glibc/stdlib/lcong48_r.c

48 lines
1.6 KiB
C

/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdlib.h>
#include <string.h>
#include <limits.h>
int
__lcong48_r (param, buffer)
unsigned short int param[7];
struct drand48_data *buffer;
{
/* Store the given values. */
#if USHRT_MAX == 0xffffU
memcpy (buffer->x, &param[0], sizeof (buffer->x));
memcpy (buffer->a, &param[3], sizeof (buffer->a));
#else
buffer->x[2] = (param[2] << 16) | param[1];
buffer->x[1] = param[0] << 16;
buffer->x[0] = 0;
buffer->a[2] = (param[5] << 16) | param[4];
buffer->a[1] = param[3] << 16;
buffer->a[0] = 0;
#endif
buffer->c = param[6];
buffer->init = 1;
return 0;
}
weak_alias (__lcong48_r, lcong48_r)