The powerpc64 support opted to pass floating point values both in the
[platform/upstream/libffi.git] / testsuite / libffi.call / cls_double_va.c
1 /* Area:                ffi_call, closure_call
2    Purpose:             Test doubles passed in variable argument lists.
3    Limitations: none.
4    PR:                  none.
5    Originator:  Blake Chaffin 6/6/2007   */
6
7 /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
8 /* { dg-output "" { xfail avr32*-*-* } } */
9 /* { dg-output "" { xfail mips-sgi-irix6* } } PR libffi/46660 */
10
11 #include "ffitest.h"
12
13 static void
14 cls_double_va_fn(ffi_cif* cif __UNUSED__, void* resp, 
15                  void** args, void* userdata __UNUSED__)
16 {
17         char*   format          = *(char**)args[0];
18         double  doubleValue     = *(double*)args[1];
19
20         *(ffi_arg*)resp = printf(format, doubleValue);
21 }
22
23 int main (void)
24 {
25         ffi_cif cif;
26         void *code;
27         ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
28         void* args[3];
29         ffi_type* arg_types[3];
30
31         char*   format          = "%.1f\n";
32         double  doubleArg       = 7;
33         ffi_arg res                     = 0;
34
35         arg_types[0] = &ffi_type_pointer;
36         arg_types[1] = &ffi_type_double;
37         arg_types[2] = NULL;
38
39         /* This printf call is variadic */
40         CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2, &ffi_type_sint,
41                                arg_types) == FFI_OK);
42
43         args[0] = &format;
44         args[1] = &doubleArg;
45         args[2] = NULL;
46
47         ffi_call(&cif, FFI_FN(printf), &res, args);
48         /* { dg-output "7.0" } */
49         printf("res: %d\n", (int) res);
50         /* { dg-output "\nres: 4" } */
51
52         CHECK(ffi_prep_closure_loc(pcl, &cif, cls_double_va_fn, NULL,
53                                    code) == FFI_OK);
54
55         res = ((int(*)(char*, ...))(code))(format, doubleArg);
56         /* { dg-output "\n7.0" } */
57         printf("res: %d\n", (int) res);
58         /* { dg-output "\nres: 4" } */
59
60         exit(0);
61 }