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 <limits.h>
      20  
      21  int
      22  __srand48_r (long int seedval, struct drand48_data *buffer)
      23  {
      24    /* The standards say we only have 32 bits.  */
      25    if (sizeof (long int) > 4)
      26      seedval &= 0xffffffffl;
      27  
      28    buffer->__x[2] = seedval >> 16;
      29    buffer->__x[1] = seedval & 0xffffl;
      30    buffer->__x[0] = 0x330e;
      31  
      32    buffer->__a = 0x5deece66dull;
      33    buffer->__c = 0xb;
      34    buffer->__init = 1;
      35  
      36    return 0;
      37  }
      38  weak_alias (__srand48_r, srand48_r)