func main() {
cwd1 := make([]byte, BUF_SZ)
fmt.Print("This is where I am now: ")
if _, err := syscall.Getcwd(cwd1); err != nil {
log.Fatal("Error: syscall.Getcwd(2): ", err)
}
fmt.Println(string(cwd1))
fmt.Println("chroot(2)ing back to /home/christos")
// Commented out doesn't work for some reason. TODO: Why not?
//cwd_s := string(cwd[:])
//if err := syscall.Chroot(cwd_s); err != nil {
if err := syscall.Chroot("/home/christos"); err != nil {
log.Fatal("Error: syscall.Chroot(2): ", err)
}
fmt.Print("This is where I am now: ")
cwd2 := make([]byte, BUF_SZ)
if _, err := syscall.Getcwd(cwd2); err != nil {
log.Fatal("Error: syscall.Getcwd(2): ", err)
}
fmt.Println(string(cwd2))
fmt.Println("chdir(2)ing to parent")
if err := syscall.Chdir(".."); err != nil {
log.Fatal("Error: syscall.Chdir(2): ", err)
}
fmt.Print("This is where I am now: ")
cwd3 := make([]byte, BUF_SZ)
if _, err := syscall.Getcwd(cwd3); err != nil {
log.Fatal("Error: syscall.Getcwd(2): ", err)
}
fmt.Println(string(cwd3))
fmt.Println("Again, chdir(2)ing to parent")
if err := syscall.Chdir(".."); err != nil {
log.Fatal("Error: syscall.Chdir(2): ", err)
}
fmt.Print("This is where I am now: ")
cwd4 := make([]byte, BUF_SZ)
if _, err := syscall.Getcwd(cwd4); err != nil {
log.Fatal("Error: syscall.Getcwd(2): ", err)
}
fmt.Println(string(cwd4))
return
}
func main() {
var a []byte
n, err := syscall.Getcwd(a)
if err != nil {
fmt.Println(err.Error())
} else {
fmt.Println(strconv.Itoa(n))
}
}