diff options
Diffstat (limited to 'vendor/github.com/Microsoft/go-winio/fileinfo.go')
| -rw-r--r-- | vendor/github.com/Microsoft/go-winio/fileinfo.go | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/vendor/github.com/Microsoft/go-winio/fileinfo.go b/vendor/github.com/Microsoft/go-winio/fileinfo.go index ada2fbab6..3ab6bff69 100644 --- a/vendor/github.com/Microsoft/go-winio/fileinfo.go +++ b/vendor/github.com/Microsoft/go-winio/fileinfo.go @@ -5,21 +5,14 @@ package winio import ( "os" "runtime" - "syscall" "unsafe" -) - -//sys getFileInformationByHandleEx(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = GetFileInformationByHandleEx -//sys setFileInformationByHandle(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = SetFileInformationByHandle -const ( - fileBasicInfo = 0 - fileIDInfo = 0x12 + "golang.org/x/sys/windows" ) // FileBasicInfo contains file access time and file attributes information. type FileBasicInfo struct { - CreationTime, LastAccessTime, LastWriteTime, ChangeTime syscall.Filetime + CreationTime, LastAccessTime, LastWriteTime, ChangeTime windows.Filetime FileAttributes uint32 pad uint32 // padding } @@ -27,7 +20,7 @@ type FileBasicInfo struct { // GetFileBasicInfo retrieves times and attributes for a file. func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) { bi := &FileBasicInfo{} - if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil { + if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil { return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err} } runtime.KeepAlive(f) @@ -36,13 +29,32 @@ func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) { // SetFileBasicInfo sets times and attributes for a file. func SetFileBasicInfo(f *os.File, bi *FileBasicInfo) error { - if err := setFileInformationByHandle(syscall.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil { + if err := windows.SetFileInformationByHandle(windows.Handle(f.Fd()), windows.FileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil { return &os.PathError{Op: "SetFileInformationByHandle", Path: f.Name(), Err: err} } runtime.KeepAlive(f) return nil } +// FileStandardInfo contains extended information for the file. +// FILE_STANDARD_INFO in WinBase.h +// https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_standard_info +type FileStandardInfo struct { + AllocationSize, EndOfFile int64 + NumberOfLinks uint32 + DeletePending, Directory bool +} + +// GetFileStandardInfo retrieves ended information for the file. +func GetFileStandardInfo(f *os.File) (*FileStandardInfo, error) { + si := &FileStandardInfo{} + if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileStandardInfo, (*byte)(unsafe.Pointer(si)), uint32(unsafe.Sizeof(*si))); err != nil { + return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err} + } + runtime.KeepAlive(f) + return si, nil +} + // FileIDInfo contains the volume serial number and file ID for a file. This pair should be // unique on a system. type FileIDInfo struct { @@ -53,7 +65,7 @@ type FileIDInfo struct { // GetFileID retrieves the unique (volume, file ID) pair for a file. func GetFileID(f *os.File) (*FileIDInfo, error) { fileID := &FileIDInfo{} - if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), fileIDInfo, (*byte)(unsafe.Pointer(fileID)), uint32(unsafe.Sizeof(*fileID))); err != nil { + if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileIdInfo, (*byte)(unsafe.Pointer(fileID)), uint32(unsafe.Sizeof(*fileID))); err != nil { return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err} } runtime.KeepAlive(f) |