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package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"time"
)
// StatT type contains status of a file. It contains metadata
// like permission, size, etc about a file.
type StatT struct {
mode os.FileMode
size int64
mtim time.Time
}
// Size returns file's size.
func (s StatT) Size() int64 {
return s.size
}
// Mode returns file's permission mode.
func (s StatT) Mode() os.FileMode {
return os.FileMode(s.mode)
}
// Mtim returns file's last modification time.
func (s StatT) Mtim() time.Time {
return time.Time(s.mtim)
}
// Stat takes a path to a file and returns
// a system.StatT type pertaining to that file.
//
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
fi, err := os.Stat(path)
if err != nil {
return nil, err
}
return fromStatT(&fi)
}
// fromStatT converts a os.FileInfo type to a system.StatT type
func fromStatT(fi *os.FileInfo) (*StatT, error) {
return &StatT{
size: (*fi).Size(),
mode: (*fi).Mode(),
mtim: (*fi).ModTime()}, nil
}
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