types.HANDLE);
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};
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exports.OS.Win.File._init = init;
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})(this);
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}
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