WebSVN – Games.Prince of Persia – Blame – /SDL2.framework/Versions/A/Headers/SDL_version.h

Rev	Author	Line No.	Line
1	pmbaty	1	/*
		2	Simple DirectMedia Layer
8	pmbaty	3	Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
1	pmbaty	4
		5	This software is provided 'as-is', without any express or implied
		6	warranty. In no event will the authors be held liable for any damages
		7	arising from the use of this software.
		8
		9	Permission is granted to anyone to use this software for any purpose,
		10	including commercial applications, and to alter it and redistribute it
		11	freely, subject to the following restrictions:
		12
		13	1. The origin of this software must not be misrepresented; you must not
		14	claim that you wrote the original software. If you use this software
		15	in a product, an acknowledgment in the product documentation would be
		16	appreciated but is not required.
		17	2. Altered source versions must be plainly marked as such, and must not be
		18	misrepresented as being the original software.
		19	3. This notice may not be removed or altered from any source distribution.
		20	*/
		21
		22	/**
		23	* \file SDL_version.h
		24	*
		25	* This header defines the current SDL version.
		26	*/
		27
		28	#ifndef SDL_version_h_
		29	#define SDL_version_h_
		30
		31	#include "SDL_stdinc.h"
		32
		33	#include "begin_code.h"
		34	/* Set up for C function definitions, even when using C++ */
		35	#ifdef __cplusplus
		36	extern "C" {
		37	#endif
		38
		39	/**
		40	* \brief Information the version of SDL in use.
		41	*
		42	* Represents the library's version as three levels: major revision
		43	* (increments with massive changes, additions, and enhancements),
		44	* minor revision (increments with backwards-compatible changes to the
		45	* major revision), and patchlevel (increments with fixes to the minor
		46	* revision).
		47	*
		48	* \sa SDL_VERSION
		49	* \sa SDL_GetVersion
		50	*/
		51	typedef struct SDL_version
		52	{
		53	Uint8 major; /*< major version /
		54	Uint8 minor; /*< minor version /
		55	Uint8 patch; /*< update version /
		56	} SDL_version;
		57
		58	/* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
		59	*/
		60	#define SDL_MAJOR_VERSION 2
		61	#define SDL_MINOR_VERSION 0
8	pmbaty	62	#define SDL_PATCHLEVEL 9
1	pmbaty	63
		64	/**
		65	* \brief Macro to determine SDL version program was compiled against.
		66	*
		67	* This macro fills in a SDL_version structure with the version of the
		68	* library you compiled against. This is determined by what header the
		69	* compiler uses. Note that if you dynamically linked the library, you might
		70	* have a slightly newer or older version at runtime. That version can be
		71	* determined with SDL_GetVersion(), which, unlike SDL_VERSION(),
		72	* is not a macro.
		73	*
		74	* \param x A pointer to a SDL_version struct to initialize.
		75	*
		76	* \sa SDL_version
		77	* \sa SDL_GetVersion
		78	*/
		79	#define SDL_VERSION(x) \
		80	{ \
		81	(x)->major = SDL_MAJOR_VERSION; \
		82	(x)->minor = SDL_MINOR_VERSION; \
		83	(x)->patch = SDL_PATCHLEVEL; \
		84	}
		85
		86	/**
		87	* This macro turns the version numbers into a numeric value:
		88	* \verbatim
		89	(1,2,3) -> (1203)
		90	\endverbatim
		91	*
		92	* This assumes that there will never be more than 100 patchlevels.
		93	*/
		94	#define SDL_VERSIONNUM(X, Y, Z) \
		95	((X)1000 + (Y)100 + (Z))
		96
		97	/**
		98	* This is the version number macro for the current SDL version.
		99	*/
		100	#define SDL_COMPILEDVERSION \
		101	SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
		102
		103	/**
		104	* This macro will evaluate to true if compiled with SDL at least X.Y.Z.
		105	*/
		106	#define SDL_VERSION_ATLEAST(X, Y, Z) \
		107	(SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
		108
		109	/**
		110	* \brief Get the version of SDL that is linked against your program.
		111	*
		112	* If you are linking to SDL dynamically, then it is possible that the
		113	* current version will be different than the version you compiled against.
		114	* This function returns the current version, while SDL_VERSION() is a
		115	* macro that tells you what version you compiled with.
		116	*
		117	* \code
		118	* SDL_version compiled;
		119	* SDL_version linked;
		120	*
		121	* SDL_VERSION(&compiled);
		122	* SDL_GetVersion(&linked);
		123	* printf("We compiled against SDL version %d.%d.%d ...\n",
		124	* compiled.major, compiled.minor, compiled.patch);
		125	* printf("But we linked against SDL version %d.%d.%d.\n",
		126	* linked.major, linked.minor, linked.patch);
		127	* \endcode
		128	*
		129	* This function may be called safely at any time, even before SDL_Init().
		130	*
		131	* \sa SDL_VERSION
		132	*/
		133	extern DECLSPEC void SDLCALL SDL_GetVersion(SDL_version * ver);
		134
		135	/**
		136	* \brief Get the code revision of SDL that is linked against your program.
		137	*
		138	* Returns an arbitrary string (a hash value) uniquely identifying the
		139	* exact revision of the SDL library in use, and is only useful in comparing
		140	* against other revisions. It is NOT an incrementing number.
		141	*/
		142	extern DECLSPEC const char *SDLCALL SDL_GetRevision(void);
		143
		144	/**
		145	* \brief Get the revision number of SDL that is linked against your program.
		146	*
		147	* Returns a number uniquely identifying the exact revision of the SDL
		148	* library in use. It is an incrementing number based on commits to
		149	* hg.libsdl.org.
		150	*/
		151	extern DECLSPEC int SDLCALL SDL_GetRevisionNumber(void);
		152
		153
		154	/* Ends C function definitions when using C++ */
		155	#ifdef __cplusplus
		156	}
		157	#endif
		158	#include "close_code.h"
		159
		160	#endif /* SDL_version_h_ */
		161
		162	/* vi: set ts=4 sw=4 expandtab: */

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