blob: 4e16ba3b62a92333593acd96857cbb47c339abc3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
package utils
import (
"fmt"
)
// BytesToInt converts a slice of bytes to an int. Only 8- and 16-bit uints are
// supported, because those are the only thing the control tables contain.
func BytesToInt(b []byte) (int, error) {
switch len(b) {
case 1:
return int(b[0]), nil
case 2:
return int(b[0]) | int(b[1])<<8, nil
default:
return 0, fmt.Errorf("invalid read length %d", len(b))
}
}
// BoolToInt converts a bool to an int.
func BoolToInt(b bool) int {
if b {
return 1
}
return 0
}
// IntToBool converts an int to a bool.
func IntToBool(v int) bool {
return (v != 0)
}
func Low(i uint16) byte {
return byte(i & 0xFF)
}
func High(i uint16) byte {
return Low(i >> 8)
}
|