1! { dg-do run } 2! { dg-additional-sources c_f_pointer_logical_driver.c } 3! Verify that c_f_pointer exists for C logicals (_Bool). 4module c_f_pointer_logical 5 use, intrinsic :: iso_c_binding, only: c_bool, c_f_pointer, c_ptr, c_int 6contains 7 subroutine test_scalar(c_logical_ptr) bind(c) 8 type(c_ptr), value :: c_logical_ptr 9 logical(c_bool), pointer :: f03_logical_ptr 10 call c_f_pointer(c_logical_ptr, f03_logical_ptr) 11 12 if(f03_logical_ptr .neqv. .true.) STOP 1 13 end subroutine test_scalar 14 15 subroutine test_array(c_logical_array, num_elems) bind(c) 16 type(c_ptr), value :: c_logical_array 17 integer(c_int), value :: num_elems 18 logical(c_bool), pointer, dimension(:) :: f03_logical_array 19 integer :: i 20 21 call c_f_pointer(c_logical_array, f03_logical_array, (/ num_elems /)) 22 23 ! Odd numbered locations are true (even numbered offsets in C) 24 do i = 1, num_elems, 2 25 if(f03_logical_array(i) .neqv. .true.) STOP 2 26 end do 27 28 ! Even numbered locations are false. 29 do i = 2, num_elems, 2 30 if(f03_logical_array(i) .neqv. .false.) STOP 3 31 end do 32 end subroutine test_array 33end module c_f_pointer_logical 34