Ruby  2.4.2p198(2017-09-14revision59899)
struct3.c
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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 
10 typedef struct
11 {
12  int si;
14 
16 {
17  ts.si = -(ts.si*2);
18 
19  return ts;
20 }
21 
22 int main (void)
23 {
24  ffi_cif cif;
25  ffi_type *args[MAX_ARGS];
26  void *values[MAX_ARGS];
27  int compare_value;
28  ffi_type ts3_type;
29  ffi_type *ts3_type_elements[2];
30 
31  test_structure_3 ts3_arg;
32  test_structure_3 *ts3_result =
34 
35  ts3_type.size = 0;
36  ts3_type.alignment = 0;
37  ts3_type.type = FFI_TYPE_STRUCT;
38  ts3_type.elements = ts3_type_elements;
39  ts3_type_elements[0] = &ffi_type_sint;
40  ts3_type_elements[1] = NULL;
41 
42  args[0] = &ts3_type;
43  values[0] = &ts3_arg;
44 
45  /* Initialize the cif */
46  CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
47  &ts3_type, args) == FFI_OK);
48 
49  ts3_arg.si = -123;
50  compare_value = ts3_arg.si;
51 
52  ffi_call(&cif, FFI_FN(struct3), ts3_result, values);
53 
54  printf ("%d %d\n", ts3_result->si, -(compare_value*2));
55 
56  CHECK(ts3_result->si == -(compare_value*2));
57 
58  free (ts3_result);
59  exit(0);
60 }
int main(void)
Definition: struct3.c:22
static test_structure_3 ABI_ATTR struct3(test_structure_3 ts)
Definition: struct3.c:15
#define ABI_NUM
Definition: ffitest.h:35
#define ABI_ATTR
Definition: ffitest.h:36
#define malloc
Definition: ripper.c:116
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
#define MAX_ARGS
Definition: function.c:15
#define CHECK(sub)
Definition: compile.c:408
#define NULL
Definition: _sdbm.c:102
free(psz)
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226