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/* Area: ffi_call
Purpose: Check structures.
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run } */
#include "ffitest.h"
typedef struct
{
double d1;
double d2;
} test_structure_2;
static test_structure_2 struct2(test_structure_2 ts)
{
ts.d1--;
ts.d2--;
return ts;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
test_structure_2 ts2_arg;
ffi_type ts2_type;
ffi_type *ts2_type_elements[3];
ts2_type.size = 0;
ts2_type.alignment = 0;
ts2_type.type = FFI_TYPE_STRUCT;
ts2_type.elements = ts2_type_elements;
ts2_type_elements[0] = &ffi_type_double;
ts2_type_elements[1] = &ffi_type_double;
ts2_type_elements[2] = NULL;
/* This is a hack to get a properly aligned result buffer */
test_structure_2 *ts2_result =
(test_structure_2 *) malloc (sizeof(test_structure_2));
args[0] = &ts2_type;
values[0] = &ts2_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
ts2_arg.d1 = 5.55;
ts2_arg.d2 = 6.66;
printf ("%g\n", ts2_arg.d1);
printf ("%g\n", ts2_arg.d2);
ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
printf ("%g\n", ts2_result->d1);
printf ("%g\n", ts2_result->d2);
CHECK(ts2_result->d1 == 5.55 - 1);
CHECK(ts2_result->d2 == 6.66 - 1);
free (ts2_result);
exit(0);
}
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