MySQL 8.0.31
Source Code Documentation
result.h
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1/* Copyright (c) 2012, 2022, 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 also distributed 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 included with MySQL.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License, version 2.0, for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef RESULT_H
24#define RESULT_H
25
26#include "xcom/x_platform.h"
27
28/* Combined return value and error code */
29struct result {
30 int val;
31 int funerr;
32};
33typedef struct result result;
34
35enum err_limits { errno_max = 1000000, ssl_zero = 2000000 };
36
37static inline int to_errno(int err) { return err; }
38
39static inline int to_ssl_err(int err) { return err + ssl_zero; }
40
41static inline int from_errno(int err) { return err; }
42
43static inline int from_ssl_err(int err) { return err - ssl_zero; }
44
45static inline int is_ssl_err(int err) { return err > errno_max; }
46
47#endif
static Value err()
Create a Value object that represents an error condition.
Definition: json_binary.cc:909
err_limits
Definition: result.h:35
@ errno_max
Definition: result.h:35
@ ssl_zero
Definition: result.h:35
static int is_ssl_err(int err)
Definition: result.h:45
static int from_ssl_err(int err)
Definition: result.h:43
static int to_errno(int err)
Definition: result.h:37
static int to_ssl_err(int err)
Definition: result.h:39
static int from_errno(int err)
Definition: result.h:41
Definition: result.h:29
int val
Definition: result.h:30
int funerr
Definition: result.h:31