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  #include <string.h>
      20  #include <limits.h>
      21  
      22  int
      23  __seed48_r (unsigned short int seed16v[3], struct drand48_data *buffer)
      24  {
      25    /* Save old value at a private place to be used as return value.  */
      26    memcpy (buffer->__old_x, buffer->__x, sizeof (buffer->__x));
      27  
      28    /* Install new state.  */
      29    buffer->__x[2] = seed16v[2];
      30    buffer->__x[1] = seed16v[1];
      31    buffer->__x[0] = seed16v[0];
      32    buffer->__a = 0x5deece66dull;
      33    buffer->__c = 0xb;
      34    buffer->__init = 1;
      35  
      36    return 0;
      37  }
      38  weak_alias (__seed48_r, seed48_r)