1  /* Area:	closure_call
       2     Purpose:	Check return value schar.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<andreast@gcc.gnu.org> 20031108	 */
       6  
       7  
       8  
       9  /* { dg-do run } */
      10  #include "ffitest.h"
      11  
      12  static void cls_ret_schar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
      13  			     void* userdata __UNUSED__)
      14  {
      15    *(ffi_arg*)resp = *(signed char *)args[0];
      16    printf("%d: %d\n",*(signed char *)args[0],
      17  	 (int)*(ffi_arg *)(resp));
      18  }
      19  typedef signed char (*cls_ret_schar)(signed char);
      20  
      21  int main (void)
      22  {
      23    ffi_cif cif;
      24    void *code;
      25    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      26    ffi_type * cl_arg_types[2];
      27    signed char res;
      28  
      29    cl_arg_types[0] = &ffi_type_schar;
      30    cl_arg_types[1] = NULL;
      31  
      32    /* Initialize the cif */
      33    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
      34  		     &ffi_type_schar, cl_arg_types) == FFI_OK);
      35  
      36    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_schar_fn, NULL, code)  == FFI_OK);
      37  
      38    res = (*((cls_ret_schar)code))(127);
      39    /* { dg-output "127: 127" } */
      40    printf("res: %d\n", res);
      41    /* { dg-output "\nres: 127" } */
      42  
      43    exit(0);
      44  }