Removed clang warnings

src/db.h

@@ -17,3 +17,4 @@ void
 db_close(sqlite3 **db);
 
 #endif // DB_H_
+

src/io_util.c

@@ -35,3 +35,4 @@ io_load_file_buffer(char **dest, unsigned long *len, const char *filepath)
 	*len = (unsigned long) size;
 	*dest = buffer;
 }
+

src/io_util.h

@@ -28,3 +28,4 @@ void
 io_load_file_buffer(char **dest, unsigned long *len, const char *filepath);
 
 #endif // IO_UTIL_H_
+

src/map_lua.c

@@ -53,6 +53,7 @@ int l_create_map(lua_State *L)
 static int
 l_print_info(lua_State *L)
 {
+	UNUSED(L); // Compilers keep warning about L being unused
 	debug(luaL_checkstring(L, 1));
 	return 0;
 }

src/random.c

@@ -32,3 +32,4 @@ get_random(unsigned int max)
 
 	return rand() % (max + 1);
 }
+

src/sprite.c

@@ -122,7 +122,7 @@ sprite_render(Sprite *s, Camera *cam)
 		cameraPos.x, cameraPos.y, s->dim.width, s->dim.height
 	};
 
-	if ((s->clip.w && s->clip.h) || s->angle || s->flip != SDL_FLIP_NONE) {
+	if ((s->clip.w && s->clip.h) || s->angle != 0 || s->flip != SDL_FLIP_NONE) {
 		texture_render_clip_ex(s->textures[s->texture_index],
 			&box,
 			&s->clip,

src/texturecache.h

@@ -35,3 +35,4 @@ void
 texturecache_close(void);
 
 #endif // TEXTURECACHE_H_
+