1! { dg-do run }
2! { dg-additional-sources bind_c_usage_16_c.c }
3!
4! PR fortran/34079
5!
6! Ensure character-returning, bind(C) function work.
7!
8module mod
9  use iso_c_binding
10  implicit none
11contains
12  function bar(x)  bind(c, name="returnA")
13    character(len=1,kind=c_char) :: bar, x
14    bar = x
15    bar = 'A'
16  end function bar
17  function foo()  bind(c, name="returnB")
18    character(len=1,kind=c_char) :: foo
19    foo = 'B'
20  end function foo
21end module mod
22
23subroutine test() bind(c)
24  use mod
25  implicit none
26  character(len=1,kind=c_char) :: a
27  character(len=3,kind=c_char) :: b
28  character(len=1,kind=c_char) :: c(3)
29  character(len=3,kind=c_char) :: d(3)
30  integer :: i
31
32  a = 'z'
33  b = 'fffff'
34  c = 'h'
35  d = 'uuuuu'
36
37  a = bar('x')
38  if (a /= 'A') STOP 1
39  b = bar('y')
40  if (b /= 'A' .or. iachar(b(2:2))/=32 .or. iachar(b(3:3))/=32) STOP 2
41  c = bar('x')
42  if (any(c /= 'A')) STOP 3
43  d = bar('y')
44  if (any(d /= 'A')) STOP 4
45
46  a = foo()
47  if (a /= 'B') STOP 5
48  b = foo()
49  if (b /= 'B') STOP 6
50  c = foo()
51  if (any(c /= 'B')) STOP 7
52  d = foo()
53  if (any(d /= 'B')) STOP 8
54  do i = 1,3
55    if(iachar(d(i)(2:2)) /=32 .or. iachar(d(i)(3:3)) /= 32) STOP 9
56  end do
57end subroutine
58