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31 lines
1.1 KiB
Go
31 lines
1.1 KiB
Go
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package winio
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import (
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"os"
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"syscall"
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"unsafe"
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)
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//sys getFileInformationByHandleEx(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = GetFileInformationByHandleEx
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//sys setFileInformationByHandle(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = SetFileInformationByHandle
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type FileBasicInfo struct {
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CreationTime, LastAccessTime, LastWriteTime, ChangeTime syscall.Filetime
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FileAttributes uintptr // includes padding
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}
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func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) {
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bi := &FileBasicInfo{}
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if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), 0, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
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return nil, &os.PathError{"GetFileInformationByHandleEx", f.Name(), err}
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}
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return bi, nil
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}
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func SetFileBasicInfo(f *os.File, bi *FileBasicInfo) error {
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if err := setFileInformationByHandle(syscall.Handle(f.Fd()), 0, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
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return &os.PathError{"SetFileInformationByHandle", f.Name(), err}
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}
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return nil
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}
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