func XAudio2Create(ppXAudio2 **IXAudio2) (ret int32) { libole32, _ := syscall.LoadLibrary("ole32.dll") ptrcoInitializeEx, _ = syscall.GetProcAddress(syscall.Handle(libole32), "CoInitializeEx") ptrcoCreateInstance, _ = syscall.GetProcAddress(syscall.Handle(libole32), "CoCreateInstance") coInitializeEx(nil, 0) // XAudio 2.7 GUIDs clsid := guid{0x5a508685, 0xa254, 0x4fba, [8]byte{0x9b, 0x82, 0x9a, 0x24, 0xb0, 0x03, 0x06, 0xaf}} iid := guid{0x8bcf1f58, 0x9fe7, 0x4583, [8]byte{0x8a, 0xc6, 0xe2, 0xad, 0xc4, 0x65, 0xc8, 0xbb}} var com unsafe.Pointer ret = coCreateInstance(&clsid, nil, 1, &iid, &com) if ret < 0 { return } pXAudio2 := (*IXAudio2)(com) ret = pXAudio2.Initialize(0, 0xffffffff) if ret < 0 { pXAudio2.Release() return } *ppXAudio2 = pXAudio2 return }
func init() { var nStdHandle = -11 kernel32, _ = syscall.LoadLibrary("Kernel32.dll") GetStdHandle, _ = syscall.GetProcAddress(syscall.Handle(kernel32), "GetStdHandle") SetConsoleTextAttribute, _ = syscall.GetProcAddress(syscall.Handle(kernel32), "SetConsoleTextAttribute") // ReadConsoleOutputAttribute, _ := syscall.GetProcAddress(syscall.Handle(kernel32), "ReadConsoleOutputAttribute") GetConsoleScreenBufferInfo, _ = syscall.GetProcAddress(syscall.Handle(kernel32), "GetConsoleScreenBufferInfo") hnd, _, _ = syscall.Syscall(uintptr(GetStdHandle), 1, uintptr(nStdHandle), 0, 0) }
func (jst *TCFinger) Initdriver(pin *driverlayer.DriverArg) { var err error jst.stdll, err = syscall.LoadLibrary("third_party/teso/TesoLive.dll") if err != nil { panic("LoadLibrary " + err.Error()) } jst.getRegisterImage, err = syscall.GetProcAddress(jst.stdll, "FPIGetTemplate") jst.getValidteImage, err = syscall.GetProcAddress(jst.stdll, "FPIGetFeature") jst.matchtz, err = syscall.GetProcAddress(jst.stdll, "FPIMatch") }
func init() { var err error if msvcrt, err = syscall.LoadLibrary("msvcrt.dll"); err != nil { abort("LoadLibrary", err) } if setlocale, err = syscall.GetProcAddress(msvcrt, "setlocale"); err != nil { abort("GetProcAddress", err) } if wcstombs, err = syscall.GetProcAddress(msvcrt, "wcstombs"); err != nil { abort("GetProcAddress", err) } if mbstowcs, err = syscall.GetProcAddress(msvcrt, "mbstowcs"); err != nil { abort("GetProcAddress", err) } }
// Returns total and free bytes available in a directory. // It returns free space available to the user (including quota limitations), // so it can be lower than the free space of the disk. func DiskSpace(path string) (total, free int64, err error) { kernel32, err := syscall.LoadLibrary("Kernel32.dll") if err != nil { return } defer syscall.FreeLibrary(kernel32) GetDiskFreeSpaceEx, err := syscall.GetProcAddress( syscall.Handle(kernel32), "GetDiskFreeSpaceExW") if err != nil { return } lpFreeBytesAvailable := int64(0) lpTotalNumberOfBytes := int64(0) lpTotalNumberOfFreeBytes := int64(0) r1, _, e1 := syscall.Syscall6(uintptr(GetDiskFreeSpaceEx), 4, uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))), uintptr(unsafe.Pointer(&lpFreeBytesAvailable)), uintptr(unsafe.Pointer(&lpTotalNumberOfBytes)), uintptr(unsafe.Pointer(&lpTotalNumberOfFreeBytes)), 0, 0) if r1 == 0 { if e1 != 0 { err = error(e1) } else { err = syscall.EINVAL } return } total = lpTotalNumberOfBytes free = lpFreeBytesAvailable return }
func getProcAddr(lib syscall.Handle, name string) uintptr { addr, err := syscall.GetProcAddress(lib, name) if err != nil { panic(name + " " + err.Error()) } return addr }
func (p *Dll) InitalFunctions(funcNames ...string) error { if funcNames == nil { return nil } if !p.IsDllLoaded() { return errors.New("dll should loaded befor inital functions") } if p.funcProcs == nil { p.funcProcs = make(map[string]uintptr) } for _, funcName := range funcNames { funcName = strings.TrimSpace(funcName) if funcName == "" { return errors.New("function name could not be empty") } if proc, e := syscall.GetProcAddress(p.dllHandler, funcName); e != nil { return e } else { p.funcProcs[funcName] = proc } } return nil }
// ************************************************************************* // We can probably delete this, it is an alternative version in case we have // problems with simpler version above // ************************************************************************* func freeDiskSpaceBytes2(dir string) (uint64, error) { kernel32, err := syscall.LoadLibrary("Kernel32.dll") if err != nil { log.Panic(err) } defer syscall.FreeLibrary(kernel32) GetDiskFreeSpaceEx, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GetDiskFreeSpaceExW") if err != nil { return 0, err } lpFreeBytesAvailable := int64(0) lpTotalNumberOfBytes := int64(0) lpTotalNumberOfFreeBytes := int64(0) r, a, b := syscall.Syscall6( uintptr(GetDiskFreeSpaceEx), 4, uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr("C:"))), uintptr(unsafe.Pointer(&lpFreeBytesAvailable)), uintptr(unsafe.Pointer(&lpTotalNumberOfBytes)), uintptr(unsafe.Pointer(&lpTotalNumberOfFreeBytes)), 0, 0, ) log.Print("Disk space:", r, a, b, lpFreeBytesAvailable, lpTotalNumberOfBytes, lpTotalNumberOfFreeBytes) return uint64(lpFreeBytesAvailable), nil }
func getSysProcAddr(m uint32, pname string) uintptr { p, e := syscall.GetProcAddress(m, pname) if e != 0 { panic("GetProcAddress failed on " + pname) } return uintptr(p) }
func (jst *IDCGeneral) Initdriver(pin *driverlayer.DriverArg) { var err error jst.termdll, err = syscall.LoadLibrary("third_party/general/sdtapi.dll") if err != nil { panic("load library error:" + err.Error()) } f := func(n string, res *uintptr) bool { *res, err = syscall.GetProcAddress(jst.termdll, n) if err != nil { syscall.FreeLibrary(jst.termdll) panic("load proc " + n + " error:" + err.Error()) } return true } //获得dll的各种handle if f("SDT_OpenPort", &jst.initcomm) && f("SDT_ClosePort", &jst.closecomm) && f("SDT_StartFindIDCard", &jst.findcard) && f("SDT_SelectIDCard", &jst.selectcard) && f("SDT_ReadBaseMsg", &jst.readbasemsg) { } else { utils.Error("Init shensi Driver error...%s", err.Error()) } }
func testFail() { h, err := syscall.LoadLibrary("msvcrt") if err != nil { fmt.Println(err) return } defer syscall.FreeLibrary(h) proc, err := syscall.GetProcAddress(h, "memcpy") if err != nil { fmt.Println(err) return } // dst := unsafe.Pointer(uintptr(1)) // src := unsafe.Pointer(uintptr(2)) // count := unsafe.Pointer(uintptr(4)) dst := uintptr(1) src := uintptr(2) count := uintptr(3) fmt.Println("test memcpy error in go...") r, _, _ := syscall.Syscall(uintptr(proc), 3, dst, src, count) fmt.Println(r) fmt.Println("should not run here") }
func getProcAddr(lib syscall.Handle, name string) uintptr { addr, err := syscall.GetProcAddress(lib, name) if err != 0 { panic(name + " " + syscall.Errstr(err)) } return addr }
func Rename(src, dst string) error { kernel32, err := syscall.LoadLibrary("kernel32.dll") if err != nil { return err } defer syscall.FreeLibrary(kernel32) moveFileExUnicode, err := syscall.GetProcAddress(kernel32, "MoveFileExW") if err != nil { return err } srcString, err := syscall.UTF16PtrFromString(src) if err != nil { return err } dstString, err := syscall.UTF16PtrFromString(dst) if err != nil { return err } srcPtr := uintptr(unsafe.Pointer(srcString)) dstPtr := uintptr(unsafe.Pointer(dstString)) MOVEFILE_REPLACE_EXISTING := 0x1 flag := uintptr(MOVEFILE_REPLACE_EXISTING) _, _, callErr := syscall.Syscall(uintptr(moveFileExUnicode), 3, srcPtr, dstPtr, flag) if callErr != 0 { return callErr } return nil }
func getSysProcAddr(m uint32, pname string) uintptr { p, e := syscall.GetProcAddress(m, pname) if e != 0 { abortf("GetProcAddress(%s) failed with err=%d.\n", pname, e) } return uintptr(p) }
func main() { //首先,准备输入参数, GetDiskFreeSpaceEx需要4个参数, 可查MSDN // dir := "C:" lpFreeBytesAvailable := int64(0) //注意类型需要跟API的类型相符 lpTotalNumberOfBytes := int64(0) lpTotalNumberOfFreeBytes := int64(0) //获取方法的引用 kernel32, err := syscall.LoadLibrary("Kernel32.dll") // 严格来说需要加上 defer syscall.FreeLibrary(kernel32) if err != nil { log.Println(err.Error()) } defer syscall.FreeLibrary(kernel32) GetDiskFreeSpaceEx, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GetDiskFreeSpaceExW") //执行之. 因为有4个参数,故取Syscall6才能放得下. 最后2个参数,自然就是0了 r, _, errno := syscall.Syscall6(uintptr(GetDiskFreeSpaceEx), 4, uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr("C:"))), uintptr(unsafe.Pointer(&lpFreeBytesAvailable)), uintptr(unsafe.Pointer(&lpTotalNumberOfBytes)), uintptr(unsafe.Pointer(&lpTotalNumberOfFreeBytes)), 0, 0) if errno != 0 { log.Println(errno) } // 注意, errno并非error接口的, 不可能是nil // 而且,根据MSDN的说明,返回值为0就fail, 不为0就是成功 if r != 0 { log.Printf("Free %dmb", lpTotalNumberOfFreeBytes/1024/1024) } }
func init() { // Library libkernel32 = MustLoadLibrary("kernel32.dll") // Functions closeHandle = MustGetProcAddress(libkernel32, "CloseHandle") fileTimeToSystemTime = MustGetProcAddress(libkernel32, "FileTimeToSystemTime") getConsoleTitle = MustGetProcAddress(libkernel32, "GetConsoleTitleW") getConsoleWindow = MustGetProcAddress(libkernel32, "GetConsoleWindow") getLastError = MustGetProcAddress(libkernel32, "GetLastError") getLocaleInfo = MustGetProcAddress(libkernel32, "GetLocaleInfoW") getLogicalDriveStrings = MustGetProcAddress(libkernel32, "GetLogicalDriveStringsW") getModuleHandle = MustGetProcAddress(libkernel32, "GetModuleHandleW") getNumberFormat = MustGetProcAddress(libkernel32, "GetNumberFormatW") getProfileString = MustGetProcAddress(libkernel32, "GetProfileStringW") getThreadLocale = MustGetProcAddress(libkernel32, "GetThreadLocale") getThreadUILanguage, _ = syscall.GetProcAddress(syscall.Handle(libkernel32), "GetThreadUILanguage") getVersion = MustGetProcAddress(libkernel32, "GetVersion") globalAlloc = MustGetProcAddress(libkernel32, "GlobalAlloc") globalFree = MustGetProcAddress(libkernel32, "GlobalFree") globalLock = MustGetProcAddress(libkernel32, "GlobalLock") globalUnlock = MustGetProcAddress(libkernel32, "GlobalUnlock") moveMemory = MustGetProcAddress(libkernel32, "RtlMoveMemory") mulDiv = MustGetProcAddress(libkernel32, "MulDiv") setLastError = MustGetProcAddress(libkernel32, "SetLastError") systemTimeToFileTime = MustGetProcAddress(libkernel32, "SystemTimeToFileTime") }
func getProcAddr(lib syscall.Handle, name string) uintptr { addr, err := syscall.GetProcAddress(lib, name) if err != nil { panic(fmt.Sprintf("[ERROR] getProcAddr %s: %v", name, err)) } return addr }
func MustGetProcAddress(lib uintptr, name string) uintptr { addr, errno := syscall.GetProcAddress(syscall.Handle(lib), name) if errno != 0 { panic(fmt.Sprintf(`syscall.GetProcAddress(%d, "%s") failed: %s`, lib, name, syscall.Errstr(errno))) } return uintptr(addr) }
func (jst *ZZFinger) Initdriver(pin *driverlayer.DriverArg) { var err error jst.stdll, err = syscall.LoadLibrary("third_party/zhongzheng/FingerDLL.dll") if err != nil { panic("LoadLibrary " + err.Error()) } jst.read, err = syscall.GetProcAddress(jst.stdll, "drive") }
func (jst *HTPingjia) Initdriver(pin *driverlayer.DriverArg) { var err error jst.htdll, err = syscall.LoadLibrary("estimator_ht.dll") if err != nil { panic("LoadLibrary " + err.Error()) } jst.startEstimate, err = syscall.GetProcAddress(jst.htdll, "StartEstimate") }
func GetProcAddr(lib uintptr, name string) uintptr { addr, err := syscall.GetProcAddress(syscall.Handle(lib), name) if err != nil { panic(fmt.Sprintf("syscal.GetProcAddress(%d, '%s') failed: %s", lib, name, err.Error())) } return uintptr(addr) }
func MustGetProcAddress(lib uintptr, name string) uintptr { addr, err := syscall.GetProcAddress(syscall.Handle(lib), name) if err != nil { panic("Failed to get the address function < " + name + " >," + err.Error()) } return uintptr(addr) }
func init() { dll, err := syscall.LoadLibrary("PowerPointWrapper.dll") if err != nil { panic(err) } procInitialize, err = syscall.GetProcAddress(dll, "Initialize") if err != nil { panic(err) } procUninitialize, err = syscall.GetProcAddress(dll, "Uninitialize") if err != nil { panic(err) } procPresentationCurrentSlideIndex, err = syscall.GetProcAddress(dll, "PresentationCurrentSlideIndex") if err != nil { panic(err) } procPresentationTotalSlidesCount, err = syscall.GetProcAddress(dll, "PresentationTotalSlidesCount") if err != nil { panic(err) } procPresentationPreviousSlide, err = syscall.GetProcAddress(dll, "PresentationPreviousSlide") if err != nil { panic(err) } procPresentationNextSlide, err = syscall.GetProcAddress(dll, "PresentationNextSlide") if err != nil { panic(err) } procPresentationCurrentSlideName, err = syscall.GetProcAddress(dll, "PresentationCurrentSlideName") if err != nil { panic(err) } procPresentationCurrentSlideNote, err = syscall.GetProcAddress(dll, "PresentationCurrentSlideNote") if err != nil { panic(err) } procRefreshPresentationSlidesThumbnail, err = syscall.GetProcAddress(dll, "RefreshPresentationSlidesThumbnail") if err != nil { panic(err) } }
func init() { k32, err := syscall.LoadLibrary("kernel32.dll") if err != nil { panic("LoadLibrary " + err.Error()) } defer syscall.FreeLibrary(k32) versionAddr, err = syscall.GetProcAddress(k32, "GetVersion") }
func MustGetProcAddress(lib uintptr, name string) uintptr { addr, err := syscall.GetProcAddress(syscall.Handle(lib), name) if err != nil { panic(err) } return uintptr(addr) }
func MustGetProcAddress(lib uint32, name string) uint32 { addr, errno := syscall.GetProcAddress(lib, name) if errno != 0 { panic(fmt.Sprintf(`syscall.GetProcAddress(%d, "%s") failed: %s`, lib, name, syscall.Errstr(errno))) } return addr }
func init() { kernel32, loadErr := syscall.LoadLibrary("kernel32.dll") if loadErr != nil { fmt.Println("loadErr", loadErr) } defer syscall.FreeLibrary(kernel32) _SetConsoleTitle, _ = syscall.GetProcAddress(kernel32, "SetConsoleTitleW") }
func (jst *STICCard) Initdriver(pin *driverlayer.DriverArg) { var err error jst.termdll, err = syscall.LoadLibrary("third_party/shengteng/iccard_shengteng.dll") if err != nil { panic("load library error:" + err.Error()) } jst.read, err = syscall.GetProcAddress(jst.termdll, "drive") }
func GetThreadUILanguage() LANGID { getThreadUILanguageAddr, _ := syscall.GetProcAddress(libkernel32.Handle, "GetThreadUILanguage") if getThreadUILanguageAddr == 0 { return 0 } ret, _, _ := getThreadUILanguage.Call() return LANGID(ret) }
func GetLoadLibrary() (uintptr, error) { handle, err := win32.GetModuleHandle(syscall.StringToUTF16Ptr("kernel32")) if err != nil { return 0, err } addr, err := syscall.GetProcAddress(handle, "LoadLibraryW") if err != nil { return 0, os.NewSyscallError("GetProcAddress", err) } return addr, nil }