From 43ad16d15766ed2c75515a696b391d5bb02c8b26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 2 Apr 2014 19:08:46 +0200
Subject: Add functions to retrieve SDL version and revision

---
 c_src/esdl2.h       |  3 +++
 c_src/sdl_version.c | 39 +++++++++++++++++++++++++++++++++++++++
 src/esdl2.erl       | 12 ++++++++++++
 src/sdl_version.erl | 24 ++++++++++++++++++++++++
 4 files changed, 78 insertions(+)
 create mode 100644 c_src/sdl_version.c
 create mode 100644 src/sdl_version.erl

diff --git a/c_src/esdl2.h b/c_src/esdl2.h
index 455c42d..970fa6c 100644
--- a/c_src/esdl2.h
+++ b/c_src/esdl2.h
@@ -117,6 +117,9 @@
 	F(img_load, 1) \
 	/* sdl_texture */ \
 	F(create_texture_from_surface, 2) \
+	/* sdl_version */ \
+	F(get_version, 0) \
+	F(get_revision, 0) \
 	/* sdl_window */ \
 	F(create_window, 6)
 
diff --git a/c_src/sdl_version.c b/c_src/sdl_version.c
new file mode 100644
index 0000000..c570044
--- /dev/null
+++ b/c_src/sdl_version.c
@@ -0,0 +1,39 @@
+// Copyright (c) 2014, Loïc Hoguin <essen@ninenines.eu>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+#include "esdl2.h"
+#include "SDL_version.h"
+#include "SDL_revision.h"
+
+// get_version
+
+NIF_FUNCTION(get_version)
+{
+	SDL_version v;
+
+	SDL_VERSION(&v);
+
+	return enif_make_tuple3(env,
+		enif_make_int(env, v.major),
+		enif_make_int(env, v.minor),
+		enif_make_int(env, v.patch)
+	);
+}
+
+// get_revision
+
+NIF_FUNCTION(get_revision)
+{
+	return enif_make_string(env, SDL_REVISION, ERL_NIF_LATIN1);
+}
diff --git a/src/esdl2.erl b/src/esdl2.erl
index e7d8d0a..3f29141 100644
--- a/src/esdl2.erl
+++ b/src/esdl2.erl
@@ -39,6 +39,10 @@
 %% sdl_texture
 -export([create_texture_from_surface/2]).
 
+%% sdl_version
+-export([get_version/0]).
+-export([get_revision/0]).
+
 %% sdl_window
 -export([create_window/6]).
 
@@ -109,6 +113,14 @@ img_load(_) ->
 create_texture_from_surface(_, _) ->
 	erlang:nif_error({not_loaded, ?MODULE}).
 
+%% sdl_version
+
+get_version() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
+get_revision() ->
+	erlang:nif_error({not_loaded, ?MODULE}).
+
 %% sdl_window
 
 create_window(_, _, _, _, _, _) ->
diff --git a/src/sdl_version.erl b/src/sdl_version.erl
new file mode 100644
index 0000000..7d2d93a
--- /dev/null
+++ b/src/sdl_version.erl
@@ -0,0 +1,24 @@
+%% Copyright (c) 2014, Loïc Hoguin <essen@ninenines.eu>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(sdl_version).
+
+-export([get_version/0]).
+-export([get_revision/0]).
+
+get_version() ->
+	esdl2:get_version().
+
+get_revision() ->
+	esdl2:get_revision().
-- 
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