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windows: add GetFinalPathNameByHandleW

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https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew

Fixes #41686

Change-Id: I207676364a3abc8658498bcd060c8f9694161867
Reviewed-on: https://go-review.googlesource.com/c/sys/+/264577
Trust: Meng Zhuo <mzh@golangcn.org>
Run-TryBot: Meng Zhuo <mzh@golangcn.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Meng Zhuo
2020-10-28 14:35:39 +08:00
parent c5abc1b1d3
commit 3518587229
2 changed files with 11 additions and 0 deletions
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1
windows/syscall_windows.go
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@@ -350,6 +350,7 @@ func NewCallbackCDecl(fn interface{}) uintptr {
//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
//sys GetFinalPathNameByHandleW(file syscall.Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW
// Process Status API (PSAPI)
//sys EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses

10
windows/zsyscall_windows.go
View File

@@ -209,6 +209,7 @@ var (
procGetFileInformationByHandle = modkernel32.NewProc("GetFileInformationByHandle")
procGetFileInformationByHandleEx = modkernel32.NewProc("GetFileInformationByHandleEx")
procGetFileType = modkernel32.NewProc("GetFileType")
procGetFinalPathNameByHandleW = modkernel32.NewProc("GetFinalPathNameByHandleW")
procGetFullPathNameW = modkernel32.NewProc("GetFullPathNameW")
procGetLastError = modkernel32.NewProc("GetLastError")
procGetLogicalDriveStringsW = modkernel32.NewProc("GetLogicalDriveStringsW")
@@ -1717,6 +1718,15 @@ func GetFileType(filehandle Handle) (n uint32, err error) {
return
}
func GetFinalPathNameByHandleW(file syscall.Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) {
r0, _, e1 := syscall.Syscall6(procGetFinalPathNameByHandleW.Addr(), 4, uintptr(file), uintptr(unsafe.Pointer(filePath)), uintptr(filePathSize), uintptr(flags), 0, 0)
n = uint32(r0)
if n == 0 {
err = errnoErr(e1)
}
return
}
func GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) {
r0, _, e1 := syscall.Syscall6(procGetFullPathNameW.Addr(), 4, uintptr(unsafe.Pointer(path)), uintptr(buflen), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(fname)), 0, 0)
n = uint32(r0)