frostfs-api-go/v2/refs/marshal.go

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package refs
import (
"encoding/binary"
"math/bits"
)
func (m *OwnerID) StableMarshal(buf []byte) ([]byte, error) {
if m == nil {
return []byte{}, nil
}
if buf == nil {
buf = make([]byte, m.StableSize())
}
var (
i, n, offset int
)
// Write key field.
buf[i] = 0x0A // id:0x1 << 3 | wiretype:0x2
offset = binary.PutUvarint(buf[i+1:], uint64(len(m.Value)))
n = copy(buf[i+1+offset:], m.Value)
i += 1 + offset + n
return buf, nil
}
func (m *OwnerID) StableSize() int {
if m == nil {
return 0
}
var (
ln, size int
)
ln = len(m.Value) // size of key field
size += 1 + uvarIntSize(uint64(ln)) + ln // wiretype + size of string + string
return size
}
// uvarIntSize returns length of varint byte sequence for uint64 value 'x'.
func uvarIntSize(x uint64) int {
return (bits.Len64(x|1) + 6) / 7
}