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Viewing changes to testsuite/libffi.call/cls_double.c

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2008-04-04 21:20:12 UTC
  • Revision ID: james.westby@ubuntu.com-20080404212012-08zs514m24myu0bh
Tags: upstream-3.0.5
Import upstream version 3.0.5

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testsuite/libffi.call/cls_double.c
 
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/* Area:        closure_call
 
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   Purpose:     Check return value double.
 
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   Limitations: none.
 
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   PR:          none.
 
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   Originator:  <andreast@gcc.gnu.org> 20030828  */
 
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/* { dg-do run } */
 
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#include "ffitest.h"
 
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static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
 
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                              void* userdata __UNUSED__)
 
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 {
 
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   *(double *)resp = *(double *)args[0];
 
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   printf("%f: %f\n",*(double *)args[0],
 
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          *(double *)resp);
 
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 }
 
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typedef double (*cls_ret_double)(double);
 
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int main (void)
 
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{
 
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  ffi_cif cif;
 
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#ifndef USING_MMAP
 
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  static ffi_closure cl;
 
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#endif
 
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  ffi_closure *pcl;
 
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  ffi_type * cl_arg_types[2];
 
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  double res;
 
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#ifdef USING_MMAP
 
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  pcl = allocate_mmap (sizeof(ffi_closure));
 
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#else
 
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  pcl = &cl;
 
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#endif
 
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  cl_arg_types[0] = &ffi_type_double;
 
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  cl_arg_types[1] = NULL;
 
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  /* Initialize the cif */
 
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
 
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                     &ffi_type_double, cl_arg_types) == FFI_OK);
 
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  CHECK(ffi_prep_closure(pcl, &cif, cls_ret_double_fn, NULL)  == FFI_OK);
 
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  res = (*((cls_ret_double)pcl))(21474.789);
 
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  /* { dg-output "21474.789000: 21474.789000" } */
 
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  printf("res: %.6f\n", res);
 
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  /* { dg-output "\nres: 21474.789000" } */
 
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  exit(0);
 
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}