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PR libffi/46660
[pf3gnuchains/gcc-fork.git] / libffi / 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 "PR libffi/46660" { xfail mips-sgi-irix6* } } */
10 /* { dg-skip-if "" arm*-*-* { "-mfloat-abi=hard" } { "" } } */
11
12 #include "ffitest.h"
13
14 static void
15 cls_double_va_fn(ffi_cif* cif __UNUSED__, void* resp, 
16                  void** args, void* userdata __UNUSED__)
17 {
18         char*   format          = *(char**)args[0];
19         double  doubleValue     = *(double*)args[1];
20
21         *(ffi_arg*)resp = printf(format, doubleValue);
22 }
23
24 int main (void)
25 {
26         ffi_cif cif;
27         void *code;
28         ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
29         void* args[3];
30         ffi_type* arg_types[3];
31
32         char*   format          = "%.1f\n";
33         double  doubleArg       = 7;
34         ffi_arg res                     = 0;
35
36         arg_types[0] = &ffi_type_pointer;
37         arg_types[1] = &ffi_type_double;
38         arg_types[2] = NULL;
39
40         CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 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, code) == FFI_OK);
53
54         res     = ((int(*)(char*, double))(code))(format, doubleArg);
55         // { dg-output "\n7.0" }
56         printf("res: %d\n", (int) res);
57         // { dg-output "\nres: 4" }
58
59         exit(0);
60 }