Add vendor (steam)

vendor/github.com/Philipp15b/go-steam/rwu/rwu.go

@@ -0,0 +1,97 @@
+// Utilities for reading and writing of binary data
+package rwu
+
+import (
+	"encoding/binary"
+	"io"
+)
+
+func ReadBool(r io.Reader) (bool, error) {
+	var c uint8
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c != 0, err
+}
+
+func ReadUint8(r io.Reader) (uint8, error) {
+	var c uint8
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadUint16(r io.Reader) (uint16, error) {
+	var c uint16
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadUint32(r io.Reader) (uint32, error) {
+	var c uint32
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadUint64(r io.Reader) (uint64, error) {
+	var c uint64
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadInt8(r io.Reader) (int8, error) {
+	var c int8
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadInt16(r io.Reader) (int16, error) {
+	var c int16
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadInt32(r io.Reader) (int32, error) {
+	var c int32
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadInt64(r io.Reader) (int64, error) {
+	var c int64
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadString(r io.Reader) (string, error) {
+	c := make([]byte, 0)
+	var err error
+	for {
+		var b byte
+		err = binary.Read(r, binary.LittleEndian, &b)
+		if b == byte(0x0) || err != nil {
+			break
+		}
+		c = append(c, b)
+	}
+	return string(c), err
+}
+
+func ReadByte(r io.Reader) (byte, error) {
+	var c byte
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func ReadBytes(r io.Reader, num int32) ([]byte, error) {
+	c := make([]byte, num)
+	err := binary.Read(r, binary.LittleEndian, &c)
+	return c, err
+}
+
+func WriteBool(w io.Writer, b bool) error {
+	var err error
+	if b {
+		_, err = w.Write([]byte{1})
+	} else {
+		_, err = w.Write([]byte{0})
+	}
+	return err
+}