MySQL 8.4.3
Source Code Documentation
my_cleanse.h
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1/* Copyright (c) 2021, 2024, Oracle and/or its affiliates.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License, version 2.0,
5 as published by the Free Software Foundation.
6
7 This program is designed to work with certain software (including
8 but not limited to OpenSSL) that is licensed under separate terms,
9 as designated in a particular file or component or in included license
10 documentation. The authors of MySQL hereby grant you an additional
11 permission to link the program and your derivative works with the
12 separately licensed software that they have either included with
13 the program or referenced in the documentation.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef _my_cleanse_h
25#define _my_cleanse_h
26
27/**
28 Use when you want to "securely" clean up memory
29
30 @param b the data to clean
31 @param s the size of the data to clean
32
33 @note Always put first in the file
34*/
35#if defined(_WIN32)
36#define my_cleanse(b, s) SecureZeroMemory(b, s)
37
38#elif defined(__STDC_LIB_EXT1__)
39#define __STDC_WANT_LIB_EXT1__
40#include <string.h>
41#define my_cleanse(b, s) memset_s(b, s, 0, s)
42
43#else
44#include <openssl/crypto.h>
45#define my_cleanse(b, s) OPENSSL_cleanse(b, s)
46
47#endif /* defined(_WIN32) */
48
49#endif /* _my_cleanse_h */