MySQL 8.0.31
Source Code Documentation
my_macros.h
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1/*
2 Copyright (c) 2016, 2022, Oracle and/or its affiliates.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License, version 2.0,
6 as published by the Free Software Foundation.
7
8 This program is also distributed with certain software (including
9 but not limited to OpenSSL) that is licensed under separate terms,
10 as designated in a particular file or component or in included license
11 documentation. The authors of MySQL hereby grant you an additional
12 permission to link the program and your derivative works with the
13 separately licensed software that they have included with MySQL.
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_MACROS_INCLUDED
25#define MY_MACROS_INCLUDED
26
27/**
28 @file include/my_macros.h
29 Some common macros. Note that some of these should probably be replaced
30 with code from <algorithm> or similar.
31*/
32
33/* Make it easier to add conditional code in _expressions_ */
34#ifdef _WIN32
35#define IF_WIN(A, B) A
36#else
37#define IF_WIN(A, B) B
38#endif
39
40/*
41 Two levels of macros are needed to stringify the
42 result of expansion of a macro argument.
43*/
44#define QUOTE_ARG(x) #x /* Quote argument (before cpp) */
45#define STRINGIFY_ARG(x) QUOTE_ARG(x) /* Quote argument, after cpp */
46
47#define test_all_bits(a, b) (((a) & (b)) == (b))
48
49#endif // MY_MACROS_INCLUDED