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	"os"
10	"testing"
11
12	"golang.org/x/sys/unix"
13)
14
15// stringsFromByteSlice converts a sequence of attributes to a []string.
16// On NetBSD, each entry consists of a single byte containing the length
17// of the attribute name, followed by the attribute name.
18// The name is _not_ NULL-terminated.
19func stringsFromByteSlice(buf []byte) []string {
20	var result []string
21	i := 0
22	for i < len(buf) {
23		next := i + 1 + int(buf[i])
24		result = append(result, string(buf[i+1:next]))
25		i = next
26	}
27	return result
28}
29
30func TestIoctlPtmget(t *testing.T) {
31	fd, err := unix.Open("/dev/ptmx", unix.O_NOCTTY|unix.O_RDWR, 0666)
32	if err != nil {
33		t.Skip("failed to open /dev/ptmx, skipping test")
34	}
35	defer unix.Close(fd)
36
37	ptm, err := unix.IoctlGetPtmget(fd, unix.TIOCPTSNAME)
38	if err != nil {
39		t.Fatalf("IoctlGetPtmget: %v\n", err)
40	}
41
42	t.Logf("sfd = %v, ptsname = %v", ptm.Sfd, string(ptm.Sn[:bytes.IndexByte(ptm.Sn[:], 0)]))
43}
44
45func TestStatvfs(t *testing.T) {
46	defer chtmpdir(t)()
47	touch(t, "file1")
48
49	var statvfs1, statvfs2 unix.Statvfs_t
50	err := unix.Statvfs("file1", &statvfs1)
51	if err != nil {
52		t.Fatalf("Statvfs: %v", err)
53	}
54
55	f, err := os.Open("file1")
56	if err != nil {
57		t.Fatal(err)
58	}
59	defer f.Close()
60
61	err = unix.Fstatvfs(int(f.Fd()), &statvfs2)
62	if err != nil {
63		t.Fatalf("Fstatvfs: %v", err)
64	}
65
66	if statvfs2.Fsid != statvfs1.Fsid {
67		t.Errorf("Fstatvfs: got fsid %v, expected %v", statvfs2.Fsid, statvfs1.Fsid)
68	}
69	if statvfs2.Owner != statvfs1.Owner {
70		t.Errorf("Fstatvfs: got owner %v, expected %v", statvfs2.Owner, statvfs1.Owner)
71	}
72	if statvfs2.Fstypename != statvfs1.Fstypename {
73		t.Errorf("Fstatvfs: got fstypename %s, expected %s", statvfs2.Fstypename, statvfs1.Fstypename)
74	}
75}
76