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/js/src/ctypes/libffi/testsuite/libffi.call/struct9.c

http://github.com/zpao/v8monkey
C | 67 lines | 44 code | 15 blank | 8 comment | 3 complexity | 0717d05df52a64bc7535ebd46256c507 MD5 | raw file
 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  float f;
13  int i;
14} test_structure_9;
15
16static test_structure_9 struct9 (test_structure_9 ts)
17{
18  ts.f += 1;
19  ts.i += 1;
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  ffi_type ts9_type;
30  ffi_type *ts9_type_elements[3];
31  ts9_type.size = 0;
32  ts9_type.alignment = 0;
33  ts9_type.type = FFI_TYPE_STRUCT;
34  ts9_type.elements = ts9_type_elements;
35  ts9_type_elements[0] = &ffi_type_float;
36  ts9_type_elements[1] = &ffi_type_sint;
37  ts9_type_elements[2] = NULL;
38
39  test_structure_9 ts9_arg;
40  
41  /* This is a hack to get a properly aligned result buffer */
42  test_structure_9 *ts9_result = 
43    (test_structure_9 *) malloc (sizeof(test_structure_9));
44  
45  args[0] = &ts9_type;
46  values[0] = &ts9_arg;
47  
48  /* Initialize the cif */
49  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts9_type, args) == FFI_OK);
50  
51  ts9_arg.f = 5.55f;
52  ts9_arg.i = 5;
53  
54  printf ("%g\n", ts9_arg.f);
55  printf ("%d\n", ts9_arg.i);
56  
57  ffi_call(&cif, FFI_FN(struct9), ts9_result, values);
58
59  printf ("%g\n", ts9_result->f);
60  printf ("%d\n", ts9_result->i);
61  
62  CHECK(ts9_result->f == 5.55f + 1);
63  CHECK(ts9_result->i == 5 + 1);
64
65  free (ts9_result);
66  exit(0);
67}