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1 | #pragma once |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdint.h> | |
23 | ||
24 | int dev_urandom(void *p, size_t n); | |
25 | void random_bytes(void *p, size_t n); | |
26 | void initialize_srand(void); | |
27 | ||
28 | static inline uint64_t random_u64(void) { | |
29 | uint64_t u; | |
30 | random_bytes(&u, sizeof(u)); | |
31 | return u; | |
32 | } | |
33 | ||
34 | static inline uint32_t random_u32(void) { | |
35 | uint32_t u; | |
36 | random_bytes(&u, sizeof(u)); | |
37 | return u; | |
38 | } |