Viewing file:  struct9.c (1.36 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;
int i;
} test_structure_9;
static test_structure_9 ABI_ATTR struct9 (test_structure_9 ts)
{
ts.f += 1;
ts.i += 1;
return ts;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_type ts9_type;
ffi_type *ts9_type_elements[3];
test_structure_9 ts9_arg;
/* This is a hack to get a properly aligned result buffer */
test_structure_9 *ts9_result =
(test_structure_9 *) malloc (sizeof(test_structure_9));
ts9_type.size = 0;
ts9_type.alignment = 0;
ts9_type.type = FFI_TYPE_STRUCT;
ts9_type.elements = ts9_type_elements;
ts9_type_elements[0] = &ffi_type_float;
ts9_type_elements[1] = &ffi_type_sint;
ts9_type_elements[2] = NULL;
args[0] = &ts9_type;
values[0] = &ts9_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts9_type, args) == FFI_OK);
ts9_arg.f = 5.55f;
ts9_arg.i = 5;
printf ("%g\n", ts9_arg.f);
printf ("%d\n", ts9_arg.i);
ffi_call(&cif, FFI_FN(struct9), ts9_result, values);
printf ("%g\n", ts9_result->f);
printf ("%d\n", ts9_result->i);
CHECK(ts9_result->f == 5.55f + 1);
CHECK(ts9_result->i == 5 + 1);
free (ts9_result);
exit(0);
}
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