1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*-
* SSLsplit - transparent SSL/TLS interception
* https://www.roe.ch/SSLsplit
*
* Copyright (c) 2009-2019, Daniel Roethlisberger <daniel@roe.ch>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ATTRIB_H
#define ATTRIB_H
/*
* GCC attributes and built-ins for improved compile-time error checking
* and performance optimization.
*
* All of these are fully optional and are automatically disabled on non-GCC
* and non-LLVM/clang compilers.
*/
/*
* Attributes.
* These serve to improve the compiler warnings or optimizations.
*/
#if !defined(__GNUC__) && !defined(__clang__)
#define __attribute__(x)
#endif
#define UNUSED __attribute__((unused))
#define NORET __attribute__((noreturn))
#define PRINTF(f,a) __attribute__((format(printf,(f),(a))))
#define SCANF(f,a) __attribute__((format(scanf,(f),(a))))
#define WUNRES __attribute__((warn_unused_result))
#define MALLOC __attribute__((malloc)) WUNRES
#define NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
#define PURE __attribute__((pure))
/*
* Branch prediction macros.
* These serve to tell the compiler which of the branches is more likely.
*/
#if !defined(__GNUC__) && !defined(__clang__)
#define likely(expr) (expr)
#define unlikely(expr) (expr)
#else
#define likely(expr) __builtin_expect((expr), 1)
#define unlikely(expr) __builtin_expect((expr), 0)
#endif
#endif /* !ATTRIB_H */
/* vim: set noet ft=c: */
|
