1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
/* Area: ffi_call
Purpose: Check if unsigned long as return type is handled correctly.
Limitations: none.
PR: none.
Originator: <kaffeetisch at gmx dot de> 20060724 */
/* { dg-do run } */
#include "ffitest.h"
static unsigned long return_ul(unsigned long ul1, unsigned long ul2)
{
return ul1 + ul2;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_arg res;
unsigned long ul1, ul2;
args[0] = &ffi_type_ulong;
args[1] = &ffi_type_ulong;
values[0] = &ul1;
values[1] = &ul2;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
&ffi_type_ulong, args) == FFI_OK);
ul1 = 1073741823L;
ul2 = 1073741824L;
ffi_call(&cif, FFI_FN(return_ul), &res, values);
printf("res: %lu, %lu\n", (unsigned long)res, ul1 + ul2);
/* { dg-output "res: 2147483647, 2147483647" } */
exit(0);
}