libtins 4.5
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macros.h
1/*
2 * Copyright (c) 2017, Matias Fontanini
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef TINS_MACROS_H
31#define TINS_MACROS_H
32
33#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
34 #include <sys/param.h>
35#endif
36
37#include <tins/config.h>
38
39// Check if this is Visual Studio
40#ifdef _MSC_VER
41 // This is Visual Studio
42 #define TINS_BEGIN_PACK __pragma( pack(push, 1) )
43 #define TINS_END_PACK __pragma( pack(pop) )
44 #define TINS_PACKED(DECLARATION) __pragma( pack(push, 1) ) DECLARATION __pragma( pack(pop) )
45 #define TINS_DEPRECATED(func) __declspec(deprecated) func
46 #define TINS_NOEXCEPT
47 #define TINS_LIKELY(x) (x)
48 #define TINS_UNLIKELY(x) (x)
49#else
50 // Not Visual Studio. Assume this is gcc compatible
51 #define TINS_BEGIN_PACK
52 #define TINS_END_PACK __attribute__((packed))
53 #define TINS_PACKED(DECLARATION) DECLARATION __attribute__((packed))
54 #define TINS_DEPRECATED(func) func __attribute__ ((deprecated))
55 #define TINS_NOEXCEPT noexcept
56 #define TINS_LIKELY(x) __builtin_expect((x),1)
57 #define TINS_UNLIKELY(x) __builtin_expect((x),0)
58#endif // _MSC_VER
59
60// If libtins was built into a shared library
61#if defined(_WIN32) && !defined(TINS_STATIC)
62 // Export/import symbols, depending on whether we're compiling or consuming the lib
63 #ifdef tins_EXPORTS
64 #define TINS_API __declspec(dllexport)
65 #else
66 #define TINS_API __declspec(dllimport)
67 #endif // tins_EXPORTS
68#else
69 // Otherwise, default this to an empty macro
70 #define TINS_API
71#endif // _WIN32 && !TINS_STATIC
72
73#endif // TINS_MACROS_H