MySQL 8.4.3
Source Code Documentation
my_hostname.h
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1/*
2 * Copyright (c) 2019, 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.
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24 */
25
26/**
27 @file include/my_hostname.h
28 Common definition used by mysys, performance schema and server & client.
29*/
30
31#ifndef MY_HOSTNAME_INCLUDED
32#define MY_HOSTNAME_INCLUDED
33
34/*
35 Note that this is the actual length available, and that room
36 for a trailing '\0' is not included in this size.
37
38 The metadata columns storing hostname use single byte character
39 as they are using ASCII character set.
40
41 pre 8.0.17: 60 characters
42*/
43static constexpr int HOSTNAME_LENGTH = 255;
44
45/*
46 Number of characters that a port number can have.
47 As per rfc6335 section 6, the range is 0 to 65535.
48*/
49static constexpr int PORTNUMBER_LENGTH = 5;
50
51/**
52 Length of "hostname:portnumber".
53 This does not include the trailing '\0'.
54*/
55static constexpr int HOST_AND_PORT_LENGTH =
57
58#endif /* MY_HOSTNAME_INCLUDED */
static constexpr int HOST_AND_PORT_LENGTH
Length of "hostname:portnumber".
Definition: my_hostname.h:55
static constexpr int HOSTNAME_LENGTH
Definition: my_hostname.h:43
static constexpr int PORTNUMBER_LENGTH
Definition: my_hostname.h:49