32 lines
755 B
Go
32 lines
755 B
Go
package system
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import (
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"os"
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"time"
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)
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// Chtimes changes the access time and modified time of a file at the given path
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func Chtimes(name string, atime time.Time, mtime time.Time) error {
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unixMinTime := time.Unix(0, 0)
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// The max Unix time is 33 bits set
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unixMaxTime := unixMinTime.Add((1<<33 - 1) * time.Second)
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// If the modified time is prior to the Unix Epoch, or after the
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// end of Unix Time, os.Chtimes has undefined behavior
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// default to Unix Epoch in this case, just in case
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if atime.Before(unixMinTime) || atime.After(unixMaxTime) {
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atime = unixMinTime
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}
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if mtime.Before(unixMinTime) || mtime.After(unixMaxTime) {
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mtime = unixMinTime
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}
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if err := os.Chtimes(name, atime, mtime); err != nil {
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return err
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}
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return nil
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}
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