1  /* Test nullptr.
       2     Copyright 2023 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation, either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  /* Written by Bruno Haible.  */
      18  
      19  #include <config.h>
      20  
      21  int *my_null = nullptr;
      22  
      23  #if 0 /* not yet */
      24  /* Header that is supposed to define nullptr_t.  */
      25  # include <stddef.h>
      26  #endif
      27  
      28  #include <stdarg.h>
      29  
      30  #include "macros.h"
      31  
      32  #if 0 /* not yet */
      33  
      34  static void
      35  simple_callee (nullptr_t x)
      36  {
      37    ASSERT (x == NULL);
      38  }
      39  
      40  #endif
      41  
      42  void
      43  varargs_callee (const char *first, ...)
      44  {
      45    va_list args;
      46    const char *arg;
      47  
      48    ASSERT (first[0] == 't');
      49    va_start (args, first);
      50  
      51    arg = va_arg (args, const char *);
      52    ASSERT (arg == NULL);
      53  
      54    arg = va_arg (args, const char *);
      55    ASSERT (arg[0] == 'f');
      56  
      57    arg = va_arg (args, const char *);
      58    ASSERT (arg == NULL);
      59  
      60    va_end (args);
      61  }
      62  
      63  int
      64  main ()
      65  {
      66    varargs_callee ("type", nullptr, "foo", nullptr);
      67  
      68    return 0;
      69  }