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04277e02 | 1 | /* Copyright (C) 1995-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. | |
60478656 | 4 | |
7cc27f44 | 5 | The GNU C Library is free software; you can redistribute it and/or |
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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. | |
60478656 | 9 | |
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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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
60478656 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
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16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #include <stdlib.h> | |
1d8dc429 | 20 | #include <limits.h> |
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21 | |
22 | int | |
9d46370c | 23 | __srand48_r (long int seedval, struct drand48_data *buffer) |
60478656 | 24 | { |
60478656 | 25 | /* The standards say we only have 32 bits. */ |
b4012b75 | 26 | if (sizeof (long int) > 4) |
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27 | seedval &= 0xffffffffl; |
28 | ||
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29 | buffer->__x[2] = seedval >> 16; |
30 | buffer->__x[1] = seedval & 0xffffl; | |
31 | buffer->__x[0] = 0x330e; | |
32 | ||
33 | buffer->__a = 0x5deece66dull; | |
34 | buffer->__c = 0xb; | |
35 | buffer->__init = 1; | |
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36 | |
37 | return 0; | |
38 | } | |
47f13fd4 | 39 | weak_alias (__srand48_r, srand48_r) |