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// Copyright 2010 The win Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
package win
import (
"golang.org/x/sys/windows"
"syscall"
"unsafe"
)
const MAX_PATH = 260
// Error codes
const (
ERROR_SUCCESS = 0
ERROR_INVALID_FUNCTION = 1
ERROR_FILE_NOT_FOUND = 2
ERROR_INVALID_PARAMETER = 87
ERROR_INSUFFICIENT_BUFFER = 122
ERROR_MORE_DATA = 234
)
// GlobalAlloc flags
const (
GHND = 0x0042
GMEM_FIXED = 0x0000
GMEM_MOVEABLE = 0x0002
GMEM_ZEROINIT = 0x0040
GPTR = GMEM_FIXED | GMEM_ZEROINIT
)
// Predefined locale ids
const (
LOCALE_CUSTOM_DEFAULT LCID = 0x0c00
LOCALE_CUSTOM_UI_DEFAULT LCID = 0x1400
LOCALE_CUSTOM_UNSPECIFIED LCID = 0x1000
LOCALE_INVARIANT LCID = 0x007f
LOCALE_USER_DEFAULT LCID = 0x0400
LOCALE_SYSTEM_DEFAULT LCID = 0x0800
)
// LCTYPE constants
const (
LOCALE_SDECIMAL LCTYPE = 14
LOCALE_STHOUSAND LCTYPE = 15
LOCALE_SISO3166CTRYNAME LCTYPE = 0x5a
LOCALE_SISO3166CTRYNAME2 LCTYPE = 0x68
LOCALE_SISO639LANGNAME LCTYPE = 0x59
LOCALE_SISO639LANGNAME2 LCTYPE = 0x67
)
var (
// Library
libkernel32 *windows.LazyDLL
// Functions
activateActCtx *windows.LazyProc
closeHandle *windows.LazyProc
createActCtx *windows.LazyProc
fileTimeToSystemTime *windows.LazyProc
findResource *windows.LazyProc
getConsoleTitle *windows.LazyProc
getConsoleWindow *windows.LazyProc
getCurrentThreadId *windows.LazyProc
getLastError *windows.LazyProc
getLocaleInfo *windows.LazyProc
getLogicalDriveStrings *windows.LazyProc
getModuleHandle *windows.LazyProc
getNumberFormat *windows.LazyProc
getPhysicallyInstalledSystemMemory *windows.LazyProc
getProfileString *windows.LazyProc
getThreadLocale *windows.LazyProc
getThreadUILanguage *windows.LazyProc
getVersion *windows.LazyProc
globalAlloc *windows.LazyProc
globalFree *windows.LazyProc
globalLock *windows.LazyProc
globalUnlock *windows.LazyProc
moveMemory *windows.LazyProc
mulDiv *windows.LazyProc
loadResource *windows.LazyProc
lockResource *windows.LazyProc
setLastError *windows.LazyProc
sizeofResource *windows.LazyProc
systemTimeToFileTime *windows.LazyProc
)
type (
ATOM uint16
HANDLE uintptr
HGLOBAL HANDLE
HINSTANCE HANDLE
LCID uint32
LCTYPE uint32
LANGID uint16
HMODULE uintptr
HWINEVENTHOOK HANDLE
HRSRC uintptr
)
type FILETIME struct {
DwLowDateTime uint32
DwHighDateTime uint32
}
type NUMBERFMT struct {
NumDigits uint32
LeadingZero uint32
Grouping uint32
LpDecimalSep *uint16
LpThousandSep *uint16
NegativeOrder uint32
}
type SYSTEMTIME struct {
WYear uint16
WMonth uint16
WDayOfWeek uint16
WDay uint16
WHour uint16
WMinute uint16
WSecond uint16
WMilliseconds uint16
}
type ACTCTX struct {
size uint32
Flags uint32
Source *uint16 // UTF-16 string
ProcessorArchitecture uint16
LangID uint16
AssemblyDirectory *uint16 // UTF-16 string
ResourceName *uint16 // UTF-16 string
ApplicationName *uint16 // UTF-16 string
Module HMODULE
}
func init() {
// Library
libkernel32 = windows.NewLazySystemDLL("kernel32.dll")
// Functions
activateActCtx = libkernel32.NewProc("ActivateActCtx")
closeHandle = libkernel32.NewProc("CloseHandle")
createActCtx = libkernel32.NewProc("CreateActCtxW")
fileTimeToSystemTime = libkernel32.NewProc("FileTimeToSystemTime")
findResource = libkernel32.NewProc("FindResourceW")
getConsoleTitle = libkernel32.NewProc("GetConsoleTitleW")
getConsoleWindow = libkernel32.NewProc("GetConsoleWindow")
getCurrentThreadId = libkernel32.NewProc("GetCurrentThreadId")
getLastError = libkernel32.NewProc("GetLastError")
getLocaleInfo = libkernel32.NewProc("GetLocaleInfoW")
getLogicalDriveStrings = libkernel32.NewProc("GetLogicalDriveStringsW")
getModuleHandle = libkernel32.NewProc("GetModuleHandleW")
getNumberFormat = libkernel32.NewProc("GetNumberFormatW")
getPhysicallyInstalledSystemMemory = libkernel32.NewProc("GetPhysicallyInstalledSystemMemory")
getProfileString = libkernel32.NewProc("GetProfileStringW")
getThreadLocale = libkernel32.NewProc("GetThreadLocale")
getThreadUILanguage = libkernel32.NewProc("GetThreadUILanguage")
getVersion = libkernel32.NewProc("GetVersion")
globalAlloc = libkernel32.NewProc("GlobalAlloc")
globalFree = libkernel32.NewProc("GlobalFree")
globalLock = libkernel32.NewProc("GlobalLock")
globalUnlock = libkernel32.NewProc("GlobalUnlock")
moveMemory = libkernel32.NewProc("RtlMoveMemory")
mulDiv = libkernel32.NewProc("MulDiv")
loadResource = libkernel32.NewProc("LoadResource")
lockResource = libkernel32.NewProc("LockResource")
setLastError = libkernel32.NewProc("SetLastError")
sizeofResource = libkernel32.NewProc("SizeofResource")
systemTimeToFileTime = libkernel32.NewProc("SystemTimeToFileTime")
}
func ActivateActCtx(ctx HANDLE) (uintptr, bool) {
var cookie uintptr
ret, _, _ := syscall.Syscall(activateActCtx.Addr(), 2,
uintptr(ctx),
uintptr(unsafe.Pointer(&cookie)),
0)
return cookie, ret != 0
}
func CloseHandle(hObject HANDLE) bool {
ret, _, _ := syscall.Syscall(closeHandle.Addr(), 1,
uintptr(hObject),
0,
0)
return ret != 0
}
func CreateActCtx(ctx *ACTCTX) HANDLE {
if ctx != nil {
ctx.size = uint32(unsafe.Sizeof(*ctx))
}
ret, _, _ := syscall.Syscall(
createActCtx.Addr(),
1,
uintptr(unsafe.Pointer(ctx)),
0,
0)
return HANDLE(ret)
}
func FileTimeToSystemTime(lpFileTime *FILETIME, lpSystemTime *SYSTEMTIME) bool {
ret, _, _ := syscall.Syscall(fileTimeToSystemTime.Addr(), 2,
uintptr(unsafe.Pointer(lpFileTime)),
uintptr(unsafe.Pointer(lpSystemTime)),
0)
return ret != 0
}
func FindResource(hModule HMODULE, lpName, lpType *uint16) HRSRC {
ret, _, _ := syscall.Syscall(findResource.Addr(), 3,
uintptr(hModule),
uintptr(unsafe.Pointer(lpName)),
uintptr(unsafe.Pointer(lpType)))
return HRSRC(ret)
}
func GetConsoleTitle(lpConsoleTitle *uint16, nSize uint32) uint32 {
ret, _, _ := syscall.Syscall(getConsoleTitle.Addr(), 2,
uintptr(unsafe.Pointer(lpConsoleTitle)),
uintptr(nSize),
0)
return uint32(ret)
}
func GetConsoleWindow() HWND {
ret, _, _ := syscall.Syscall(getConsoleWindow.Addr(), 0,
0,
0,
0)
return HWND(ret)
}
func GetCurrentThreadId() uint32 {
ret, _, _ := syscall.Syscall(getCurrentThreadId.Addr(), 0,
0,
0,
0)
return uint32(ret)
}
func GetLastError() uint32 {
ret, _, _ := syscall.Syscall(getLastError.Addr(), 0,
0,
0,
0)
return uint32(ret)
}
func GetLocaleInfo(Locale LCID, LCType LCTYPE, lpLCData *uint16, cchData int32) int32 {
ret, _, _ := syscall.Syscall6(getLocaleInfo.Addr(), 4,
uintptr(Locale),
uintptr(LCType),
uintptr(unsafe.Pointer(lpLCData)),
uintptr(cchData),
0,
0)
return int32(ret)
}
func GetLogicalDriveStrings(nBufferLength uint32, lpBuffer *uint16) uint32 {
ret, _, _ := syscall.Syscall(getLogicalDriveStrings.Addr(), 2,
uintptr(nBufferLength),
uintptr(unsafe.Pointer(lpBuffer)),
0)
return uint32(ret)
}
func GetModuleHandle(lpModuleName *uint16) HINSTANCE {
ret, _, _ := syscall.Syscall(getModuleHandle.Addr(), 1,
uintptr(unsafe.Pointer(lpModuleName)),
0,
0)
return HINSTANCE(ret)
}
func GetNumberFormat(Locale LCID, dwFlags uint32, lpValue *uint16, lpFormat *NUMBERFMT, lpNumberStr *uint16, cchNumber int32) int32 {
ret, _, _ := syscall.Syscall6(getNumberFormat.Addr(), 6,
uintptr(Locale),
uintptr(dwFlags),
uintptr(unsafe.Pointer(lpValue)),
uintptr(unsafe.Pointer(lpFormat)),
uintptr(unsafe.Pointer(lpNumberStr)),
uintptr(cchNumber))
return int32(ret)
}
func GetPhysicallyInstalledSystemMemory(totalMemoryInKilobytes *uint64) bool {
if getPhysicallyInstalledSystemMemory.Find() != nil {
return false
}
ret, _, _ := syscall.Syscall(getPhysicallyInstalledSystemMemory.Addr(), 1,
uintptr(unsafe.Pointer(totalMemoryInKilobytes)),
0,
0)
return ret != 0
}
func GetProfileString(lpAppName, lpKeyName, lpDefault *uint16, lpReturnedString uintptr, nSize uint32) bool {
ret, _, _ := syscall.Syscall6(getProfileString.Addr(), 5,
uintptr(unsafe.Pointer(lpAppName)),
uintptr(unsafe.Pointer(lpKeyName)),
uintptr(unsafe.Pointer(lpDefault)),
lpReturnedString,
uintptr(nSize),
0)
return ret != 0
}
func GetThreadLocale() LCID {
ret, _, _ := syscall.Syscall(getThreadLocale.Addr(), 0,
0,
0,
0)
return LCID(ret)
}
func GetThreadUILanguage() LANGID {
if getThreadUILanguage.Find() != nil {
return 0
}
ret, _, _ := syscall.Syscall(getThreadUILanguage.Addr(), 0,
0,
0,
0)
return LANGID(ret)
}
func GetVersion() uint32 {
ret, _, _ := syscall.Syscall(getVersion.Addr(), 0,
0,
0,
0)
return uint32(ret)
}
func GlobalAlloc(uFlags uint32, dwBytes uintptr) HGLOBAL {
ret, _, _ := syscall.Syscall(globalAlloc.Addr(), 2,
uintptr(uFlags),
dwBytes,
0)
return HGLOBAL(ret)
}
func GlobalFree(hMem HGLOBAL) HGLOBAL {
ret, _, _ := syscall.Syscall(globalFree.Addr(), 1,
uintptr(hMem),
0,
0)
return HGLOBAL(ret)
}
func GlobalLock(hMem HGLOBAL) unsafe.Pointer {
ret, _, _ := syscall.Syscall(globalLock.Addr(), 1,
uintptr(hMem),
0,
0)
return unsafe.Pointer(ret)
}
func GlobalUnlock(hMem HGLOBAL) bool {
ret, _, _ := syscall.Syscall(globalUnlock.Addr(), 1,
uintptr(hMem),
0,
0)
return ret != 0
}
func MoveMemory(destination, source unsafe.Pointer, length uintptr) {
syscall.Syscall(moveMemory.Addr(), 3,
uintptr(unsafe.Pointer(destination)),
uintptr(source),
uintptr(length))
}
func MulDiv(nNumber, nNumerator, nDenominator int32) int32 {
ret, _, _ := syscall.Syscall(mulDiv.Addr(), 3,
uintptr(nNumber),
uintptr(nNumerator),
uintptr(nDenominator))
return int32(ret)
}
func LoadResource(hModule HMODULE, hResInfo HRSRC) HGLOBAL {
ret, _, _ := syscall.Syscall(loadResource.Addr(), 2,
uintptr(hModule),
uintptr(hResInfo),
0)
return HGLOBAL(ret)
}
func LockResource(hResData HGLOBAL) uintptr {
ret, _, _ := syscall.Syscall(lockResource.Addr(), 1,
uintptr(hResData),
0,
0)
return ret
}
func SetLastError(dwErrorCode uint32) {
syscall.Syscall(setLastError.Addr(), 1,
uintptr(dwErrorCode),
0,
0)
}
func SizeofResource(hModule HMODULE, hResInfo HRSRC) uint32 {
ret, _, _ := syscall.Syscall(sizeofResource.Addr(), 2,
uintptr(hModule),
uintptr(hResInfo),
0)
return uint32(ret)
}
func SystemTimeToFileTime(lpSystemTime *SYSTEMTIME, lpFileTime *FILETIME) bool {
ret, _, _ := syscall.Syscall(systemTimeToFileTime.Addr(), 2,
uintptr(unsafe.Pointer(lpSystemTime)),
uintptr(unsafe.Pointer(lpFileTime)),
0)
return ret != 0
}
|
