Line data    Source code

       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           4 : static inline uint64_t random_u64(void) {
      29             :         uint64_t u;
      30           4 :         random_bytes(&u, sizeof(u));
      31           4 :         return u;
      32             : }
      33             : 
      34          19 : static inline uint32_t random_u32(void) {
      35             :         uint32_t u;
      36          19 :         random_bytes(&u, sizeof(u));
      37          19 :         return u;
      38             : }