diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-01 15:59:00 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-01 15:59:00 -0400 |
commit | 7f44fd8adbebc3ec21f3871d9ee04f6056398759 (patch) | |
tree | d18e26311cb7dc85ae4ee9fd946f2367705f48db /src/libbasic/random-util.h | |
parent | 210548eeed2cca68cf62707388b8bba2eda66afb (diff) |
./move.sh
Diffstat (limited to 'src/libbasic/random-util.h')
-rw-r--r-- | src/libbasic/random-util.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/libbasic/random-util.h b/src/libbasic/random-util.h new file mode 100644 index 0000000000..3cee4c5014 --- /dev/null +++ b/src/libbasic/random-util.h @@ -0,0 +1,39 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stddef.h> +#include <stdint.h> + +int dev_urandom(void *p, size_t n); +void random_bytes(void *p, size_t n); +void initialize_srand(void); + +static inline uint64_t random_u64(void) { + uint64_t u; + random_bytes(&u, sizeof(u)); + return u; +} + +static inline uint32_t random_u32(void) { + uint32_t u; + random_bytes(&u, sizeof(u)); + return u; +} |