This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
begin_code.h
2
3
Simple DirectMedia Layer
Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
5
6
7
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
9
10
11
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
13
14
15
16
17
18
19
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
20
21
*/
22
23
24
25
26
27
28
/**
* \file begin_code.h
*
* This file sets things up for C dynamic library function definitions,
* static inlined functions, and structures aligned at 4-byte alignment.
* If you don't like ugly C preprocessor code, don't look at this file. :)
*/
29
30
31
32
33
34
35
36
37
/* This shouldn't be nested -- included it around code only. */
#ifdef _begin_code_h
#error Nested inclusion of begin_code.h
#endif
#define _begin_code_h
/* Some compilers use a special export keyword */
#ifndef DECLSPEC
38
# if defined(__BEOS__) || defined(__HAIKU__)
39
40
41
42
43
# if defined(__GNUC__)
# define DECLSPEC __declspec(dllexport)
# else
# define DECLSPEC __declspec(export)
# endif
44
# elif defined(__WIN32__)
45
46
# ifdef __BORLANDC__
# ifdef BUILD_SDL
47
# define DECLSPEC
49
# define DECLSPEC __declspec(dllimport)
50
51
52
53
# endif
# else
# define DECLSPEC __declspec(dllexport)
# endif
54
# else
55
# if defined(__GNUC__) && __GNUC__ >= 4
56
57
58
59
# define DECLSPEC __attribute__ ((visibility("default")))
# else
# define DECLSPEC
# endif
60
# endif
61
62
#endif
63
64
/* By default SDL uses the C calling convention */
#ifndef SDLCALL
65
#if defined(__WIN32__) && !defined(__GNUC__)
66
67
68
69
#define SDLCALL __cdecl
#else
#define SDLCALL
#endif
70
71
#endif /* SDLCALL */
72
/* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
73
#ifdef __SYMBIAN32__
74
75
#undef DECLSPEC
#define DECLSPEC
76
#endif /* __SYMBIAN32__ */
78
79
80
81
82
/* Force structure packing at 4 byte alignment.
This is necessary if the header is included in code which has structure
packing set to an alternate value, say for loading structures from disk.
The packing is reset to the previous value in close_code.h
*/
83
#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
84
85
86
87
88
89
#ifdef _MSC_VER
#pragma warning(disable: 4103)
#endif
#ifdef __BORLANDC__
#pragma nopackwarning
#endif
90
#pragma pack(push,4)
91
92
93
94
95
96
97
98
#endif /* Compiler needs structure packing set */
/* Set up compiler-specific options for inlining functions */
#ifndef SDL_INLINE_OKAY
#ifdef __GNUC__
#define SDL_INLINE_OKAY
#else
/* Add any special compiler-specific cases here */
99
100
#if defined(_MSC_VER) || defined(__BORLANDC__) || \
defined(__DMC__) || defined(__SC__) || \
101
102
defined(__WATCOMC__) || defined(__LCC__) || \
defined(__DECC)
103
#ifndef __inline__
104
#define __inline__ __inline
106
107
108
#define SDL_INLINE_OKAY
#else
#if !defined(__MRC__) && !defined(_SGI_SOURCE)
109
#ifndef __inline__
110
#define __inline__ inline
112
113
#define SDL_INLINE_OKAY
#endif /* Not a funky compiler */
114
#endif /* Visual C++ */
115
116
117
118
119
120
121
122
123
124
125
#endif /* GNU C */
#endif /* SDL_INLINE_OKAY */
/* If inlining isn't supported, remove "__inline__", turning static
inlined functions into static functions (resulting in code bloat
in all files which include the offending header files)
*/
#ifndef SDL_INLINE_OKAY
#define __inline__
#endif
126
/* Apparently this is needed by several Windows compilers */
127
#if !defined(__MACH__)
128
129
130
131
132
133
134
#ifndef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void *)0)
#endif
#endif /* NULL */
135
#endif /* ! Mac OS X - breaks precompiled headers */