MySQL 8.0.40
Source Code Documentation
my_macros.h
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1/*
2 Copyright (c) 2016, 2024, 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 designed to work 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 either included with
14 the program or referenced in the documentation.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License, version 2.0, for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
24
25#ifndef MY_MACROS_INCLUDED
26#define MY_MACROS_INCLUDED
27
28/**
29 @file include/my_macros.h
30 Some common macros. Note that some of these should probably be replaced
31 with code from <algorithm> or similar.
32*/
33
34/* Make it easier to add conditional code in _expressions_ */
35#ifdef _WIN32
36#define IF_WIN(A, B) A
37#else
38#define IF_WIN(A, B) B
39#endif
40
41/*
42 Two levels of macros are needed to stringify the
43 result of expansion of a macro argument.
44*/
45#define QUOTE_ARG(x) #x /* Quote argument (before cpp) */
46#define STRINGIFY_ARG(x) QUOTE_ARG(x) /* Quote argument, after cpp */
47
48#define test_all_bits(a, b) (((a) & (b)) == (b))
49
50#endif // MY_MACROS_INCLUDED