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/* Area: closure_call
Purpose: Check return value double.
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20030828 */
/* { dg-do run } */
#include "ffitest.h"
static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
*(double *)resp = *(double *)args[0];
printf("%f: %f\n",*(double *)args[0],
*(double *)resp);
}
typedef double (*cls_ret_double)(double);
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
ffi_type * cl_arg_types[2];
double res;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
cl_arg_types[0] = &ffi_type_double;
cl_arg_types[1] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_double, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure(pcl, &cif, cls_ret_double_fn, NULL) == FFI_OK);
res = (*((cls_ret_double)pcl))(21474.789);
/* { dg-output "21474.789000: 21474.789000" } */
printf("res: %.6f\n", res);
/* { dg-output "\nres: 21474.789000" } */
exit(0);
}
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