glibc/stdlib/lcong48_r.c

36 lines
1.2 KiB
C

/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
int
__lcong48_r (unsigned short int param[7], struct drand48_data *buffer)
{
/* Store the given values. */
memcpy (buffer->__x, &param[0], sizeof (buffer->__x));
buffer->__a = ((uint64_t) param[5] << 32 | (uint32_t) param[4] << 16
| param[3]);
buffer->__c = param[6];
buffer->__init = 1;
return 0;
}
weak_alias (__lcong48_r, lcong48_r)