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Viewing changes to Modules/_ctypes/libffi/testsuite/libffi.call/cls_uint.c

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-11-25 09:44:27 UTC
  • Revision ID: package-import@ubuntu.com-20131125094427-lzxj8ap5w01lmo7f
Tags: upstream-3.4~b1
Import upstream version 3.4~b1

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Modules/_ctypes/libffi/testsuite/libffi.call/cls_uint.c
 
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/* Area:        closure_call
 
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   Purpose:     Check return value uint.
 
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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_uint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
 
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                            void* userdata __UNUSED__)
 
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{
 
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  *(ffi_arg *)resp = *(unsigned int *)args[0];
 
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  printf("%d: %d\n",*(unsigned int *)args[0],
 
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         (int)*(ffi_arg *)(resp));
 
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}
 
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typedef unsigned int (*cls_ret_uint)(unsigned int);
 
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int main (void)
 
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{
 
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  ffi_cif cif;
 
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  void *code;
 
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  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
 
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  ffi_type * cl_arg_types[2];
 
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  unsigned int res;
 
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  cl_arg_types[0] = &ffi_type_uint;
 
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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_uint, cl_arg_types) == FFI_OK);
 
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  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uint_fn, NULL, code)  == FFI_OK);
 
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  res = (*((cls_ret_uint)code))(2147483647);
 
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  /* { dg-output "2147483647: 2147483647" } */
 
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  printf("res: %d\n",res);
 
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  /* { dg-output "\nres: 2147483647" } */
 
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  exit(0);
 
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}