Viewing file:  struct6.c (1.3 KB) -rw-rw-r--
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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
{
float f;
double d;
} test_structure_6;
static test_structure_6 ABI_ATTR struct6 (test_structure_6 ts)
{
ts.f += 1;
ts.d += 1;
return ts;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_type ts6_type;
ffi_type *ts6_type_elements[3];
test_structure_6 ts6_arg;
/* This is a hack to get a properly aligned result buffer */
test_structure_6 *ts6_result =
(test_structure_6 *) malloc (sizeof(test_structure_6));
ts6_type.size = 0;
ts6_type.alignment = 0;
ts6_type.type = FFI_TYPE_STRUCT;
ts6_type.elements = ts6_type_elements;
ts6_type_elements[0] = &ffi_type_float;
ts6_type_elements[1] = &ffi_type_double;
ts6_type_elements[2] = NULL;
args[0] = &ts6_type;
values[0] = &ts6_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts6_type, args) == FFI_OK);
ts6_arg.f = 5.55f;
ts6_arg.d = 6.66;
printf ("%g\n", ts6_arg.f);
printf ("%g\n", ts6_arg.d);
ffi_call(&cif, FFI_FN(struct6), ts6_result, values);
CHECK(ts6_result->f == 5.55f + 1);
CHECK(ts6_result->d == 6.66 + 1);
free (ts6_result);
exit(0);
}
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