MySQL  8.0.22
Source Code Documentation
result.h
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1 /* Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
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 */
29 struct result {
30  int val;
31  int funerr;
32 };
33 typedef struct result result;
34 
35 enum err_limits { errno_max = 1000000, ssl_zero = 2000000 };
36 
37 static inline int to_errno(int err) { return err; }
38 
39 static inline int to_ssl_err(int err) { return err + ssl_zero; }
40 
41 static inline int from_errno(int err) { return err; }
42 
43 static inline int from_ssl_err(int err) { return err - ssl_zero; }
44 
45 static inline int is_ssl_err(int err) { return err > errno_max; }
46 
47 #endif
Definition: result.h:29
Definition: result.h:35
err_limits
Definition: result.h:35
static int from_ssl_err(int err)
Definition: result.h:43
static int is_ssl_err(int err)
Definition: result.h:45
static Value err()
Create a Value object that represents an error condition.
Definition: json_binary.cc:908
int funerr
Definition: result.h:31
Definition: result.h:35
static int from_errno(int err)
Definition: result.h:41
static int to_errno(int err)
Definition: result.h:37
static int to_ssl_err(int err)
Definition: result.h:39
int val
Definition: result.h:30