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path: root/contrib/restricted/libffi/testsuite/libffi.closures/cls_sshort.c
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/* Area:	closure_call 
   Purpose:	Check return value sshort. 
   Limitations:	none. 
   PR:		none. 
   Originator:	<andreast@gcc.gnu.org> 20031108	 */ 
 
/* { dg-do run } */ 
#include "ffitest.h" 
 
static void cls_ret_sshort_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
			      void* userdata __UNUSED__) 
{ 
  *(ffi_arg*)resp = *(signed short *)args[0]; 
  printf("%d: %d\n",*(signed short *)args[0], 
	 (int)*(ffi_arg *)(resp)); 
} 
typedef signed short (*cls_ret_sshort)(signed short); 
 
int main (void) 
{ 
  ffi_cif cif; 
  void *code; 
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 
  ffi_type * cl_arg_types[2]; 
  signed short res; 
 
  cl_arg_types[0] = &ffi_type_sshort; 
  cl_arg_types[1] = NULL; 
 
  /* Initialize the cif */ 
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
		     &ffi_type_sshort, cl_arg_types) == FFI_OK); 
 
  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_sshort_fn, NULL, code)  == FFI_OK); 
 
  res = (*((cls_ret_sshort)code))(255); 
  /* { dg-output "255: 255" } */ 
  printf("res: %d\n",res); 
  /* { dg-output "\nres: 255" } */ 
 
  exit(0); 
}