--- /dev/null
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Windows system calls.
+
+package windows
+
+import (
+ errorspkg "errors"
+ "sync"
+ "syscall"
+ "time"
+ "unicode/utf16"
+ "unsafe"
+
+ "golang.org/x/sys/internal/unsafeheader"
+)
+
+type Handle uintptr
+type HWND uintptr
+
+const (
+ InvalidHandle = ^Handle(0)
+ InvalidHWND = ^HWND(0)
+
+ // Flags for DefineDosDevice.
+ DDD_EXACT_MATCH_ON_REMOVE = 0x00000004
+ DDD_NO_BROADCAST_SYSTEM = 0x00000008
+ DDD_RAW_TARGET_PATH = 0x00000001
+ DDD_REMOVE_DEFINITION = 0x00000002
+
+ // Return values for GetDriveType.
+ DRIVE_UNKNOWN = 0
+ DRIVE_NO_ROOT_DIR = 1
+ DRIVE_REMOVABLE = 2
+ DRIVE_FIXED = 3
+ DRIVE_REMOTE = 4
+ DRIVE_CDROM = 5
+ DRIVE_RAMDISK = 6
+
+ // File system flags from GetVolumeInformation and GetVolumeInformationByHandle.
+ FILE_CASE_SENSITIVE_SEARCH = 0x00000001
+ FILE_CASE_PRESERVED_NAMES = 0x00000002
+ FILE_FILE_COMPRESSION = 0x00000010
+ FILE_DAX_VOLUME = 0x20000000
+ FILE_NAMED_STREAMS = 0x00040000
+ FILE_PERSISTENT_ACLS = 0x00000008
+ FILE_READ_ONLY_VOLUME = 0x00080000
+ FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000
+ FILE_SUPPORTS_ENCRYPTION = 0x00020000
+ FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000
+ FILE_SUPPORTS_HARD_LINKS = 0x00400000
+ FILE_SUPPORTS_OBJECT_IDS = 0x00010000
+ FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000
+ FILE_SUPPORTS_REPARSE_POINTS = 0x00000080
+ FILE_SUPPORTS_SPARSE_FILES = 0x00000040
+ FILE_SUPPORTS_TRANSACTIONS = 0x00200000
+ FILE_SUPPORTS_USN_JOURNAL = 0x02000000
+ FILE_UNICODE_ON_DISK = 0x00000004
+ FILE_VOLUME_IS_COMPRESSED = 0x00008000
+ FILE_VOLUME_QUOTAS = 0x00000020
+
+ // Flags for LockFileEx.
+ LOCKFILE_FAIL_IMMEDIATELY = 0x00000001
+ LOCKFILE_EXCLUSIVE_LOCK = 0x00000002
+
+ // Return values of SleepEx and other APC functions
+ STATUS_USER_APC = 0x000000C0
+ WAIT_IO_COMPLETION = STATUS_USER_APC
+)
+
+// StringToUTF16 is deprecated. Use UTF16FromString instead.
+// If s contains a NUL byte this function panics instead of
+// returning an error.
+func StringToUTF16(s string) []uint16 {
+ a, err := UTF16FromString(s)
+ if err != nil {
+ panic("windows: string with NUL passed to StringToUTF16")
+ }
+ return a
+}
+
+// UTF16FromString returns the UTF-16 encoding of the UTF-8 string
+// s, with a terminating NUL added. If s contains a NUL byte at any
+// location, it returns (nil, syscall.EINVAL).
+func UTF16FromString(s string) ([]uint16, error) {
+ for i := 0; i < len(s); i++ {
+ if s[i] == 0 {
+ return nil, syscall.EINVAL
+ }
+ }
+ return utf16.Encode([]rune(s + "\x00")), nil
+}
+
+// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s,
+// with a terminating NUL and any bytes after the NUL removed.
+func UTF16ToString(s []uint16) string {
+ for i, v := range s {
+ if v == 0 {
+ s = s[:i]
+ break
+ }
+ }
+ return string(utf16.Decode(s))
+}
+
+// StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead.
+// If s contains a NUL byte this function panics instead of
+// returning an error.
+func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] }
+
+// UTF16PtrFromString returns pointer to the UTF-16 encoding of
+// the UTF-8 string s, with a terminating NUL added. If s
+// contains a NUL byte at any location, it returns (nil, syscall.EINVAL).
+func UTF16PtrFromString(s string) (*uint16, error) {
+ a, err := UTF16FromString(s)
+ if err != nil {
+ return nil, err
+ }
+ return &a[0], nil
+}
+
+// UTF16PtrToString takes a pointer to a UTF-16 sequence and returns the corresponding UTF-8 encoded string.
+// If the pointer is nil, it returns the empty string. It assumes that the UTF-16 sequence is terminated
+// at a zero word; if the zero word is not present, the program may crash.
+func UTF16PtrToString(p *uint16) string {
+ if p == nil {
+ return ""
+ }
+ if *p == 0 {
+ return ""
+ }
+
+ // Find NUL terminator.
+ n := 0
+ for ptr := unsafe.Pointer(p); *(*uint16)(ptr) != 0; n++ {
+ ptr = unsafe.Pointer(uintptr(ptr) + unsafe.Sizeof(*p))
+ }
+
+ var s []uint16
+ h := (*unsafeheader.Slice)(unsafe.Pointer(&s))
+ h.Data = unsafe.Pointer(p)
+ h.Len = n
+ h.Cap = n
+
+ return string(utf16.Decode(s))
+}
+
+func Getpagesize() int { return 4096 }
+
+// NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention.
+// This is useful when interoperating with Windows code requiring callbacks.
+// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
+func NewCallback(fn interface{}) uintptr {
+ return syscall.NewCallback(fn)
+}
+
+// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
+// This is useful when interoperating with Windows code requiring callbacks.
+// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
+func NewCallbackCDecl(fn interface{}) uintptr {
+ return syscall.NewCallbackCDecl(fn)
+}
+
+// windows api calls
+
+//sys GetLastError() (lasterr error)
+//sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
+//sys LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW
+//sys FreeLibrary(handle Handle) (err error)
+//sys GetProcAddress(module Handle, procname string) (proc uintptr, err error)
+//sys GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) = kernel32.GetModuleFileNameW
+//sys GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err error) = kernel32.GetModuleHandleExW
+//sys SetDefaultDllDirectories(directoryFlags uint32) (err error)
+//sys SetDllDirectory(path string) (err error) = kernel32.SetDllDirectoryW
+//sys GetVersion() (ver uint32, err error)
+//sys FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW
+//sys ExitProcess(exitcode uint32)
+//sys IsWow64Process(handle Handle, isWow64 *bool) (err error) = IsWow64Process
+//sys IsWow64Process2(handle Handle, processMachine *uint16, nativeMachine *uint16) (err error) = IsWow64Process2?
+//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile Handle) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW
+//sys ReadFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error)
+//sys WriteFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error)
+//sys GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (err error)
+//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]
+//sys CloseHandle(handle Handle) (err error)
+//sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle]
+//sys SetStdHandle(stdhandle uint32, handle Handle) (err error)
+//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW
+//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW
+//sys FindClose(handle Handle) (err error)
+//sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error)
+//sys GetFileInformationByHandleEx(handle Handle, class uint32, outBuffer *byte, outBufferLen uint32) (err error)
+//sys SetFileInformationByHandle(handle Handle, class uint32, inBuffer *byte, inBufferLen uint32) (err error)
+//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW
+//sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW
+//sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW
+//sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW
+//sys DeleteFile(path *uint16) (err error) = DeleteFileW
+//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW
+//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW
+//sys LockFileEx(file Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
+//sys UnlockFileEx(file Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
+//sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW
+//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW
+//sys SetEndOfFile(handle Handle) (err error)
+//sys GetSystemTimeAsFileTime(time *Filetime)
+//sys GetSystemTimePreciseAsFileTime(time *Filetime)
+//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]
+//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uint32, threadcnt uint32) (handle Handle, err error)
+//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uint32, overlapped **Overlapped, timeout uint32) (err error)
+//sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uint32, overlapped *Overlapped) (err error)
+//sys CancelIo(s Handle) (err error)
+//sys CancelIoEx(s Handle, o *Overlapped) (err error)
+//sys CreateProcess(appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = CreateProcessW
+//sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error)
+//sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW
+//sys GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId
+//sys GetShellWindow() (shellWindow HWND) = user32.GetShellWindow
+//sys MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW
+//sys ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx
+//sys shGetKnownFolderPath(id *KNOWNFOLDERID, flags uint32, token Token, path **uint16) (ret error) = shell32.SHGetKnownFolderPath
+//sys TerminateProcess(handle Handle, exitcode uint32) (err error)
+//sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error)
+//sys GetStartupInfo(startupInfo *StartupInfo) (err error) = GetStartupInfoW
+//sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error)
+//sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error)
+//sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff]
+//sys waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects
+//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW
+//sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error)
+//sys GetFileType(filehandle Handle) (n uint32, err error)
+//sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW
+//sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext
+//sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom
+//sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW
+//sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW
+//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW
+//sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW
+//sys CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock
+//sys DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+//sys getTickCount64() (ms uint64) = kernel32.GetTickCount64
+//sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)
+//sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW
+//sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW
+//sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW
+//sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW
+//sys CommandLineToArgv(cmd *uint16, argc *int32) (argv *[8192]*[8192]uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW
+//sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0]
+//sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error)
+//sys FlushFileBuffers(handle Handle) (err error)
+//sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW
+//sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW
+//sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW
+//sys GetFinalPathNameByHandle(file Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW
+//sys CreateFileMapping(fhandle Handle, sa *SecurityAttributes, prot uint32, maxSizeHigh uint32, maxSizeLow uint32, name *uint16) (handle Handle, err error) = kernel32.CreateFileMappingW
+//sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error)
+//sys UnmapViewOfFile(addr uintptr) (err error)
+//sys FlushViewOfFile(addr uintptr, length uintptr) (err error)
+//sys VirtualLock(addr uintptr, length uintptr) (err error)
+//sys VirtualUnlock(addr uintptr, length uintptr) (err error)
+//sys VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc
+//sys VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree
+//sys VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect
+//sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile
+//sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW
+//sys FindFirstChangeNotification(path string, watchSubtree bool, notifyFilter uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.FindFirstChangeNotificationW
+//sys FindNextChangeNotification(handle Handle) (err error)
+//sys FindCloseChangeNotification(handle Handle) (err error)
+//sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW
+//sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) = crypt32.CertOpenStore
+//sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore
+//sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore
+//sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore
+//sys CertDeleteCertificateFromStore(certContext *CertContext) (err error) = crypt32.CertDeleteCertificateFromStore
+//sys CertDuplicateCertificateContext(certContext *CertContext) (dupContext *CertContext) = crypt32.CertDuplicateCertificateContext
+//sys PFXImportCertStore(pfx *CryptDataBlob, password *uint16, flags uint32) (store Handle, err error) = crypt32.PFXImportCertStore
+//sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain
+//sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain
+//sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext
+//sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext
+//sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy
+//sys CertGetNameString(certContext *CertContext, nameType uint32, flags uint32, typePara unsafe.Pointer, name *uint16, size uint32) (chars uint32) = crypt32.CertGetNameStringW
+//sys CertFindExtension(objId *byte, countExtensions uint32, extensions *CertExtension) (ret *CertExtension) = crypt32.CertFindExtension
+//sys CryptQueryObject(objectType uint32, object unsafe.Pointer, expectedContentTypeFlags uint32, expectedFormatTypeFlags uint32, flags uint32, msgAndCertEncodingType *uint32, contentType *uint32, formatType *uint32, certStore *Handle, msg *Handle, context *unsafe.Pointer) (err error) = crypt32.CryptQueryObject
+//sys CryptDecodeObject(encodingType uint32, structType *byte, encodedBytes *byte, lenEncodedBytes uint32, flags uint32, decoded unsafe.Pointer, decodedLen *uint32) (err error) = crypt32.CryptDecodeObject
+//sys CryptProtectData(dataIn *DataBlob, name *uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptProtectData
+//sys CryptUnprotectData(dataIn *DataBlob, name **uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptUnprotectData
+//sys WinVerifyTrustEx(hwnd HWND, actionId *GUID, data *WinTrustData) (ret error) = wintrust.WinVerifyTrustEx
+//sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW
+//sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey
+//sys RegQueryInfoKey(key Handle, class *uint16, classLen *uint32, reserved *uint32, subkeysLen *uint32, maxSubkeyLen *uint32, maxClassLen *uint32, valuesLen *uint32, maxValueNameLen *uint32, maxValueLen *uint32, saLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegQueryInfoKeyW
+//sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW
+//sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW
+//sys RegNotifyChangeKeyValue(key Handle, watchSubtree bool, notifyFilter uint32, event Handle, asynchronous bool) (regerrno error) = advapi32.RegNotifyChangeKeyValue
+//sys GetCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId
+//sys ProcessIdToSessionId(pid uint32, sessionid *uint32) (err error) = kernel32.ProcessIdToSessionId
+//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode
+//sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode
+//sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo
+//sys setConsoleCursorPosition(console Handle, position uint32) (err error) = kernel32.SetConsoleCursorPosition
+//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW
+//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW
+//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot
+//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW
+//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW
+//sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error)
+//sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error)
+//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error)
+// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
+//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW
+//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW
+//sys GetCurrentThreadId() (id uint32)
+//sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) = kernel32.CreateEventW
+//sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) = kernel32.CreateEventExW
+//sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW
+//sys SetEvent(event Handle) (err error) = kernel32.SetEvent
+//sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent
+//sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent
+//sys CreateMutex(mutexAttrs *SecurityAttributes, initialOwner bool, name *uint16) (handle Handle, err error) = kernel32.CreateMutexW
+//sys CreateMutexEx(mutexAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) = kernel32.CreateMutexExW
+//sys OpenMutex(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenMutexW
+//sys ReleaseMutex(mutex Handle) (err error) = kernel32.ReleaseMutex
+//sys SleepEx(milliseconds uint32, alertable bool) (ret uint32) = kernel32.SleepEx
+//sys CreateJobObject(jobAttr *SecurityAttributes, name *uint16) (handle Handle, err error) = kernel32.CreateJobObjectW
+//sys AssignProcessToJobObject(job Handle, process Handle) (err error) = kernel32.AssignProcessToJobObject
+//sys TerminateJobObject(job Handle, exitCode uint32) (err error) = kernel32.TerminateJobObject
+//sys SetErrorMode(mode uint32) (ret uint32) = kernel32.SetErrorMode
+//sys ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread
+//sys SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass
+//sys GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass
+//sys QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject
+//sys SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error)
+//sys GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error)
+//sys GetProcessId(process Handle) (id uint32, err error)
+//sys OpenThread(desiredAccess uint32, inheritHandle bool, threadId uint32) (handle Handle, err error)
+//sys SetProcessPriorityBoost(process Handle, disable bool) (err error) = kernel32.SetProcessPriorityBoost
+//sys GetProcessWorkingSetSizeEx(hProcess Handle, lpMinimumWorkingSetSize *uintptr, lpMaximumWorkingSetSize *uintptr, flags *uint32)
+//sys SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error)
+
+// Volume Management Functions
+//sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW
+//sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW
+//sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW
+//sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW
+//sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW
+//sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW
+//sys FindVolumeClose(findVolume Handle) (err error)
+//sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error)
+//sys GetDiskFreeSpaceEx(directoryName *uint16, freeBytesAvailableToCaller *uint64, totalNumberOfBytes *uint64, totalNumberOfFreeBytes *uint64) (err error) = GetDiskFreeSpaceExW
+//sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW
+//sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0]
+//sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW
+//sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW
+//sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW
+//sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW
+//sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW
+//sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW
+//sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW
+//sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW
+//sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW
+//sys InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint32, forceAppsClosed bool, rebootAfterShutdown bool, reason uint32) (err error) = advapi32.InitiateSystemShutdownExW
+//sys SetProcessShutdownParameters(level uint32, flags uint32) (err error) = kernel32.SetProcessShutdownParameters
+//sys GetProcessShutdownParameters(level *uint32, flags *uint32) (err error) = kernel32.GetProcessShutdownParameters
+//sys clsidFromString(lpsz *uint16, pclsid *GUID) (ret error) = ole32.CLSIDFromString
+//sys stringFromGUID2(rguid *GUID, lpsz *uint16, cchMax int32) (chars int32) = ole32.StringFromGUID2
+//sys coCreateGuid(pguid *GUID) (ret error) = ole32.CoCreateGuid
+//sys CoTaskMemFree(address unsafe.Pointer) = ole32.CoTaskMemFree
+//sys rtlGetVersion(info *OsVersionInfoEx) (ret error) = ntdll.RtlGetVersion
+//sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers
+//sys getProcessPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetProcessPreferredUILanguages
+//sys getThreadPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetThreadPreferredUILanguages
+//sys getUserPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetUserPreferredUILanguages
+//sys getSystemPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetSystemPreferredUILanguages
+
+// Process Status API (PSAPI)
+//sys EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses
+
+// syscall interface implementation for other packages
+
+// GetCurrentProcess returns the handle for the current process.
+// It is a pseudo handle that does not need to be closed.
+// The returned error is always nil.
+//
+// Deprecated: use CurrentProcess for the same Handle without the nil
+// error.
+func GetCurrentProcess() (Handle, error) {
+ return CurrentProcess(), nil
+}
+
+// CurrentProcess returns the handle for the current process.
+// It is a pseudo handle that does not need to be closed.
+func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) }
+
+// GetCurrentThread returns the handle for the current thread.
+// It is a pseudo handle that does not need to be closed.
+// The returned error is always nil.
+//
+// Deprecated: use CurrentThread for the same Handle without the nil
+// error.
+func GetCurrentThread() (Handle, error) {
+ return CurrentThread(), nil
+}
+
+// CurrentThread returns the handle for the current thread.
+// It is a pseudo handle that does not need to be closed.
+func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) }
+
+// GetProcAddressByOrdinal retrieves the address of the exported
+// function from module by ordinal.
+func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) {
+ r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0)
+ proc = uintptr(r0)
+ if proc == 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
+
+func Exit(code int) { ExitProcess(uint32(code)) }
+
+func makeInheritSa() *SecurityAttributes {
+ var sa SecurityAttributes
+ sa.Length = uint32(unsafe.Sizeof(sa))
+ sa.InheritHandle = 1
+ return &sa
+}
+
+func Open(path string, mode int, perm uint32) (fd Handle, err error) {
+ if len(path) == 0 {
+ return InvalidHandle, ERROR_FILE_NOT_FOUND
+ }
+ pathp, err := UTF16PtrFromString(path)
+ if err != nil {
+ return InvalidHandle, err
+ }
+ var access uint32
+ switch mode & (O_RDONLY | O_WRONLY | O_RDWR) {
+ case O_RDONLY:
+ access = GENERIC_READ
+ case O_WRONLY:
+ access = GENERIC_WRITE
+ case O_RDWR:
+ access = GENERIC_READ | GENERIC_WRITE
+ }
+ if mode&O_CREAT != 0 {
+ access |= GENERIC_WRITE
+ }
+ if mode&O_APPEND != 0 {
+ access &^= GENERIC_WRITE
+ access |= FILE_APPEND_DATA
+ }
+ sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE)
+ var sa *SecurityAttributes
+ if mode&O_CLOEXEC == 0 {
+ sa = makeInheritSa()
+ }
+ var createmode uint32
+ switch {
+ case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL):
+ createmode = CREATE_NEW
+ case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC):
+ createmode = CREATE_ALWAYS
+ case mode&O_CREAT == O_CREAT:
+ createmode = OPEN_ALWAYS
+ case mode&O_TRUNC == O_TRUNC:
+ createmode = TRUNCATE_EXISTING
+ default:
+ createmode = OPEN_EXISTING
+ }
+ var attrs uint32 = FILE_ATTRIBUTE_NORMAL
+ if perm&S_IWRITE == 0 {
+ attrs = FILE_ATTRIBUTE_READONLY
+ }
+ h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0)
+ return h, e
+}
+
+func Read(fd Handle, p []byte) (n int, err error) {
+ var done uint32
+ e := ReadFile(fd, p, &done, nil)
+ if e != nil {
+ if e == ERROR_BROKEN_PIPE {
+ // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin
+ return 0, nil
+ }
+ return 0, e
+ }
+ if raceenabled {
+ if done > 0 {
+ raceWriteRange(unsafe.Pointer(&p[0]), int(done))
+ }
+ raceAcquire(unsafe.Pointer(&ioSync))
+ }
+ return int(done), nil
+}
+
+func Write(fd Handle, p []byte) (n int, err error) {
+ if raceenabled {
+ raceReleaseMerge(unsafe.Pointer(&ioSync))
+ }
+ var done uint32
+ e := WriteFile(fd, p, &done, nil)
+ if e != nil {
+ return 0, e
+ }
+ if raceenabled && done > 0 {
+ raceReadRange(unsafe.Pointer(&p[0]), int(done))
+ }
+ return int(done), nil
+}
+
+var ioSync int64
+
+func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) {
+ var w uint32
+ switch whence {
+ case 0:
+ w = FILE_BEGIN
+ case 1:
+ w = FILE_CURRENT
+ case 2:
+ w = FILE_END
+ }
+ hi := int32(offset >> 32)
+ lo := int32(offset)
+ // use GetFileType to check pipe, pipe can't do seek
+ ft, _ := GetFileType(fd)
+ if ft == FILE_TYPE_PIPE {
+ return 0, syscall.EPIPE
+ }
+ rlo, e := SetFilePointer(fd, lo, &hi, w)
+ if e != nil {
+ return 0, e
+ }
+ return int64(hi)<<32 + int64(rlo), nil
+}
+
+func Close(fd Handle) (err error) {
+ return CloseHandle(fd)
+}
+
+var (
+ Stdin = getStdHandle(STD_INPUT_HANDLE)
+ Stdout = getStdHandle(STD_OUTPUT_HANDLE)
+ Stderr = getStdHandle(STD_ERROR_HANDLE)
+)
+
+func getStdHandle(stdhandle uint32) (fd Handle) {
+ r, _ := GetStdHandle(stdhandle)
+ CloseOnExec(r)
+ return r
+}
+
+const ImplementsGetwd = true
+
+func Getwd() (wd string, err error) {
+ b := make([]uint16, 300)
+ n, e := GetCurrentDirectory(uint32(len(b)), &b[0])
+ if e != nil {
+ return "", e
+ }
+ return string(utf16.Decode(b[0:n])), nil
+}
+
+func Chdir(path string) (err error) {
+ pathp, err := UTF16PtrFromString(path)
+ if err != nil {
+ return err
+ }
+ return SetCurrentDirectory(pathp)
+}
+
+func Mkdir(path string, mode uint32) (err error) {
+ pathp, err := UTF16PtrFromString(path)
+ if err != nil {
+ return err
+ }
+ return CreateDirectory(pathp, nil)
+}
+
+func Rmdir(path string) (err error) {
+ pathp, err := UTF16PtrFromString(path)
+ if err != nil {
+ return err
+ }
+ return RemoveDirectory(pathp)
+}
+
+func Unlink(path string) (err error) {
+ pathp, err := UTF16PtrFromString(path)
+ if err != nil {
+ return err
+ }
+ return DeleteFile(pathp)
+}
+
+func Rename(oldpath, newpath string) (err error) {
+ from, err := UTF16PtrFromString(oldpath)
+ if err != nil {
+ return err
+ }
+ to, err := UTF16PtrFromString(newpath)
+ if err != nil {
+ return err
+ }
+ return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING)
+}
+
+func ComputerName() (name string, err error) {
+ var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
+ b := make([]uint16, n)
+ e := GetComputerName(&b[0], &n)
+ if e != nil {
+ return "", e
+ }
+ return string(utf16.Decode(b[0:n])), nil
+}
+
+func DurationSinceBoot() time.Duration {
+ return time.Duration(getTickCount64()) * time.Millisecond
+}
+
+func Ftruncate(fd Handle, length int64) (err error) {
+ curoffset, e := Seek(fd, 0, 1)
+ if e != nil {
+ return e
+ }
+ defer Seek(fd, curoffset, 0)
+ _, e = Seek(fd, length, 0)
+ if e != nil {
+ return e
+ }
+ e = SetEndOfFile(fd)
+ if e != nil {
+ return e
+ }
+ return nil
+}
+
+func Gettimeofday(tv *Timeval) (err error) {
+ var ft Filetime
+ GetSystemTimeAsFileTime(&ft)
+ *tv = NsecToTimeval(ft.Nanoseconds())
+ return nil
+}
+
+func Pipe(p []Handle) (err error) {
+ if len(p) != 2 {
+ return syscall.EINVAL
+ }
+ var r, w Handle
+ e := CreatePipe(&r, &w, makeInheritSa(), 0)
+ if e != nil {
+ return e
+ }
+ p[0] = r
+ p[1] = w
+ return nil
+}
+
+func Utimes(path string, tv []Timeval) (err error) {
+ if len(tv) != 2 {
+ return syscall.EINVAL
+ }
+ pathp, e := UTF16PtrFromString(path)
+ if e != nil {
+ return e
+ }
+ h, e := CreateFile(pathp,
+ FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
+ OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
+ if e != nil {
+ return e
+ }
+ defer Close(h)
+ a := NsecToFiletime(tv[0].Nanoseconds())
+ w := NsecToFiletime(tv[1].Nanoseconds())
+ return SetFileTime(h, nil, &a, &w)
+}
+
+func UtimesNano(path string, ts []Timespec) (err error) {
+ if len(ts) != 2 {
+ return syscall.EINVAL
+ }
+ pathp, e := UTF16PtrFromString(path)
+ if e != nil {
+ return e
+ }
+ h, e := CreateFile(pathp,
+ FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
+ OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
+ if e != nil {
+ return e
+ }
+ defer Close(h)
+ a := NsecToFiletime(TimespecToNsec(ts[0]))
+ w := NsecToFiletime(TimespecToNsec(ts[1]))
+ return SetFileTime(h, nil, &a, &w)
+}
+
+func Fsync(fd Handle) (err error) {
+ return FlushFileBuffers(fd)
+}
+
+func Chmod(path string, mode uint32) (err error) {
+ p, e := UTF16PtrFromString(path)
+ if e != nil {
+ return e
+ }
+ attrs, e := GetFileAttributes(p)
+ if e != nil {
+ return e
+ }
+ if mode&S_IWRITE != 0 {
+ attrs &^= FILE_ATTRIBUTE_READONLY
+ } else {
+ attrs |= FILE_ATTRIBUTE_READONLY
+ }
+ return SetFileAttributes(p, attrs)
+}
+
+func LoadGetSystemTimePreciseAsFileTime() error {
+ return procGetSystemTimePreciseAsFileTime.Find()
+}
+
+func LoadCancelIoEx() error {
+ return procCancelIoEx.Find()
+}
+
+func LoadSetFileCompletionNotificationModes() error {
+ return procSetFileCompletionNotificationModes.Find()
+}
+
+func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
+ // Every other win32 array API takes arguments as "pointer, count", except for this function. So we
+ // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore
+ // trivially stub this ourselves.
+
+ var handlePtr *Handle
+ if len(handles) > 0 {
+ handlePtr = &handles[0]
+ }
+ return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds)
+}
+
+// net api calls
+
+const socket_error = uintptr(^uint32(0))
+
+//sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup
+//sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup
+//sys WSAIoctl(s Handle, iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) [failretval==socket_error] = ws2_32.WSAIoctl
+//sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket
+//sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto
+//sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom
+//sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt
+//sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt
+//sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind
+//sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect
+//sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname
+//sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername
+//sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen
+//sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown
+//sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket
+//sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx
+//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs
+//sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv
+//sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend
+//sys WSARecvFrom(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, from *RawSockaddrAny, fromlen *int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecvFrom
+//sys WSASendTo(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *RawSockaddrAny, tolen int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASendTo
+//sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname
+//sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname
+//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs
+//sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname
+//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W
+//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree
+//sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W
+//sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW
+//sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW
+//sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry
+//sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo
+//sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes
+//sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW
+//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses
+//sys GetACP() (acp uint32) = kernel32.GetACP
+//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar
+
+// For testing: clients can set this flag to force
+// creation of IPv6 sockets to return EAFNOSUPPORT.
+var SocketDisableIPv6 bool
+
+type RawSockaddrInet4 struct {
+ Family uint16
+ Port uint16
+ Addr [4]byte /* in_addr */
+ Zero [8]uint8
+}
+
+type RawSockaddrInet6 struct {
+ Family uint16
+ Port uint16
+ Flowinfo uint32
+ Addr [16]byte /* in6_addr */
+ Scope_id uint32
+}
+
+type RawSockaddr struct {
+ Family uint16
+ Data [14]int8
+}
+
+type RawSockaddrAny struct {
+ Addr RawSockaddr
+ Pad [100]int8
+}
+
+type Sockaddr interface {
+ sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs
+}
+
+type SockaddrInet4 struct {
+ Port int
+ Addr [4]byte
+ raw RawSockaddrInet4
+}
+
+func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) {
+ if sa.Port < 0 || sa.Port > 0xFFFF {
+ return nil, 0, syscall.EINVAL
+ }
+ sa.raw.Family = AF_INET
+ p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
+ p[0] = byte(sa.Port >> 8)
+ p[1] = byte(sa.Port)
+ for i := 0; i < len(sa.Addr); i++ {
+ sa.raw.Addr[i] = sa.Addr[i]
+ }
+ return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
+}
+
+type SockaddrInet6 struct {
+ Port int
+ ZoneId uint32
+ Addr [16]byte
+ raw RawSockaddrInet6
+}
+
+func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
+ if sa.Port < 0 || sa.Port > 0xFFFF {
+ return nil, 0, syscall.EINVAL
+ }
+ sa.raw.Family = AF_INET6
+ p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
+ p[0] = byte(sa.Port >> 8)
+ p[1] = byte(sa.Port)
+ sa.raw.Scope_id = sa.ZoneId
+ for i := 0; i < len(sa.Addr); i++ {
+ sa.raw.Addr[i] = sa.Addr[i]
+ }
+ return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
+}
+
+type RawSockaddrUnix struct {
+ Family uint16
+ Path [UNIX_PATH_MAX]int8
+}
+
+type SockaddrUnix struct {
+ Name string
+ raw RawSockaddrUnix
+}
+
+func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) {
+ name := sa.Name
+ n := len(name)
+ if n > len(sa.raw.Path) {
+ return nil, 0, syscall.EINVAL
+ }
+ if n == len(sa.raw.Path) && name[0] != '@' {
+ return nil, 0, syscall.EINVAL
+ }
+ sa.raw.Family = AF_UNIX
+ for i := 0; i < n; i++ {
+ sa.raw.Path[i] = int8(name[i])
+ }
+ // length is family (uint16), name, NUL.
+ sl := int32(2)
+ if n > 0 {
+ sl += int32(n) + 1
+ }
+ if sa.raw.Path[0] == '@' {
+ sa.raw.Path[0] = 0
+ // Don't count trailing NUL for abstract address.
+ sl--
+ }
+
+ return unsafe.Pointer(&sa.raw), sl, nil
+}
+
+func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) {
+ switch rsa.Addr.Family {
+ case AF_UNIX:
+ pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
+ sa := new(SockaddrUnix)
+ if pp.Path[0] == 0 {
+ // "Abstract" Unix domain socket.
+ // Rewrite leading NUL as @ for textual display.
+ // (This is the standard convention.)
+ // Not friendly to overwrite in place,
+ // but the callers below don't care.
+ pp.Path[0] = '@'
+ }
+
+ // Assume path ends at NUL.
+ // This is not technically the Linux semantics for
+ // abstract Unix domain sockets--they are supposed
+ // to be uninterpreted fixed-size binary blobs--but
+ // everyone uses this convention.
+ n := 0
+ for n < len(pp.Path) && pp.Path[n] != 0 {
+ n++
+ }
+ bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+ sa.Name = string(bytes)
+ return sa, nil
+
+ case AF_INET:
+ pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
+ sa := new(SockaddrInet4)
+ p := (*[2]byte)(unsafe.Pointer(&pp.Port))
+ sa.Port = int(p[0])<<8 + int(p[1])
+ for i := 0; i < len(sa.Addr); i++ {
+ sa.Addr[i] = pp.Addr[i]
+ }
+ return sa, nil
+
+ case AF_INET6:
+ pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
+ sa := new(SockaddrInet6)
+ p := (*[2]byte)(unsafe.Pointer(&pp.Port))
+ sa.Port = int(p[0])<<8 + int(p[1])
+ sa.ZoneId = pp.Scope_id
+ for i := 0; i < len(sa.Addr); i++ {
+ sa.Addr[i] = pp.Addr[i]
+ }
+ return sa, nil
+ }
+ return nil, syscall.EAFNOSUPPORT
+}
+
+func Socket(domain, typ, proto int) (fd Handle, err error) {
+ if domain == AF_INET6 && SocketDisableIPv6 {
+ return InvalidHandle, syscall.EAFNOSUPPORT
+ }
+ return socket(int32(domain), int32(typ), int32(proto))
+}
+
+func SetsockoptInt(fd Handle, level, opt int, value int) (err error) {
+ v := int32(value)
+ return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v)))
+}
+
+func Bind(fd Handle, sa Sockaddr) (err error) {
+ ptr, n, err := sa.sockaddr()
+ if err != nil {
+ return err
+ }
+ return bind(fd, ptr, n)
+}
+
+func Connect(fd Handle, sa Sockaddr) (err error) {
+ ptr, n, err := sa.sockaddr()
+ if err != nil {
+ return err
+ }
+ return connect(fd, ptr, n)
+}
+
+func Getsockname(fd Handle) (sa Sockaddr, err error) {
+ var rsa RawSockaddrAny
+ l := int32(unsafe.Sizeof(rsa))
+ if err = getsockname(fd, &rsa, &l); err != nil {
+ return
+ }
+ return rsa.Sockaddr()
+}
+
+func Getpeername(fd Handle) (sa Sockaddr, err error) {
+ var rsa RawSockaddrAny
+ l := int32(unsafe.Sizeof(rsa))
+ if err = getpeername(fd, &rsa, &l); err != nil {
+ return
+ }
+ return rsa.Sockaddr()
+}
+
+func Listen(s Handle, n int) (err error) {
+ return listen(s, int32(n))
+}
+
+func Shutdown(fd Handle, how int) (err error) {
+ return shutdown(fd, int32(how))
+}
+
+func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) {
+ rsa, l, err := to.sockaddr()
+ if err != nil {
+ return err
+ }
+ return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine)
+}
+
+func LoadGetAddrInfo() error {
+ return procGetAddrInfoW.Find()
+}
+
+var connectExFunc struct {
+ once sync.Once
+ addr uintptr
+ err error
+}
+
+func LoadConnectEx() error {
+ connectExFunc.once.Do(func() {
+ var s Handle
+ s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
+ if connectExFunc.err != nil {
+ return
+ }
+ defer CloseHandle(s)
+ var n uint32
+ connectExFunc.err = WSAIoctl(s,
+ SIO_GET_EXTENSION_FUNCTION_POINTER,
+ (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)),
+ uint32(unsafe.Sizeof(WSAID_CONNECTEX)),
+ (*byte)(unsafe.Pointer(&connectExFunc.addr)),
+ uint32(unsafe.Sizeof(connectExFunc.addr)),
+ &n, nil, 0)
+ })
+ return connectExFunc.err
+}
+
+func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) {
+ r1, _, e1 := syscall.Syscall9(connectExFunc.addr, 7, uintptr(s), uintptr(name), uintptr(namelen), uintptr(unsafe.Pointer(sendBuf)), uintptr(sendDataLen), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), 0, 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = error(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
+func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error {
+ err := LoadConnectEx()
+ if err != nil {
+ return errorspkg.New("failed to find ConnectEx: " + err.Error())
+ }
+ ptr, n, err := sa.sockaddr()
+ if err != nil {
+ return err
+ }
+ return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped)
+}
+
+var sendRecvMsgFunc struct {
+ once sync.Once
+ sendAddr uintptr
+ recvAddr uintptr
+ err error
+}
+
+func loadWSASendRecvMsg() error {
+ sendRecvMsgFunc.once.Do(func() {
+ var s Handle
+ s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
+ if sendRecvMsgFunc.err != nil {
+ return
+ }
+ defer CloseHandle(s)
+ var n uint32
+ sendRecvMsgFunc.err = WSAIoctl(s,
+ SIO_GET_EXTENSION_FUNCTION_POINTER,
+ (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
+ uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),
+ (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)),
+ uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)),
+ &n, nil, 0)
+ if sendRecvMsgFunc.err != nil {
+ return
+ }
+ sendRecvMsgFunc.err = WSAIoctl(s,
+ SIO_GET_EXTENSION_FUNCTION_POINTER,
+ (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)),
+ uint32(unsafe.Sizeof(WSAID_WSASENDMSG)),
+ (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)),
+ uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)),
+ &n, nil, 0)
+ })
+ return sendRecvMsgFunc.err
+}
+
+func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error {
+ err := loadWSASendRecvMsg()
+ if err != nil {
+ return err
+ }
+ r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.sendAddr, 6, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(flags), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine)))
+ if r1 == socket_error {
+ err = errnoErr(e1)
+ }
+ return err
+}
+
+func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error {
+ err := loadWSASendRecvMsg()
+ if err != nil {
+ return err
+ }
+ r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.recvAddr, 5, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(unsafe.Pointer(bytesReceived)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine)), 0)
+ if r1 == socket_error {
+ err = errnoErr(e1)
+ }
+ return err
+}
+
+// Invented structures to support what package os expects.
+type Rusage struct {
+ CreationTime Filetime
+ ExitTime Filetime
+ KernelTime Filetime
+ UserTime Filetime
+}
+
+type WaitStatus struct {
+ ExitCode uint32
+}
+
+func (w WaitStatus) Exited() bool { return true }
+
+func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) }
+
+func (w WaitStatus) Signal() Signal { return -1 }
+
+func (w WaitStatus) CoreDump() bool { return false }
+
+func (w WaitStatus) Stopped() bool { return false }
+
+func (w WaitStatus) Continued() bool { return false }
+
+func (w WaitStatus) StopSignal() Signal { return -1 }
+
+func (w WaitStatus) Signaled() bool { return false }
+
+func (w WaitStatus) TrapCause() int { return -1 }
+
+// Timespec is an invented structure on Windows, but here for
+// consistency with the corresponding package for other operating systems.
+type Timespec struct {
+ Sec int64
+ Nsec int64
+}
+
+func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
+
+func NsecToTimespec(nsec int64) (ts Timespec) {
+ ts.Sec = nsec / 1e9
+ ts.Nsec = nsec % 1e9
+ return
+}
+
+// TODO(brainman): fix all needed for net
+
+func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS }
+
+func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) {
+ var rsa RawSockaddrAny
+ l := int32(unsafe.Sizeof(rsa))
+ n32, err := recvfrom(fd, p, int32(flags), &rsa, &l)
+ n = int(n32)
+ if err != nil {
+ return
+ }
+ from, err = rsa.Sockaddr()
+ return
+}
+
+func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) {
+ ptr, l, err := to.sockaddr()
+ if err != nil {
+ return err
+ }
+ return sendto(fd, p, int32(flags), ptr, l)
+}
+
+func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS }
+
+// The Linger struct is wrong but we only noticed after Go 1.
+// sysLinger is the real system call structure.
+
+// BUG(brainman): The definition of Linger is not appropriate for direct use
+// with Setsockopt and Getsockopt.
+// Use SetsockoptLinger instead.
+
+type Linger struct {
+ Onoff int32
+ Linger int32
+}
+
+type sysLinger struct {
+ Onoff uint16
+ Linger uint16
+}
+
+type IPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
+
+type IPv6Mreq struct {
+ Multiaddr [16]byte /* in6_addr */
+ Interface uint32
+}
+
+func GetsockoptInt(fd Handle, level, opt int) (int, error) {
+ v := int32(0)
+ l := int32(unsafe.Sizeof(v))
+ err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l)
+ return int(v), err
+}
+
+func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {
+ sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)}
+ return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys)))
+}
+
+func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) {
+ return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4)
+}
+func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) {
+ return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq)))
+}
+func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) {
+ return syscall.EWINDOWS
+}
+
+func Getpid() (pid int) { return int(GetCurrentProcessId()) }
+
+func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) {
+ // NOTE(rsc): The Win32finddata struct is wrong for the system call:
+ // the two paths are each one uint16 short. Use the correct struct,
+ // a win32finddata1, and then copy the results out.
+ // There is no loss of expressivity here, because the final
+ // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that.
+ // For Go 1.1, we might avoid the allocation of win32finddata1 here
+ // by adding a final Bug [2]uint16 field to the struct and then
+ // adjusting the fields in the result directly.
+ var data1 win32finddata1
+ handle, err = findFirstFile1(name, &data1)
+ if err == nil {
+ copyFindData(data, &data1)
+ }
+ return
+}
+
+func FindNextFile(handle Handle, data *Win32finddata) (err error) {
+ var data1 win32finddata1
+ err = findNextFile1(handle, &data1)
+ if err == nil {
+ copyFindData(data, &data1)
+ }
+ return
+}
+
+func getProcessEntry(pid int) (*ProcessEntry32, error) {
+ snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
+ if err != nil {
+ return nil, err
+ }
+ defer CloseHandle(snapshot)
+ var procEntry ProcessEntry32
+ procEntry.Size = uint32(unsafe.Sizeof(procEntry))
+ if err = Process32First(snapshot, &procEntry); err != nil {
+ return nil, err
+ }
+ for {
+ if procEntry.ProcessID == uint32(pid) {
+ return &procEntry, nil
+ }
+ err = Process32Next(snapshot, &procEntry)
+ if err != nil {
+ return nil, err
+ }
+ }
+}
+
+func Getppid() (ppid int) {
+ pe, err := getProcessEntry(Getpid())
+ if err != nil {
+ return -1
+ }
+ return int(pe.ParentProcessID)
+}
+
+// TODO(brainman): fix all needed for os
+func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS }
+func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS }
+func Symlink(path, link string) (err error) { return syscall.EWINDOWS }
+
+func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS }
+func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
+func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
+func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS }
+
+func Getuid() (uid int) { return -1 }
+func Geteuid() (euid int) { return -1 }
+func Getgid() (gid int) { return -1 }
+func Getegid() (egid int) { return -1 }
+func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS }
+
+type Signal int
+
+func (s Signal) Signal() {}
+
+func (s Signal) String() string {
+ if 0 <= s && int(s) < len(signals) {
+ str := signals[s]
+ if str != "" {
+ return str
+ }
+ }
+ return "signal " + itoa(int(s))
+}
+
+func LoadCreateSymbolicLink() error {
+ return procCreateSymbolicLinkW.Find()
+}
+
+// Readlink returns the destination of the named symbolic link.
+func Readlink(path string, buf []byte) (n int, err error) {
+ fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING,
+ FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0)
+ if err != nil {
+ return -1, err
+ }
+ defer CloseHandle(fd)
+
+ rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
+ var bytesReturned uint32
+ err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)
+ if err != nil {
+ return -1, err
+ }
+
+ rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0]))
+ var s string
+ switch rdb.ReparseTag {
+ case IO_REPARSE_TAG_SYMLINK:
+ data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
+ p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
+ s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
+ case IO_REPARSE_TAG_MOUNT_POINT:
+ data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
+ p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
+ s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
+ default:
+ // the path is not a symlink or junction but another type of reparse
+ // point
+ return -1, syscall.ENOENT
+ }
+ n = copy(buf, []byte(s))
+
+ return n, nil
+}
+
+// GUIDFromString parses a string in the form of
+// "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID.
+func GUIDFromString(str string) (GUID, error) {
+ guid := GUID{}
+ str16, err := syscall.UTF16PtrFromString(str)
+ if err != nil {
+ return guid, err
+ }
+ err = clsidFromString(str16, &guid)
+ if err != nil {
+ return guid, err
+ }
+ return guid, nil
+}
+
+// GenerateGUID creates a new random GUID.
+func GenerateGUID() (GUID, error) {
+ guid := GUID{}
+ err := coCreateGuid(&guid)
+ if err != nil {
+ return guid, err
+ }
+ return guid, nil
+}
+
+// String returns the canonical string form of the GUID,
+// in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}".
+func (guid GUID) String() string {
+ var str [100]uint16
+ chars := stringFromGUID2(&guid, &str[0], int32(len(str)))
+ if chars <= 1 {
+ return ""
+ }
+ return string(utf16.Decode(str[:chars-1]))
+}
+
+// KnownFolderPath returns a well-known folder path for the current user, specified by one of
+// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
+func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
+ return Token(0).KnownFolderPath(folderID, flags)
+}
+
+// KnownFolderPath returns a well-known folder path for the user token, specified by one of
+// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
+func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
+ var p *uint16
+ err := shGetKnownFolderPath(folderID, flags, t, &p)
+ if err != nil {
+ return "", err
+ }
+ defer CoTaskMemFree(unsafe.Pointer(p))
+ return UTF16PtrToString(p), nil
+}
+
+// RtlGetVersion returns the version of the underlying operating system, ignoring
+// manifest semantics but is affected by the application compatibility layer.
+func RtlGetVersion() *OsVersionInfoEx {
+ info := &OsVersionInfoEx{}
+ info.osVersionInfoSize = uint32(unsafe.Sizeof(*info))
+ // According to documentation, this function always succeeds.
+ // The function doesn't even check the validity of the
+ // osVersionInfoSize member. Disassembling ntdll.dll indicates
+ // that the documentation is indeed correct about that.
+ _ = rtlGetVersion(info)
+ return info
+}
+
+// RtlGetNtVersionNumbers returns the version of the underlying operating system,
+// ignoring manifest semantics and the application compatibility layer.
+func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) {
+ rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber)
+ buildNumber &= 0xffff
+ return
+}
+
+// GetProcessPreferredUILanguages retrieves the process preferred UI languages.
+func GetProcessPreferredUILanguages(flags uint32) ([]string, error) {
+ return getUILanguages(flags, getProcessPreferredUILanguages)
+}
+
+// GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread.
+func GetThreadPreferredUILanguages(flags uint32) ([]string, error) {
+ return getUILanguages(flags, getThreadPreferredUILanguages)
+}
+
+// GetUserPreferredUILanguages retrieves information about the user preferred UI languages.
+func GetUserPreferredUILanguages(flags uint32) ([]string, error) {
+ return getUILanguages(flags, getUserPreferredUILanguages)
+}
+
+// GetSystemPreferredUILanguages retrieves the system preferred UI languages.
+func GetSystemPreferredUILanguages(flags uint32) ([]string, error) {
+ return getUILanguages(flags, getSystemPreferredUILanguages)
+}
+
+func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) {
+ size := uint32(128)
+ for {
+ var numLanguages uint32
+ buf := make([]uint16, size)
+ err := f(flags, &numLanguages, &buf[0], &size)
+ if err == ERROR_INSUFFICIENT_BUFFER {
+ continue
+ }
+ if err != nil {
+ return nil, err
+ }
+ buf = buf[:size]
+ if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0"
+ return []string{}, nil
+ }
+ if buf[len(buf)-1] == 0 {
+ buf = buf[:len(buf)-1] // remove terminating null
+ }
+ languages := make([]string, 0, numLanguages)
+ from := 0
+ for i, c := range buf {
+ if c == 0 {
+ languages = append(languages, string(utf16.Decode(buf[from:i])))
+ from = i + 1
+ }
+ }
+ return languages, nil
+ }
+}
+
+func SetConsoleCursorPosition(console Handle, position Coord) error {
+ return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position))))
+}
projects / dotfiles / .git / blobdiff