+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
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 <elf.h>
#include <errno.h>
#include <fcntl.h>
+#include <linux/random.h>
#include <stdbool.h>
+#include <stdint.h>
#include <stdlib.h>
+#include <string.h>
#include <sys/time.h>
-#include <linux/random.h>
-#include <stdint.h>
-#ifdef HAVE_SYS_AUXV_H
+#if HAVE_SYS_AUXV_H
# include <sys/auxv.h>
#endif
-#ifdef USE_SYS_RANDOM_H
+#if USE_SYS_RANDOM_H
# include <sys/random.h>
#else
# include <linux/random.h>
if ((size_t) r == n)
return 0;
if (!high_quality_required) {
- /* Fill in the remaing bytes using pseudorandom values */
+ /* Fill in the remaining bytes using pseudorandom values */
pseudorandom_bytes((uint8_t*) p + r, n - r);
return 0;
}
void initialize_srand(void) {
static bool srand_called = false;
unsigned x;
-#ifdef HAVE_SYS_AUXV_H
+#if HAVE_SYS_AUXV_H
void *auxv;
#endif
if (srand_called)
return;
-#ifdef HAVE_SYS_AUXV_H
+#if HAVE_SYS_AUXV_H
/* The kernel provides us with 16 bytes of entropy in auxv, so let's
* try to make use of that to seed the pseudo-random generator. It's
* better than nothing... */