1// Copyright 2018 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package unix_test
6
7import (
8	"bytes"
9	"testing"
10
11	"golang.org/x/sys/unix"
12)
13
14// stringsFromByteSlice converts a sequence of attributes to a []string.
15// On NetBSD, each entry consists of a single byte containing the length
16// of the attribute name, followed by the attribute name.
17// The name is _not_ NULL-terminated.
18func stringsFromByteSlice(buf []byte) []string {
19	var result []string
20	i := 0
21	for i < len(buf) {
22		next := i + 1 + int(buf[i])
23		result = append(result, string(buf[i+1:next]))
24		i = next
25	}
26	return result
27}
28
29func TestSysctlClockinfo(t *testing.T) {
30	ci, err := unix.SysctlClockinfo("kern.clockrate")
31	if err != nil {
32		t.Fatal(err)
33	}
34	t.Logf("tick = %v, tickadj = %v, hz = %v, profhz = %v, stathz = %v",
35		ci.Tick, ci.Tickadj, ci.Hz, ci.Profhz, ci.Stathz)
36}
37
38func TestIoctlPtmget(t *testing.T) {
39	fd, err := unix.Open("/dev/ptmx", unix.O_NOCTTY|unix.O_RDWR, 0666)
40	if err != nil {
41		t.Skip("failed to open /dev/ptmx, skipping test")
42	}
43	defer unix.Close(fd)
44
45	ptm, err := unix.IoctlGetPtmget(fd, unix.TIOCPTSNAME)
46	if err != nil {
47		t.Fatalf("IoctlGetPtmget: %v\n", err)
48	}
49
50	t.Logf("sfd = %v, ptsname = %v", ptm.Sfd, string(ptm.Sn[:bytes.IndexByte(ptm.Sn[:], 0)]))
51}
52