Refresh config.guess and config.sub
[libffi.git] / .pc / msvc-changes / testsuite / libffi.call / struct1.c
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 unsigned char uc;
13 double d;
14 unsigned int ui;
15 } test_structure_1;
16
17 static test_structure_1 struct1(test_structure_1 ts)
18 {
19 ts.uc++;
20 ts.d--;
21 ts.ui++;
22
23 return ts;
24 }
25
26 int main (void)
27 {
28 ffi_cif cif;
29 ffi_type *args[MAX_ARGS];
30 void *values[MAX_ARGS];
31 ffi_type ts1_type;
32 ffi_type *ts1_type_elements[4];
33 ts1_type.size = 0;
34 ts1_type.alignment = 0;
35 ts1_type.type = FFI_TYPE_STRUCT;
36 ts1_type.elements = ts1_type_elements;
37 ts1_type_elements[0] = &ffi_type_uchar;
38 ts1_type_elements[1] = &ffi_type_double;
39 ts1_type_elements[2] = &ffi_type_uint;
40 ts1_type_elements[3] = NULL;
41
42 test_structure_1 ts1_arg;
43 /* This is a hack to get a properly aligned result buffer */
44 test_structure_1 *ts1_result =
45 (test_structure_1 *) malloc (sizeof(test_structure_1));
46
47 args[0] = &ts1_type;
48 values[0] = &ts1_arg;
49
50 /* Initialize the cif */
51 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
52 &ts1_type, args) == FFI_OK);
53
54 ts1_arg.uc = '\x01';
55 ts1_arg.d = 3.14159;
56 ts1_arg.ui = 555;
57
58 ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
59
60 CHECK(ts1_result->ui == 556);
61 CHECK(ts1_result->d == 3.14159 - 1);
62
63 free (ts1_result);
64 exit(0);
65 }