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+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
+
+ 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.
+
+ 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:
+
+ 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.
+*/
+
+/**
+ * \file SDL_version.h
+ *
+ * This header defines the current SDL version.
+ */
+
+#ifndef SDL_version_h_
+#define SDL_version_h_
+
+#include "SDL_stdinc.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Information the version of SDL in use.
+ *
+ * Represents the library's version as three levels: major revision
+ * (increments with massive changes, additions, and enhancements),
+ * minor revision (increments with backwards-compatible changes to the
+ * major revision), and patchlevel (increments with fixes to the minor
+ * revision).
+ *
+ * \sa SDL_VERSION
+ * \sa SDL_GetVersion
+ */
+typedef struct SDL_version
+{
+ Uint8 major; /**< major version */
+ Uint8 minor; /**< minor version */
+ Uint8 patch; /**< update version */
+} SDL_version;
+
+/* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
+*/
+#define SDL_MAJOR_VERSION 2
+#define SDL_MINOR_VERSION 0
+#define SDL_PATCHLEVEL 12
+
+/**
+ * \brief Macro to determine SDL version program was compiled against.
+ *
+ * This macro fills in a SDL_version structure with the version of the
+ * library you compiled against. This is determined by what header the
+ * compiler uses. Note that if you dynamically linked the library, you might
+ * have a slightly newer or older version at runtime. That version can be
+ * determined with SDL_GetVersion(), which, unlike SDL_VERSION(),
+ * is not a macro.
+ *
+ * \param x A pointer to a SDL_version struct to initialize.
+ *
+ * \sa SDL_version
+ * \sa SDL_GetVersion
+ */
+#define SDL_VERSION(x) \
+{ \
+ (x)->major = SDL_MAJOR_VERSION; \
+ (x)->minor = SDL_MINOR_VERSION; \
+ (x)->patch = SDL_PATCHLEVEL; \
+}
+
+/**
+ * This macro turns the version numbers into a numeric value:
+ * \verbatim
+ (1,2,3) -> (1203)
+ \endverbatim
+ *
+ * This assumes that there will never be more than 100 patchlevels.
+ */
+#define SDL_VERSIONNUM(X, Y, Z) \
+ ((X)*1000 + (Y)*100 + (Z))
+
+/**
+ * This is the version number macro for the current SDL version.
+ */
+#define SDL_COMPILEDVERSION \
+ SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
+
+/**
+ * This macro will evaluate to true if compiled with SDL at least X.Y.Z.
+ */
+#define SDL_VERSION_ATLEAST(X, Y, Z) \
+ (SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
+
+/**
+ * \brief Get the version of SDL that is linked against your program.
+ *
+ * If you are linking to SDL dynamically, then it is possible that the
+ * current version will be different than the version you compiled against.
+ * This function returns the current version, while SDL_VERSION() is a
+ * macro that tells you what version you compiled with.
+ *
+ * \code
+ * SDL_version compiled;
+ * SDL_version linked;
+ *
+ * SDL_VERSION(&compiled);
+ * SDL_GetVersion(&linked);
+ * printf("We compiled against SDL version %d.%d.%d ...\n",
+ * compiled.major, compiled.minor, compiled.patch);
+ * printf("But we linked against SDL version %d.%d.%d.\n",
+ * linked.major, linked.minor, linked.patch);
+ * \endcode
+ *
+ * This function may be called safely at any time, even before SDL_Init().
+ *
+ * \sa SDL_VERSION
+ */
+extern DECLSPEC void SDLCALL SDL_GetVersion(SDL_version * ver);
+
+/**
+ * \brief Get the code revision of SDL that is linked against your program.
+ *
+ * Returns an arbitrary string (a hash value) uniquely identifying the
+ * exact revision of the SDL library in use, and is only useful in comparing
+ * against other revisions. It is NOT an incrementing number.
+ */
+extern DECLSPEC const char *SDLCALL SDL_GetRevision(void);
+
+/**
+ * \brief Get the revision number of SDL that is linked against your program.
+ *
+ * Returns a number uniquely identifying the exact revision of the SDL
+ * library in use. It is an incrementing number based on commits to
+ * hg.libsdl.org.
+ */
+extern DECLSPEC int SDLCALL SDL_GetRevisionNumber(void);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* SDL_version_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */