File: c_f_pointer_tests_9.f90

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (37 lines) | stat: -rw-r--r-- 1,016 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
! { dg-do compile }
!
! A function returning a pointer cannot be interoperable
! and cannot be used as FPTR argument to C_F_POINTER.

subroutine s ()
  use, intrinsic :: iso_c_binding
  implicit none
  type(c_ptr) :: cPtr
  call c_f_pointer (cPtr, p0)            ! { dg-error "function returning a pointer" }
  call c_f_pointer (cPtr, p1, shape=[2]) ! { dg-error "function returning a pointer" }
contains
  function p0 ()
    integer, pointer :: p0
    nullify (p0)
  end
  function p1 ()
    integer, pointer :: p1(:)
    nullify (p1)
  end
  function fp0 ()
    integer, pointer :: fp0
    call c_f_pointer (cPtr, fp0)            ! valid here
  end
  function fp1 ()
    integer, pointer :: fp1(:)
    call c_f_pointer (cPtr, fp1, shape=[2]) ! valid here
  end
  function ffp0 () result (fp0)
    integer, pointer :: fp0
    call c_f_pointer (cPtr, fp0)            ! valid here
  end
  function ffp1 () result (fp1)
    integer, pointer :: fp1(:)
    call c_f_pointer (cPtr, fp1, shape=[2]) ! valid here
  end
end