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// Package times provides a platform-independent way to get atime, mtime, ctime and btime for files.
package times
import (
"os"
"time"
)
// Get returns the Timespec for the given FileInfo
func Get(fi os.FileInfo) Timespec {
return getTimespec(fi)
}
// Stat returns the Timespec for the given filename.
func Stat(name string) (Timespec, error) {
if hasPlatformSpecificStat {
if ts, err := platformSpecficStat(name); err == nil {
return ts, nil
}
}
fi, err := os.Stat(name)
if err != nil {
return nil, err
}
return getTimespec(fi), nil
}
// Timespec provides access to file times.
// ChangeTime() panics unless HasChangeTime() is true and
// BirthTime() panics unless HasBirthTime() is true.
type Timespec interface {
ModTime() time.Time
AccessTime() time.Time
ChangeTime() time.Time
BirthTime() time.Time
HasChangeTime() bool
HasBirthTime() bool
}
type atime struct {
v time.Time
}
func (a atime) AccessTime() time.Time { return a.v }
type ctime struct {
v time.Time
}
func (ctime) HasChangeTime() bool { return true }
func (c ctime) ChangeTime() time.Time { return c.v }
type mtime struct {
v time.Time
}
func (m mtime) ModTime() time.Time { return m.v }
type btime struct {
v time.Time
}
func (btime) HasBirthTime() bool { return true }
func (b btime) BirthTime() time.Time { return b.v }
type noctime struct{}
func (noctime) HasChangeTime() bool { return false }
func (noctime) ChangeTime() time.Time { panic("ctime not available") }
type nobtime struct{}
func (nobtime) HasBirthTime() bool { return false }
func (nobtime) BirthTime() time.Time { panic("birthtime not available") }
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