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v2fly/common/serial/numbers.go

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package serial
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import "strconv"
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// Uint16ToBytes serializes an uint16 into bytes in big endian order.
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func Uint16ToBytes(value uint16, b []byte) []byte {
return append(b, byte(value>>8), byte(value))
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}
func Uint16ToString(value uint16) string {
return strconv.Itoa(int(value))
}
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func WriteUint16(value uint16) func([]byte) (int, error) {
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return func(b []byte) (int, error) {
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b = Uint16ToBytes(value, b[:0])
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return 2, nil
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}
}
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func Uint32ToBytes(value uint32, b []byte) []byte {
return append(b, byte(value>>24), byte(value>>16), byte(value>>8), byte(value))
}
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func Uint32ToString(value uint32) string {
return strconv.FormatUint(uint64(value), 10)
}
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func WriteUint32(value uint32) func([]byte) (int, error) {
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return func(b []byte) (int, error) {
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b = Uint32ToBytes(value, b[:0])
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return 4, nil
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}
}
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func IntToBytes(value int, b []byte) []byte {
return append(b, byte(value>>24), byte(value>>16), byte(value>>8), byte(value))
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}
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func IntToString(value int) string {
return Int64ToString(int64(value))
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}
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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))
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}
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func Int64ToString(value int64) string {
return strconv.FormatInt(value, 10)
}