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 <string.h> 20 #include <limits.h> 21 22 int __seed48_r(unsigned short int seed16v[3],struct drand48_data * buffer)23__seed48_r (unsigned short int seed16v[3], struct drand48_data *buffer) 24 { 25 /* Save old value at a private place to be used as return value. */ 26 memcpy (buffer->__old_x, buffer->__x, sizeof (buffer->__x)); 27 28 /* Install new state. */ 29 buffer->__x[2] = seed16v[2]; 30 buffer->__x[1] = seed16v[1]; 31 buffer->__x[0] = seed16v[0]; 32 buffer->__a = 0x5deece66dull; 33 buffer->__c = 0xb; 34 buffer->__init = 1; 35 36 return 0; 37 } 38 weak_alias (__seed48_r, seed48_r) 39