gcc/testsuite/gfortran.dg/ISO_Fortran_binding_17.c

   1 /* PR fortran/92470  - to be used with ISO_Fortran_binding_17.f90 */
   2
   3 #include <stdio.h>
   4 #include <assert.h>
   5 #include <ISO_Fortran_binding.h>
   6
   7 void Csub(const CFI_cdesc_t *, size_t, CFI_index_t invalid);
   8
   9 void Csub(const CFI_cdesc_t * dv, size_t locd, CFI_index_t invalid) {
  10
  11    CFI_index_t lb[1];
  12    lb[0] = dv->dim[0].lower_bound;
  13    size_t ld = (size_t)CFI_address(dv, lb);
  14
  15    if (ld != locd)
  16      printf ("In C function: CFI_address of dv = %I64x\n", ld);
  17    assert( ld == locd );
  18
  19    lb[0] = invalid;
  20    /* Shall return NULL and produce stderr diagnostic with -fcheck=array.  */
  21    ld = (size_t)CFI_address(dv, lb);
  22    assert (ld == 0);
  23
  24    return;
  25 }