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! { dg-do run }

! { dg-additional-sources bind_c_usage_16_c.c }

!

! PR fortran/34079

!

! Ensure character-returning, bind(C) function work.

!

module mod

  use iso_c_binding

  implicit none

contains

  function bar(x)  bind(c, name="returnA")

    character(len=1,kind=c_char) :: bar, x

    bar = x

    bar = 'A'

  end function bar

  function foo()  bind(c, name="returnB")

    character(len=1,kind=c_char) :: foo

    foo = 'B'

  end function foo

end module mod

subroutine test() bind(c)

  use mod

  implicit none

  character(len=1,kind=c_char) :: a

  character(len=3,kind=c_char) :: b

  character(len=1,kind=c_char) :: c(3)

  character(len=3,kind=c_char) :: d(3)

  integer :: i

  a = 'z'

  b = 'fffff'

  c = 'h'

  d = 'uuuuu'

  a = bar('x')

  if (a /= 'A') call abort()

  b = bar('y')

  if (b /= 'A' .or. iachar(b(2:2))/=32 .or. iachar(b(3:3))/=32) call abort()

  c = bar('x')

  if (any(c /= 'A')) call abort()

  d = bar('y')

  if (any(d /= 'A')) call abort()

  a = foo()

  if (a /= 'B') call abort()

  b = foo()

  if (b /= 'B') call abort()

  c = foo()

  if (any(c /= 'B')) call abort()

  d = foo()

  if (any(d /= 'B')) call abort()

  do i = 1,3

    if(iachar(d(i)(2:2)) /=32 .or. iachar(d(i)(3:3)) /= 32) call abort()

  end do

end subroutine