1 /* Copyright (C) 1995-2022 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
__srand48_r(long int seedval,struct drand48_data * buffer)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)
39