| 1 | /* Copyright (C) 1995-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <stdlib.h> |
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| 19 | #include <string.h> |
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| 20 | #include <limits.h> |
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| 21 | |
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| 22 | int |
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| 23 | __seed48_r (unsigned short int seed16v[3], struct drand48_data *buffer) |
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| 24 | { |
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| 25 | /* Save old value at a private place to be used as return value. */ |
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| 26 | memcpy (buffer->__old_x, buffer->__x, sizeof (buffer->__x)); |
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| 27 | |
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| 28 | /* Install new state. */ |
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| 29 | buffer->__x[2] = seed16v[2]; |
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| 30 | buffer->__x[1] = seed16v[1]; |
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| 31 | buffer->__x[0] = seed16v[0]; |
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| 32 | buffer->__a = 0x5deece66dull; |
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| 33 | buffer->__c = 0xb; |
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| 34 | buffer->__init = 1; |
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| 35 | |
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| 36 | return 0; |
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| 37 | } |
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| 38 | weak_alias (__seed48_r, seed48_r) |
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| 39 | |
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