You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
v2ray-core/common/serial/numbers.go

68 lines
1.5 KiB

package serial
import "strconv"
import "io"
// Uint16ToBytes serializes a uint16 into bytes in big endian order.
func Uint16ToBytes(value uint16, b []byte) []byte {
return append(b, byte(value>>8), byte(value))
}
func Uint16ToString(value uint16) string {
return strconv.Itoa(int(value))
}
func ReadUint16(reader io.Reader) (uint16, error) {
var b [2]byte
if _, err := io.ReadFull(reader, b[:]); err != nil {
return 0, err
}
return BytesToUint16(b[:]), nil
}
func WriteUint16(value uint16) func([]byte) (int, error) {
return func(b []byte) (int, error) {
Uint16ToBytes(value, b[:0])
return 2, nil
}
}
func Uint32ToBytes(value uint32, b []byte) []byte {
return append(b, byte(value>>24), byte(value>>16), byte(value>>8), byte(value))
}
func Uint32ToString(value uint32) string {
return strconv.FormatUint(uint64(value), 10)
}
func WriteUint32(value uint32) func([]byte) (int, error) {
return func(b []byte) (int, error) {
Uint32ToBytes(value, b[:0])
return 4, nil
}
}
func IntToBytes(value int, b []byte) []byte {
return append(b, byte(value>>24), byte(value>>16), byte(value>>8), byte(value))
}
func IntToString(value int) string {
return Int64ToString(int64(value))
}
func Int64ToBytes(value int64, b []byte) []byte {
return append(b,
byte(value>>56),
byte(value>>48),
byte(value>>40),
byte(value>>32),
byte(value>>24),
byte(value>>16),
byte(value>>8),
byte(value))
}
func Int64ToString(value int64) string {
return strconv.FormatInt(value, 10)
}