change_directory Subroutine

    subroutine change_directory(path, error)
        character(len=*), intent(in) :: path
        type(error_t), allocatable, intent(out) :: error

        character(kind=c_char, len=1), allocatable :: cpath(:)
        integer :: stat

        allocate (cpath(len(path) + 1))
        call f_c_character(path, cpath, len(path) + 1)

        stat = chdir_(cpath)

        if (stat /= 0) then
            call fatal_error(error, "Failed to change directory to '"//path//"'")
        end if
    end subroutine change_directory