Viewing file:  cls_dbls_struct.c (1.31 KB) -rw-r--r--
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/* Area: ffi_call, closure_call
Purpose: Check double arguments in structs.
Limitations: none.
PR: none.
Originator: Blake Chaffin 6/23/2007 */
/* { dg-do run } */
#include "ffitest.h"
typedef struct Dbls {
double x;
double y;
} Dbls;
void
closure_test_fn(Dbls p)
{
printf("%.1f %.1f\n", p.x, p.y);
}
void
closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
void** args, void* userdata __UNUSED__)
{
closure_test_fn(*(Dbls*)args[0]);
}
int main(int argc __UNUSED__, char** argv __UNUSED__)
{
ffi_cif cif;
void *code;
ffi_closure* pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
ffi_type* cl_arg_types[1];
ffi_type ts1_type;
ffi_type* ts1_type_elements[4];
Dbls arg = { 1.0, 2.0 };
ts1_type.size = 0;
ts1_type.alignment = 0;
ts1_type.type = FFI_TYPE_STRUCT;
ts1_type.elements = ts1_type_elements;
ts1_type_elements[0] = &ffi_type_double;
ts1_type_elements[1] = &ffi_type_double;
ts1_type_elements[2] = NULL;
cl_arg_types[0] = &ts1_type;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_void, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK);
((void (*)(Dbls))(code))(arg);
/* { dg-output "1.0 2.0" } */
closure_test_fn(arg);
/* { dg-output "\n1.0 2.0" } */
return 0;
}
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