1 #include <stdlib.h>
2 
3 #include <ISO_Fortran_binding.h>
4 #include "dump-descriptors.h"
5 
6 extern void ctest (CFI_cdesc_t *a);
7 
8 void
ctest(CFI_cdesc_t * a)9 ctest (CFI_cdesc_t *a)
10 {
11   /* Dump the descriptor contents to test that we can access the fields
12      correctly, etc.  */
13   dump_CFI_cdesc_t (a);
14 
15   /* The actual argument on the Fortran side was declared as
16        integer(C_INT) :: aa(10,5:8)
17      but was passed via other functions that variously describe it as
18      having size (10,*), (10,1:*), or (10,5:*) before calling this function
19      with an assumed-rank array dummy.  But, the spec says:
20 
21        For a C descriptor of a nonallocatable nonpointer object, the
22        value of the lower_bound member of each element of the dim member
23        of the descriptor is zero.
24 
25        In a C descriptor of an assumed-size array, the extent member of
26        the last element of the dim member has the value −1.  */
27 
28   if (!a->base_addr)
29     abort ();
30   if (a->elem_len != sizeof(int))
31     abort ();
32   if (a->rank != 2)
33     abort ();
34   if (a->type != CFI_type_int)
35     abort ();
36   if (a->attribute != CFI_attribute_other)
37     abort ();
38   if (a->dim[0].lower_bound != 0)
39     abort ();
40   if (a->dim[0].extent != 10)
41     abort ();
42   if (a->dim[0].sm != sizeof(int))
43     abort ();
44   if (a->dim[1].lower_bound != 0)
45     abort ();
46   if (a->dim[1].extent != -1)
47     abort ();
48   if (a->dim[1].sm != a->dim[0].extent * sizeof(int))
49     abort ();
50 }
51