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important stuff first please

This commit is contained in:
Andrew Gallant (Ocelot) 2012-05-07 04:17:11 -04:00
parent eed777ebfd
commit daad54a5e1
1 changed files with 31 additions and 31 deletions
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62
nexgb/auth.go
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@ -11,37 +11,6 @@ import (
"os"
)
func getU16BE(r io.Reader, b []byte) (uint16, error) {
_, err := io.ReadFull(r, b[0:2])
if err != nil {
return 0, err
}
return uint16(b[0])<<8 + uint16(b[1]), nil
}
func getBytes(r io.Reader, b []byte) ([]byte, error) {
n, err := getU16BE(r, b)
if err != nil {
return nil, err
}
if int(n) > len(b) {
return nil, errors.New("bytes too long for buffer")
}
_, err = io.ReadFull(r, b[0:n])
if err != nil {
return nil, err
}
return b[0:n], nil
}
func getString(r io.Reader, b []byte) (string, error) {
b, err := getBytes(r, b)
if err != nil {
return "", err
}
return string(b), nil
}
// readAuthority reads the X authority file for the DISPLAY.
// If hostname == "" or hostname == "localhost",
// then use the system's hostname (as returned by os.Hostname) instead.
@ -111,3 +80,34 @@ func readAuthority(hostname, display string) (
}
panic("unreachable")
}
func getU16BE(r io.Reader, b []byte) (uint16, error) {
_, err := io.ReadFull(r, b[0:2])
if err != nil {
return 0, err
}
return uint16(b[0])<<8 + uint16(b[1]), nil
}
func getBytes(r io.Reader, b []byte) ([]byte, error) {
n, err := getU16BE(r, b)
if err != nil {
return nil, err
}
if int(n) > len(b) {
return nil, errors.New("bytes too long for buffer")
}
_, err = io.ReadFull(r, b[0:n])
if err != nil {
return nil, err
}
return b[0:n], nil
}
func getString(r io.Reader, b []byte) (string, error) {
b, err := getBytes(r, b)
if err != nil {
return "", err
}
return string(b), nil
}