/* Copyright (C) 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

/* Modified by Guido Flohr <guido@freemint.de>, 28 Feb 2000.  */
   
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <alloca.h>

int
main (void)
{
  const char *name;
  int retval = 0;

  /* Set TMPDIR to a value other than the traditional /tmp.  */
  const char* newtmp = strncmp (P_tmpdir, "/usr", 4) ? "/usr" : "/var";
  setenv ("TMPDIR", newtmp, 1);

  name = tmpnam (NULL);
  if (name == NULL)
    {
      perror ("tmpnam");
      return 1;
    }
    
  printf ("name = %s\n", name);

  /* Make sure the name is not based on the value in TMPDIR.  */
  if (strncmp (name, newtmp, 4) == 0)
    {
      puts ("error: `tmpnam' used TMPDIR value");
      retval = 1;
    }

  /* Test that it is in the directory denoted by P_tmpdir.  */
  if (strncmp (name, P_tmpdir, sizeof (P_tmpdir) - 1) != 0)
    {
      puts ("error: `tmpnam' return value not in P_tmpdir directory");
      retval = 1;
    }

  return retval;
}
