MySQL  8.0.26
Source Code Documentation
my_rnd.h
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1 #ifndef MY_RANDOM_INCLUDED
2 #define MY_RANDOM_INCLUDED
3 
4 /*
5  Copyright (c) 2012, 2021, Oracle and/or its affiliates.
6 
7  This program is free software; you can redistribute it and/or modify
8  it under the terms of the GNU General Public License, version 2.0,
9  as published by the Free Software Foundation.
10 
11  This program is also distributed with certain software (including
12  but not limited to OpenSSL) that is licensed under separate terms,
13  as designated in a particular file or component or in included license
14  documentation. The authors of MySQL hereby grant you an additional
15  permission to link the program and your derivative works with the
16  separately licensed software that they have included with MySQL.
17 
18  This program is distributed in the hope that it will be useful,
19  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  GNU General Public License, version 2.0, for more details.
22 
23  You should have received a copy of the GNU General Public License
24  along with this program; if not, write to the Free Software
25  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
26 
27 /**
28  @file include/my_rnd.h
29  A wrapper to use OpenSSL PRNGs.
30 */
31 
32 #include <stddef.h>
33 
34 double my_rnd_ssl(bool *failed);
35 int my_rand_buffer(unsigned char *buffer, size_t buffer_size);
36 
37 #endif /* MY_RANDOM_INCLUDED */
static bool failed
Definition: log_sink_test.cc:53
double my_rnd_ssl(bool *failed)
Generate a random number using the OpenSSL supplied random number generator if available.
Definition: my_rnd.cc:85
int my_rand_buffer(unsigned char *buffer, size_t buffer_size)
Fill a buffer with random bytes using the SSL library routines.
Definition: my_rnd.cc:65
mutable_buffer buffer(void *p, size_t n) noexcept
Definition: buffer.h:391
size_t buffer_size(const ConstBufferSequence &buffers) noexcept
Definition: buffer.h:286