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psi: HasTime rather than chkTime

This commit is contained in:
saxon 2018-12-14 16:11:45 +10:30
parent ac11b281c5
commit 0b9f0f49fe
1 changed files with 3 additions and 3 deletions
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6
stream/mts/psi/op.go
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@ -45,7 +45,7 @@ func TimeBytes(t uint64) (s []byte) {
// ChkTime takes a psi as a byte slice and checks to see if it has a time descriptor // ChkTime takes a psi as a byte slice and checks to see if it has a time descriptor
// - if so return nil, otherwise return error // - if so return nil, otherwise return error
func ChkTime(p []byte) error { func HasTime(p []byte) error {
if p[timeTagIndx] != timeDescTag { if p[timeTagIndx] != timeDescTag {
return errors.New("PSI does not contain a time descriptor, cannot update") return errors.New("PSI does not contain a time descriptor, cannot update")
} }
@ -65,7 +65,7 @@ func HasLocation(p []byte) error {
// as an integer and attempts to update the time descriptor in the pmt with the // as an integer and attempts to update the time descriptor in the pmt with the
// given time if the time descriptor exists, otherwise an error is returned // given time if the time descriptor exists, otherwise an error is returned
func UpdateTime(d []byte, t uint64) error { func UpdateTime(d []byte, t uint64) error {
err := ChkTime(d) err := HasTime(d)
if err != nil { if err != nil {
return err return err
} }
@ -81,7 +81,7 @@ func UpdateTime(d []byte, t uint64) error {
// timestamp, returning as a uint64 if it exists, otherwise returning 0 and nil // timestamp, returning as a uint64 if it exists, otherwise returning 0 and nil
// if it does not exist // if it does not exist
func TimeFrom(p []byte) (t uint64, err error) { func TimeFrom(p []byte) (t uint64, err error) {
err = ChkTime(p) err = HasTime(p)
if err != nil { if err != nil {
return 0, err return 0, err
} }