Files
go-i2p/lib/common/integer.go
2016-02-14 23:10:37 -08:00

32 lines
539 B
Go

package common
/*
I2P Integer
https://geti2p.net/en/docs/spec/common-structures#type_Integer
Accurate for version 0.9.24
*/
import (
"encoding/binary"
)
const (
INTEGER_SIZE = 8
)
//
// Interpret a slice of bytes from length 0 to length 8 as a big-endian
// integer and return an int representation.
//
func Integer(number []byte) (value int) {
num_len := len(number)
if num_len < INTEGER_SIZE {
number = append(
make([]byte, INTEGER_SIZE-num_len),
number...,
)
}
value = int(binary.BigEndian.Uint64(number))
return
}