/
packing.go
77 lines (64 loc) · 1.78 KB
/
packing.go
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package gopwn
import (
"encoding/binary"
)
// P16L packs a uint16 into a byte slice in little endian format
func P16L(i uint16) []byte {
b := make([]byte, 2)
binary.LittleEndian.PutUint16(b, i)
return b
}
// P16L packs a uint16 into a byte slice in big endian format
func P16B(i uint16) []byte {
b := make([]byte, 2)
binary.BigEndian.PutUint16(b, i)
return b
}
// P32L packs a uint32 into a byte slice in little endian format
func P32L(i uint32) []byte {
b := make([]byte, 4)
binary.LittleEndian.PutUint32(b, i)
return b
}
// P32L packs a uint32 into a byte slice in big endian format
func P32B(i uint32) []byte {
b := make([]byte, 4)
binary.BigEndian.PutUint32(b, i)
return b
}
// P64L packs a uint64 into a byte slice in little endian format
func P64L(i uint64) []byte {
b := make([]byte, 8)
binary.LittleEndian.PutUint64(b, i)
return b
}
// P32L packs a uint32 into a byte slice in big endian format
func P64B(i uint64) []byte {
b := make([]byte, 8)
binary.BigEndian.PutUint64(b, i)
return b
}
// U16L unpacks a byte slice in little endian format into a uint16
func U16L(b []byte) uint16 {
return binary.LittleEndian.Uint16(b)
}
// U16L unpacks a byte slice in big endian format into a uint16
func U16B(b []byte) uint16 {
return binary.BigEndian.Uint16(b)
}
// U32L unpacks a byte slice in little endian format into a uint32
func U32L(b []byte) uint32 {
return binary.LittleEndian.Uint32(b)
}
// U32L unpacks a byte slice in big endian format into a uint32
func U32B(b []byte) uint32 {
return binary.BigEndian.Uint32(b)
}
// U64L unpacks a byte slice in little endian format into a uint64
func U64L(b []byte) uint64 {
return binary.LittleEndian.Uint64(b)
}
// U64L unpacks a byte slice in big endian format into a uint64
func U64B(b []byte) uint64 {
return binary.BigEndian.Uint64(b)
}