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x/sys/windows: Add GetComputerNameEx

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Provides access to the GetComputerNameEx syscall.

This mirrors the change golang.org/cl/5852 in the standard library, but
provides public access to all name types provided by windows.

Change-Id: I5fbad5abe721de70e9d2b5dda2fafb7a9c419220
Reviewed-on: https://go-review.googlesource.com/6320
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Carlos Castillo
2015-02-27 04:46:26 -08:00
committed by Alex Brainman
parent fb0c33c555
commit 5b683257ff
3 changed files with 29 additions and 2 deletions
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1
windows/syscall_windows.go
View File

@@ -104,6 +104,7 @@ func NewCallbackCDecl(fn interface{}) uintptr
//sys DeleteFile(path *uint16) (err error) = DeleteFileW
//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW
//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 GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]

18
windows/zsyscall_windows.go
View File

@@ -1,11 +1,12 @@
// go build mksyscall_windows.go && ./mksyscall_windows syscall_windows.go security_windows.go
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT
package windows
import "unsafe"
import "syscall"
var _ unsafe.Pointer
var (
modkernel32 = syscall.NewLazyDLL("kernel32.dll")
modadvapi32 = syscall.NewLazyDLL("advapi32.dll")
@@ -43,6 +44,7 @@ var (
procDeleteFileW = modkernel32.NewProc("DeleteFileW")
procMoveFileW = modkernel32.NewProc("MoveFileW")
procGetComputerNameW = modkernel32.NewProc("GetComputerNameW")
procGetComputerNameExW = modkernel32.NewProc("GetComputerNameExW")
procSetEndOfFile = modkernel32.NewProc("SetEndOfFile")
procGetSystemTimeAsFileTime = modkernel32.NewProc("GetSystemTimeAsFileTime")
procGetTimeZoneInformation = modkernel32.NewProc("GetTimeZoneInformation")
@@ -479,6 +481,18 @@ func GetComputerName(buf *uint16, n *uint32) (err error) {
return
}
func GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) {
r1, _, e1 := syscall.Syscall(procGetComputerNameExW.Addr(), 3, uintptr(nametype), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(n)))
if r1 == 0 {
if e1 != 0 {
err = error(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func SetEndOfFile(handle Handle) (err error) {
r1, _, e1 := syscall.Syscall(procSetEndOfFile.Addr(), 1, uintptr(handle), 0, 0)
if r1 == 0 {

12
windows/ztypes_windows.go
View File

@@ -1108,3 +1108,15 @@ const (
IO_REPARSE_TAG_SYMLINK = 0xA000000C
SYMBOLIC_LINK_FLAG_DIRECTORY = 0x1
)
const (
ComputerNameNetBIOS = 0
ComputerNameDnsHostname = 1
ComputerNameDnsDomain = 2
ComputerNameDnsFullyQualified = 3
ComputerNamePhysicalNetBIOS = 4
ComputerNamePhysicalDnsHostname = 5
ComputerNamePhysicalDnsDomain = 6
ComputerNamePhysicalDnsFullyQualified = 7
ComputerNameMax = 8
)