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