1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2010 Lennart Poettering
14 int acquire_random_bytes(void *p, size_t n, bool high_quality_required);
15 void pseudorandom_bytes(void *p, size_t n);
16 void random_bytes(void *p, size_t n);
17 void initialize_srand(void);
19 static inline uint64_t random_u64(void) {
21 random_bytes(&u, sizeof(u));
25 static inline uint32_t random_u32(void) {
27 random_bytes(&u, sizeof(u));