Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_ushort.c Source File

Ruby 3.0.5p211 (2022-11-24 revision ba5cf0f7c52d4d35cc6a173c89eda98ceffa2dcf)

cls_ushort.c
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1/* Area: closure_call
2 Purpose: Check return value ushort.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20030828 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10static void cls_ret_ushort_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11 void* userdata __UNUSED__)
12{
13 *(ffi_arg*)resp = *(unsigned short *)args[0];
14
15 printf("%d: %d\n",*(unsigned short *)args[0],
16 (int)*(ffi_arg *)(resp));
17}
18 typedef unsigned short (*cls_ret_ushort)(unsigned short);
19
20 int main (void)
21{
22 ffi_cif cif;
23 void *code;
24 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
25 ffi_type * cl_arg_types[2];
26 unsigned short res;
27
28 cl_arg_types[0] = &ffi_type_ushort;
29 cl_arg_types[1] = NULL;
30
31 /* Initialize the cif */
32 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
33 &ffi_type_ushort, cl_arg_types) == FFI_OK);
34
35 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_ushort_fn, NULL, code) == FFI_OK);
36
37 res = (*((cls_ret_ushort)code))(65535);
38 /* { dg-output "65535: 65535" } */
39 printf("res: %d\n",res);
40 /* { dg-output "\nres: 65535" } */
41
42 exit(0);
43}
ffi_prep_closure_loc
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
Definition: ffi.c:928
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
main
int main(void)
Definition: cls_ushort.c:20
cls_ret_ushort
unsigned short(* cls_ret_ushort)(unsigned short)
Definition: cls_ushort.c:18
CHECK
#define CHECK(sub)
Definition: compile.c:429
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:23
ffi_prep_cif
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226
NULL
#define NULL
Definition: regenc.h:69
code
Definition: inftree9.h:24