Files
tinygo/src/internal/binary/binary.go
T
Ayke van Laethem 1270a50104 machine: use new internal/binary package
The encoding/binary package in Go 1.23 imports the slices package, which
results in circular import when imported from the machine package.
Therefore, encoding/binary cannot be used in the machine package.

This commit fixes that by introducing a new internal/binary package that
is just plain Go code without dependencies. It can be safely used
anywhere (including the runtime if needed).
2024-06-24 21:21:52 +02:00

33 lines
865 B
Go

// Package binary is a lightweight replacement package for encoding/binary.
package binary
// This file contains small helper functions for working with binary data.
var LittleEndian = littleEndian{}
type littleEndian struct{}
// Encode data like encoding/binary.LittleEndian.Uint16.
func (littleEndian) Uint16(b []byte) uint16 {
return uint16(b[0]) | uint16(b[1])<<8
}
// Store data like binary.LittleEndian.PutUint16.
func (littleEndian) PutUint16(b []byte, v uint16) {
b[0] = byte(v)
b[1] = byte(v >> 8)
}
// Append data like binary.LittleEndian.AppendUint16.
func (littleEndian) AppendUint16(b []byte, v uint16) []byte {
return append(b,
byte(v),
byte(v>>8),
)
}
// Encode data like encoding/binary.LittleEndian.Uint32.
func (littleEndian) Uint32(b []byte) uint32 {
return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
}