1  /* Test initstate saving the old state.
       2     Copyright (C) 2005-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <stdio.h>
      20  #include <stdlib.h>
      21  
      22  static int
      23  do_test (void)
      24  {
      25    int pass;
      26    int ret = 0;
      27    long int r[2];
      28  
      29    for (pass = 0; pass < 2; pass++)
      30      {
      31        srandom (0x12344321);
      32  
      33        int j;
      34        for (j = 0; j < 3; ++j)
      35  	random ();
      36        if (pass == 1)
      37  	{
      38  	  char state[128];
      39  	  char *ostate = initstate (0x34562101, state, 128);
      40  	  if (setstate (ostate) != state)
      41  	    {
      42  	      puts ("setstate (ostate) != state");
      43  	      ret = 1;
      44  	    }
      45  	}
      46  
      47        random ();
      48        r[pass] = random ();
      49      }
      50  
      51    if (r[0] != r[1])
      52      {
      53        printf ("%ld != %ld\n", r[0], r[1]);
      54        ret = 1;
      55      }
      56    return ret;
      57  }
      58  
      59  #define TEST_FUNCTION do_test ()
      60  #include "../test-skeleton.c"