mirror of
https://github.com/golang/sys.git
synced 2026-02-08 03:36:03 +03:00
windows: add Volume Management functions
Change-Id: I6e587cf1b7e8532f45df03bf94e209aafe8f81fd Reviewed-on: https://go-review.googlesource.com/78235 Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Scott Crunkleton
committed by
Alex Brainman
Alex Brainman
parent
bf42f188b9
commit
0dd5e194bb
@@ -16,7 +16,46 @@ import (
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type Handle uintptr
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const InvalidHandle = ^Handle(0)
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const (
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InvalidHandle = ^Handle(0)
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// Flags for DefineDosDevice.
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DDD_EXACT_MATCH_ON_REMOVE = 0x00000004
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DDD_NO_BROADCAST_SYSTEM = 0x00000008
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DDD_RAW_TARGET_PATH = 0x00000001
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DDD_REMOVE_DEFINITION = 0x00000002
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// Return values for GetDriveType.
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DRIVE_UNKNOWN = 0
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DRIVE_NO_ROOT_DIR = 1
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DRIVE_REMOVABLE = 2
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DRIVE_FIXED = 3
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DRIVE_REMOTE = 4
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DRIVE_CDROM = 5
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DRIVE_RAMDISK = 6
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// File system flags from GetVolumeInformation and GetVolumeInformationByHandle.
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FILE_CASE_SENSITIVE_SEARCH = 0x00000001
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FILE_CASE_PRESERVED_NAMES = 0x00000002
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FILE_FILE_COMPRESSION = 0x00000010
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FILE_DAX_VOLUME = 0x20000000
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FILE_NAMED_STREAMS = 0x00040000
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FILE_PERSISTENT_ACLS = 0x00000008
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FILE_READ_ONLY_VOLUME = 0x00080000
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FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000
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FILE_SUPPORTS_ENCRYPTION = 0x00020000
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FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000
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FILE_SUPPORTS_HARD_LINKS = 0x00400000
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FILE_SUPPORTS_OBJECT_IDS = 0x00010000
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FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000
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FILE_SUPPORTS_REPARSE_POINTS = 0x00000080
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FILE_SUPPORTS_SPARSE_FILES = 0x00000040
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FILE_SUPPORTS_TRANSACTIONS = 0x00200000
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FILE_SUPPORTS_USN_JOURNAL = 0x02000000
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FILE_UNICODE_ON_DISK = 0x00000004
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FILE_VOLUME_IS_COMPRESSED = 0x00008000
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FILE_VOLUME_QUOTAS = 0x00000020
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)
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// StringToUTF16 is deprecated. Use UTF16FromString instead.
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// If s contains a NUL byte this function panics instead of
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@@ -200,6 +239,27 @@ func NewCallbackCDecl(fn interface{}) uintptr {
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//sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent
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//sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent
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// Volume Management Functions
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//sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW
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//sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW
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//sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW
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//sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW
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//sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW
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//sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW
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//sys FindVolumeClose(findVolume Handle) (err error)
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//sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error)
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//sys GetDriveType(rootPathName *uint16) (driveType uint32)
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//sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0]
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//sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW
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//sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW
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//sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW
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//sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW
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//sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW
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//sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW
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//sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW
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//sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW
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//sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW
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// syscall interface implementation for other packages
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// GetProcAddressByOrdinal retrieves the address of the exported
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@@ -178,6 +178,25 @@ var (
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procSetEvent = modkernel32.NewProc("SetEvent")
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procResetEvent = modkernel32.NewProc("ResetEvent")
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procPulseEvent = modkernel32.NewProc("PulseEvent")
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procDefineDosDeviceW = modkernel32.NewProc("DefineDosDeviceW")
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procDeleteVolumeMountPointW = modkernel32.NewProc("DeleteVolumeMountPointW")
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procFindFirstVolumeW = modkernel32.NewProc("FindFirstVolumeW")
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procFindFirstVolumeMountPointW = modkernel32.NewProc("FindFirstVolumeMountPointW")
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procFindNextVolumeW = modkernel32.NewProc("FindNextVolumeW")
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procFindNextVolumeMountPointW = modkernel32.NewProc("FindNextVolumeMountPointW")
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procFindVolumeClose = modkernel32.NewProc("FindVolumeClose")
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procFindVolumeMountPointClose = modkernel32.NewProc("FindVolumeMountPointClose")
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procGetDriveType = modkernel32.NewProc("GetDriveType")
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procGetLogicalDrives = modkernel32.NewProc("GetLogicalDrives")
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procGetLogicalDriveStringsW = modkernel32.NewProc("GetLogicalDriveStringsW")
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procGetVolumeInformationW = modkernel32.NewProc("GetVolumeInformationW")
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procGetVolumeInformationByHandleW = modkernel32.NewProc("GetVolumeInformationByHandleW")
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procGetVolumeNameForVolumeMountPointW = modkernel32.NewProc("GetVolumeNameForVolumeMountPointW")
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procGetVolumePathNameW = modkernel32.NewProc("GetVolumePathNameW")
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procGetVolumePathNamesForVolumeNameW = modkernel32.NewProc("GetVolumePathNamesForVolumeNameW")
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procQueryDosDeviceW = modkernel32.NewProc("QueryDosDeviceW")
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procSetVolumeLabelW = modkernel32.NewProc("SetVolumeLabelW")
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procSetVolumeMountPointW = modkernel32.NewProc("SetVolumeMountPointW")
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procWSAStartup = modws2_32.NewProc("WSAStartup")
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procWSACleanup = modws2_32.NewProc("WSACleanup")
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procWSAIoctl = modws2_32.NewProc("WSAIoctl")
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@@ -1843,6 +1862,233 @@ func PulseEvent(event Handle) (err error) {
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return
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}
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func DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) {
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r1, _, e1 := syscall.Syscall(procDefineDosDeviceW.Addr(), 3, uintptr(flags), uintptr(unsafe.Pointer(deviceName)), uintptr(unsafe.Pointer(targetPath)))
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) {
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r1, _, e1 := syscall.Syscall(procDeleteVolumeMountPointW.Addr(), 1, uintptr(unsafe.Pointer(volumeMountPoint)), 0, 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) {
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r0, _, e1 := syscall.Syscall(procFindFirstVolumeW.Addr(), 2, uintptr(unsafe.Pointer(volumeName)), uintptr(bufferLength), 0)
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handle = Handle(r0)
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if handle == InvalidHandle {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) {
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r0, _, e1 := syscall.Syscall(procFindFirstVolumeMountPointW.Addr(), 3, uintptr(unsafe.Pointer(rootPathName)), uintptr(unsafe.Pointer(volumeMountPoint)), uintptr(bufferLength))
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handle = Handle(r0)
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if handle == InvalidHandle {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) {
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r1, _, e1 := syscall.Syscall(procFindNextVolumeW.Addr(), 3, uintptr(findVolume), uintptr(unsafe.Pointer(volumeName)), uintptr(bufferLength))
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) {
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r1, _, e1 := syscall.Syscall(procFindNextVolumeMountPointW.Addr(), 3, uintptr(findVolumeMountPoint), uintptr(unsafe.Pointer(volumeMountPoint)), uintptr(bufferLength))
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func FindVolumeClose(findVolume Handle) (err error) {
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r1, _, e1 := syscall.Syscall(procFindVolumeClose.Addr(), 1, uintptr(findVolume), 0, 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error) {
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r1, _, e1 := syscall.Syscall(procFindVolumeMountPointClose.Addr(), 1, uintptr(findVolumeMountPoint), 0, 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetDriveType(rootPathName *uint16) (driveType uint32) {
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r0, _, _ := syscall.Syscall(procGetDriveType.Addr(), 1, uintptr(unsafe.Pointer(rootPathName)), 0, 0)
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driveType = uint32(r0)
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return
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}
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func GetLogicalDrives() (drivesBitMask uint32, err error) {
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r0, _, e1 := syscall.Syscall(procGetLogicalDrives.Addr(), 0, 0, 0, 0)
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drivesBitMask = uint32(r0)
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if drivesBitMask == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) {
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r0, _, e1 := syscall.Syscall(procGetLogicalDriveStringsW.Addr(), 2, uintptr(bufferLength), uintptr(unsafe.Pointer(buffer)), 0)
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n = uint32(r0)
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if n == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) {
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r1, _, e1 := syscall.Syscall9(procGetVolumeInformationW.Addr(), 8, uintptr(unsafe.Pointer(rootPathName)), uintptr(unsafe.Pointer(volumeNameBuffer)), uintptr(volumeNameSize), uintptr(unsafe.Pointer(volumeNameSerialNumber)), uintptr(unsafe.Pointer(maximumComponentLength)), uintptr(unsafe.Pointer(fileSystemFlags)), uintptr(unsafe.Pointer(fileSystemNameBuffer)), uintptr(fileSystemNameSize), 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) {
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r1, _, e1 := syscall.Syscall9(procGetVolumeInformationByHandleW.Addr(), 8, uintptr(file), uintptr(unsafe.Pointer(volumeNameBuffer)), uintptr(volumeNameSize), uintptr(unsafe.Pointer(volumeNameSerialNumber)), uintptr(unsafe.Pointer(maximumComponentLength)), uintptr(unsafe.Pointer(fileSystemFlags)), uintptr(unsafe.Pointer(fileSystemNameBuffer)), uintptr(fileSystemNameSize), 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) {
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r1, _, e1 := syscall.Syscall(procGetVolumeNameForVolumeMountPointW.Addr(), 3, uintptr(unsafe.Pointer(volumeMountPoint)), uintptr(unsafe.Pointer(volumeName)), uintptr(bufferlength))
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) {
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r1, _, e1 := syscall.Syscall(procGetVolumePathNameW.Addr(), 3, uintptr(unsafe.Pointer(fileName)), uintptr(unsafe.Pointer(volumePathName)), uintptr(bufferLength))
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) {
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r1, _, e1 := syscall.Syscall6(procGetVolumePathNamesForVolumeNameW.Addr(), 4, uintptr(unsafe.Pointer(volumeName)), uintptr(unsafe.Pointer(volumePathNames)), uintptr(bufferLength), uintptr(unsafe.Pointer(returnLength)), 0, 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) {
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r0, _, e1 := syscall.Syscall(procQueryDosDeviceW.Addr(), 3, uintptr(unsafe.Pointer(deviceName)), uintptr(unsafe.Pointer(targetPath)), uintptr(max))
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n = uint32(r0)
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if n == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) {
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r1, _, e1 := syscall.Syscall(procSetVolumeLabelW.Addr(), 2, uintptr(unsafe.Pointer(rootPathName)), uintptr(unsafe.Pointer(volumeName)), 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) {
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r1, _, e1 := syscall.Syscall(procSetVolumeMountPointW.Addr(), 2, uintptr(unsafe.Pointer(volumeMountPoint)), uintptr(unsafe.Pointer(volumeName)), 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func WSAStartup(verreq uint32, data *WSAData) (sockerr error) {
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r0, _, _ := syscall.Syscall(procWSAStartup.Addr(), 2, uintptr(verreq), uintptr(unsafe.Pointer(data)), 0)
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if r0 != 0 {
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