1/* Area:	ffi_call
2   Purpose:	Check structures.
3   Limitations:	none.
4   PR:		none.
5   Originator:	From the original ffitest.c  */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10typedef struct
11{
12  double d1;
13  double d2;
14} test_structure_2;
15
16static test_structure_2 struct2(test_structure_2 ts)
17{
18  ts.d1--;
19  ts.d2--;
20
21  return ts;
22}
23
24int main (void)
25{
26  ffi_cif cif;
27  ffi_type *args[MAX_ARGS];
28  void *values[MAX_ARGS];
29  test_structure_2 ts2_arg;
30  ffi_type ts2_type;
31  ffi_type *ts2_type_elements[3];
32  ts2_type.size = 0;
33  ts2_type.alignment = 0;
34  ts2_type.type = FFI_TYPE_STRUCT;
35  ts2_type.elements = ts2_type_elements;
36  ts2_type_elements[0] = &ffi_type_double;
37  ts2_type_elements[1] = &ffi_type_double;
38  ts2_type_elements[2] = NULL;
39
40
41  /* This is a hack to get a properly aligned result buffer */
42  test_structure_2 *ts2_result =
43    (test_structure_2 *) malloc (sizeof(test_structure_2));
44
45  args[0] = &ts2_type;
46  values[0] = &ts2_arg;
47
48  /* Initialize the cif */
49  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
50
51  ts2_arg.d1 = 5.55;
52  ts2_arg.d2 = 6.66;
53
54  printf ("%g\n", ts2_arg.d1);
55  printf ("%g\n", ts2_arg.d2);
56
57  ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
58
59  printf ("%g\n", ts2_result->d1);
60  printf ("%g\n", ts2_result->d2);
61
62  CHECK(ts2_result->d1 == 5.55 - 1);
63  CHECK(ts2_result->d2 == 6.66 - 1);
64
65  free (ts2_result);
66  exit(0);
67}
68