1/* Area:	closure_call
2   Purpose:	Check return value uchar.
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_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11			     void* userdata __UNUSED__)
12{
13  *(ffi_arg*)resp = *(unsigned char *)args[0];
14  printf("%d: %d\n",*(unsigned char *)args[0],
15	 (int)*(ffi_arg *)(resp));
16}
17typedef unsigned char (*cls_ret_uchar)(unsigned char);
18
19int main (void)
20{
21  ffi_cif cif;
22#ifndef USING_MMAP
23  static ffi_closure cl;
24#endif
25  ffi_closure *pcl;
26  ffi_type * cl_arg_types[2];
27  unsigned char res;
28
29#ifdef USING_MMAP
30  pcl = allocate_mmap (sizeof(ffi_closure));
31#else
32  pcl = &cl;
33#endif
34
35  cl_arg_types[0] = &ffi_type_uchar;
36  cl_arg_types[1] = NULL;
37
38  /* Initialize the cif */
39  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
40		     &ffi_type_uchar, cl_arg_types) == FFI_OK);
41
42  CHECK(ffi_prep_closure(pcl, &cif, cls_ret_uchar_fn, NULL)  == FFI_OK);
43
44  res = (*((cls_ret_uchar)pcl))(127);
45  /* { dg-output "127: 127" } */
46  printf("res: %d\n",res);
47  /* { dg-output "\nres: 127" } */
48
49  exit(0);
50}
51