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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [struct2.c] - Rev 732

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/* Area:	ffi_call
   Purpose:	Check structures.
   Limitations:	none.
   PR:		none.
   Originator:	From the original ffitest.c  */
 
/* { dg-do run } */
#include "ffitest.h"
 
typedef struct
{
  double d1;
  double d2;
} test_structure_2;
 
static test_structure_2 struct2(test_structure_2 ts)
{
  ts.d1--;
  ts.d2--;
 
  return ts;
}
 
int main (void)
{
  ffi_cif cif;
  ffi_type *args[MAX_ARGS];
  void *values[MAX_ARGS];
  test_structure_2 ts2_arg;
  ffi_type ts2_type;
  ffi_type *ts2_type_elements[3];
  ts2_type.size = 0;
  ts2_type.alignment = 0;
  ts2_type.type = FFI_TYPE_STRUCT;
  ts2_type.elements = ts2_type_elements;
  ts2_type_elements[0] = &ffi_type_double;
  ts2_type_elements[1] = &ffi_type_double;
  ts2_type_elements[2] = NULL;
 
 
  /* This is a hack to get a properly aligned result buffer */
  test_structure_2 *ts2_result = 
    (test_structure_2 *) malloc (sizeof(test_structure_2));
 
  args[0] = &ts2_type;
  values[0] = &ts2_arg;
 
  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
 
  ts2_arg.d1 = 5.55;
  ts2_arg.d2 = 6.66;
 
  printf ("%g\n", ts2_arg.d1);
  printf ("%g\n", ts2_arg.d2);
 
  ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
 
  printf ("%g\n", ts2_result->d1);
  printf ("%g\n", ts2_result->d2);
 
  CHECK(ts2_result->d1 == 5.55 - 1);
  CHECK(ts2_result->d2 == 6.66 - 1);
 
  free (ts2_result);
  exit(0);
}
 

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