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[glibc.git] / stdlib / lcong48_r.c
blob32b948c946af7be9435e286cda2a4d3b86fb1e8b
1 /* Copyright (C) 1995, 1997, 1998 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 Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <stdlib.h>
21 #include <string.h>
22 #include <limits.h>
24 int
25 __lcong48_r (param, buffer)
26 unsigned short int param[7];
27 struct drand48_data *buffer;
29 /* Store the given values. */
30 #if USHRT_MAX == 0xffffU
31 memcpy (buffer->x, &param[0], sizeof (buffer->x));
32 memcpy (buffer->a, &param[3], sizeof (buffer->a));
33 #else
34 buffer->x[2] = (param[2] << 16) | param[1];
35 buffer->x[1] = param[0] << 16;
36 buffer->x[0] = 0;
38 buffer->a[2] = (param[5] << 16) | param[4];
39 buffer->a[1] = param[3] << 16;
40 buffer->a[0] = 0;
41 #endif
42 buffer->c = param[6];
43 buffer->init = 1;
45 return 0;
47 weak_alias (__lcong48_r, lcong48_r)