24 lines
555 B
Go
24 lines
555 B
Go
package pq
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import (
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"encoding/hex"
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"fmt"
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)
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// decodeUUIDBinary interprets the binary format of a uuid, returning it in text format.
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func decodeUUIDBinary(src []byte) ([]byte, error) {
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if len(src) != 16 {
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return nil, fmt.Errorf("pq: unable to decode uuid; bad length: %d", len(src))
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}
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dst := make([]byte, 36)
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dst[8], dst[13], dst[18], dst[23] = '-', '-', '-', '-'
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hex.Encode(dst[0:], src[0:4])
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hex.Encode(dst[9:], src[4:6])
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hex.Encode(dst[14:], src[6:8])
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hex.Encode(dst[19:], src[8:10])
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hex.Encode(dst[24:], src[10:16])
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return dst, nil
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}
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