github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/pkg/system/chtimes.go (about)

     1  package system // import "github.com/demonoid81/moby/pkg/system"
     2  
     3  import (
     4  	"os"
     5  	"time"
     6  )
     7  
     8  // Chtimes changes the access time and modified time of a file at the given path
     9  func Chtimes(name string, atime time.Time, mtime time.Time) error {
    10  	unixMinTime := time.Unix(0, 0)
    11  	unixMaxTime := maxTime
    12  
    13  	// If the modified time is prior to the Unix Epoch, or after the
    14  	// end of Unix Time, os.Chtimes has undefined behavior
    15  	// default to Unix Epoch in this case, just in case
    16  
    17  	if atime.Before(unixMinTime) || atime.After(unixMaxTime) {
    18  		atime = unixMinTime
    19  	}
    20  
    21  	if mtime.Before(unixMinTime) || mtime.After(unixMaxTime) {
    22  		mtime = unixMinTime
    23  	}
    24  
    25  	if err := os.Chtimes(name, atime, mtime); err != nil {
    26  		return err
    27  	}
    28  
    29  	// Take platform specific action for setting create time.
    30  	return setCTime(name, mtime)
    31  }