Viewing file:  struct3.c (1.19 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
{
int si;
} test_structure_3;
static test_structure_3 ABI_ATTR struct3(test_structure_3 ts)
{
ts.si = -(ts.si*2);
return ts;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
int compare_value;
ffi_type ts3_type;
ffi_type *ts3_type_elements[2];
test_structure_3 ts3_arg;
test_structure_3 *ts3_result =
(test_structure_3 *) malloc (sizeof(test_structure_3));
ts3_type.size = 0;
ts3_type.alignment = 0;
ts3_type.type = FFI_TYPE_STRUCT;
ts3_type.elements = ts3_type_elements;
ts3_type_elements[0] = &ffi_type_sint;
ts3_type_elements[1] = NULL;
args[0] = &ts3_type;
values[0] = &ts3_arg;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
&ts3_type, args) == FFI_OK);
ts3_arg.si = -123;
compare_value = ts3_arg.si;
ffi_call(&cif, FFI_FN(struct3), ts3_result, values);
printf ("%d %d\n", ts3_result->si, -(compare_value*2));
CHECK(ts3_result->si == -(compare_value*2));
free (ts3_result);
exit(0);
}
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