Subversion Repositories openrisc

! { dg-do run }

! { dg-additional-sources c_ptr_tests_driver.c }

module c_ptr_tests

  use, intrinsic :: iso_c_binding

  ! TODO::

  ! in order to be associated with a C address,

  ! the derived type needs to be C interoperable,

  ! which requires bind(c) and all fields interoperable.

  type, bind(c) :: myType

     type(c_ptr) :: myServices

     type(c_funptr) :: mySetServices

     type(c_ptr) :: myPort

  end type myType

  type, bind(c) :: f90Services

     integer(c_int) :: compId

     type(c_ptr) :: globalServices = c_null_ptr

  end type f90Services

  contains

    subroutine sub0(c_self, services) bind(c)

      use, intrinsic :: iso_c_binding

      implicit none

      type(c_ptr), value :: c_self, services

      type(myType), pointer :: self

      type(f90Services), pointer :: localServices

!      type(c_ptr) :: my_cptr

      type(c_ptr), save :: my_cptr = c_null_ptr

      call c_f_pointer(c_self, self)

      if(.not. associated(self)) then

         print *, 'self is not associated'

      end if

      self%myServices = services

      ! c_null_ptr is defined in iso_c_binding

      my_cptr = c_null_ptr

      ! get access to the local services obj from C

      call c_f_pointer(self%myServices, localServices)

    end subroutine sub0

end module c_ptr_tests

! { dg-final { cleanup-modules "c_ptr_tests" } }