Avoid GCC 11 -Warray-parameter warnings [BZ #26686].
[glibc.git] / stdlib / seed48_r.c
blob7c5bc6c3f3bf199403c0a904e62c1b9b2ab13051
1 /* Copyright (C) 1995-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
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.
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.
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/>. */
19 #include <stdlib.h>
20 #include <string.h>
21 #include <limits.h>
23 int
24 __seed48_r (unsigned short int seed16v[3], struct drand48_data *buffer)
26 /* Save old value at a private place to be used as return value. */
27 memcpy (buffer->__old_x, buffer->__x, sizeof (buffer->__x));
29 /* Install new state. */
30 buffer->__x[2] = seed16v[2];
31 buffer->__x[1] = seed16v[1];
32 buffer->__x[0] = seed16v[0];
33 buffer->__a = 0x5deece66dull;
34 buffer->__c = 0xb;
35 buffer->__init = 1;
37 return 0;
39 weak_alias (__seed48_r, seed48_r)