important stuff first please
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eed777ebfd
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@ -11,37 +11,6 @@ import (
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"os"
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)
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func getU16BE(r io.Reader, b []byte) (uint16, error) {
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_, err := io.ReadFull(r, b[0:2])
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if err != nil {
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return 0, err
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}
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return uint16(b[0])<<8 + uint16(b[1]), nil
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}
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func getBytes(r io.Reader, b []byte) ([]byte, error) {
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n, err := getU16BE(r, b)
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if err != nil {
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return nil, err
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}
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if int(n) > len(b) {
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return nil, errors.New("bytes too long for buffer")
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}
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_, err = io.ReadFull(r, b[0:n])
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if err != nil {
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return nil, err
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}
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return b[0:n], nil
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}
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func getString(r io.Reader, b []byte) (string, error) {
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b, err := getBytes(r, b)
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if err != nil {
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return "", err
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}
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return string(b), nil
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}
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// readAuthority reads the X authority file for the DISPLAY.
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// If hostname == "" or hostname == "localhost",
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// then use the system's hostname (as returned by os.Hostname) instead.
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@ -111,3 +80,34 @@ func readAuthority(hostname, display string) (
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}
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panic("unreachable")
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}
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func getU16BE(r io.Reader, b []byte) (uint16, error) {
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_, err := io.ReadFull(r, b[0:2])
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if err != nil {
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return 0, err
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}
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return uint16(b[0])<<8 + uint16(b[1]), nil
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}
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func getBytes(r io.Reader, b []byte) ([]byte, error) {
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n, err := getU16BE(r, b)
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if err != nil {
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return nil, err
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}
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if int(n) > len(b) {
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return nil, errors.New("bytes too long for buffer")
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}
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_, err = io.ReadFull(r, b[0:n])
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if err != nil {
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return nil, err
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}
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return b[0:n], nil
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}
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func getString(r io.Reader, b []byte) (string, error) {
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b, err := getBytes(r, b)
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if err != nil {
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return "", err
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}
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return string(b), nil
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}
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