cls_multi_ushort.c [plain text]
#include "ffitest.h"
unsigned short test_func_fn(unsigned short a1, unsigned short a2)
{
unsigned short result;
result = a1 + a2;
printf("%d %d: %d\n", a1, a2, result);
return result;
}
static void test_func_gn(ffi_cif *cif, void *rval, void **avals, void *data)
{
unsigned short a1, a2;
a1 = *(unsigned short *)avals[0];
a2 = *(unsigned short *)avals[1];
*(ffi_arg *)rval = test_func_fn(a1, a2);
}
typedef unsigned short (*test_type)(unsigned short, unsigned short);
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void * args_dbl[3];
ffi_type * cl_arg_types[3];
ffi_arg res_call;
unsigned short a, b, res_closure;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
a = 2;
b = 32765;
args_dbl[0] = &a;
args_dbl[1] = &b;
args_dbl[2] = NULL;
cl_arg_types[0] = &ffi_type_ushort;
cl_arg_types[1] = &ffi_type_ushort;
cl_arg_types[2] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
&ffi_type_ushort, cl_arg_types) == FFI_OK);
ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
printf("res: %d\n", res_call);
CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL) == FFI_OK);
res_closure = (*((test_type)pcl))(2, 32765);
printf("res: %d\n", res_closure);
exit(0);
}