1  /* Copyright (C) 1995-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library 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 GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdlib.h>
      19  
      20  int
      21  __nrand48_r (unsigned short int xsubi[3], struct drand48_data *buffer,
      22  	     long int *result)
      23  {
      24    /* Compute next state.  */
      25    if (__drand48_iterate (xsubi, buffer) < 0)
      26      return -1;
      27  
      28    /* Store the result.  */
      29    if (sizeof (unsigned short int) == 2)
      30      *result = xsubi[2] << 15 | xsubi[1] >> 1;
      31    else
      32      *result = xsubi[2] >> 1;
      33  
      34    return 0;
      35  }
      36  weak_alias (__nrand48_r, nrand48_r)