make window freeing more manual

src/io/window.c

@@ -18,7 +18,7 @@ static SDL_Window* win = NULL;
 static bool close = false;
 static audiodata music;
 
-static void window_init(struct gamedata const* gdat) {
+void window_init(struct gamedata const* gdat) {
 	assert(!win && !close);
 	if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
 		fatal(ERROR_SDL_INIT, "SDL could not initialize! SDL Error: %s", SDL_GetError());
@@ -32,7 +32,7 @@ static void window_init(struct gamedata const* gdat) {
 	music = audio_wav_load("korobeiniki.wav");
 }
 
-static void window_free(void) {
+void window_free(void) {
 	assert(win);
 	render_free();
 	SDL_DestroyWindow(win);
@@ -43,9 +43,7 @@ static void window_free(void) {
 	audio_device_free();
 }
 
-void window_open(struct gamedata const* gdat) {
-	window_init(gdat);
-
+void window_open(void) {
 	while (!close) {
 		game_update(input_getdat());
 		render_update();
@@ -54,8 +52,6 @@ void window_open(struct gamedata const* gdat) {
 		if (time_poll(time_pull(), music.ms, &timeout))
 			audio_play(&music);
 	}
-
-	window_free();
 }
 
 void window_close(void) {

src/io/window.h

@@ -6,5 +6,7 @@
 #define SCREEN_WIDTH  ((COLUMNS + 6) * PX_DENS)              // window width
 #define SCREEN_HEIGHT ((COLUMNS) * PX_DENS / COLUMNS * ROWS) // window height
 
-void window_open(struct gamedata const*);
+void window_init(struct gamedata const*);
+void window_open(void);
 void window_close(void);
+void window_free(void);

src/main.c

@@ -8,6 +8,7 @@
 static void stop(void) {
 	debug("stopping...", );
 	window_close();
+	window_free();
 	SDL_Quit();
 }
 
@@ -17,7 +18,8 @@ int main(int argc, char** argv) {
 	// register stop as exit function
 	atexit(stop);
 
-	window_open(game_init());
+	window_init(game_init());
+	window_open();
 
 	return 0;
 }