macro moment

src/api/system.c

···
 #	if _WIN32
 	int id = MessageBox(0, msg, title, MB_YESNO | MB_ICONWARNING);
 	lua_pushboolean(L, id == IDYES);
-
 #	else
 	SDL_MessageBoxButtonData buttons[] = {
 		{ SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, 1, "Yes" },
···
 	SDL_ShowMessageBox(&data, &buttonid);
 	lua_pushboolean(L, buttonid == 1);
 #	endif
+
 	return 1;
 }
 

src/rencache.c

···
 	int x2 = (r.x + r.width) / CELL_SIZE;
 	int y2 = (r.y + r.height) / CELL_SIZE;
 
-	for (int y = y1; y <= y2; y++)
+	for (int y = y1 ; y <= y2 ; y++)
 	{
-		for (int x = x1; x <= x2; x++)
+		for (int x = x1 ; x <= x2 ; x++)
 		{
 			int idx = cell_idx(x, y);
 			hash(&cells[idx], &h, sizeof(h));
···
 static void push_rect(RenRect r, int *count)
 {
 	/* try to merge with existing rectangle */
-	for (int i = *count - 1; i >= 0; i--)
+	for (int i = *count - 1 ; i >= 0 ; i--)
 	{
 		RenRect *rp = &rect_buf[i];
 		if (rects_overlap(*rp, r))
···
 	int rect_count = 0;
 	int max_x = screen_rect.width / CELL_SIZE + 1;
 	int max_y = screen_rect.height / CELL_SIZE + 1;
-	for (int y = 0; y < max_y; y++)
+	for (int y = 0 ; y < max_y;  y++)
 	{
-		for (int x = 0; x < max_x; x++)
+		for (int x = 0 ; x < max_x ; x++)
 		{
 			/* compare previous and current cell for change */
 			int idx = cell_idx(x, y);

src/renderer.c

···
 
 void ren_free_font(RenFont *font)
 {
-	for (int i = 0; i < MAX_GLYPHSET; i++)
+	for (int i = 0 ; i < MAX_GLYPHSET ; i++)
 	{
 		GlyphSet *set = font->sets[i];
 		if (set)
···
 }
 
 
-#define rect_draw_loop(expr) do { \
-		for (int j = y1; j < y2; j++) \
+#define rect_draw_loop(expr) \
+	for (int j = y1 ; j < y2 ; j++) \
+	{ \
+		for (int i = x1 ; i < x2 ; i++) \
 		{ \
-			for (int i = x1; i < x2; i++) \
-			{ \
-				*d = expr; \
-				d++; \
-			} \
-			d += dr; \
+			*d = expr; \
+			d++; \
 		} \
- 	} while (0)
+		d += dr; \
+	}
 
 void ren_draw_rect(RenRect rect, RenColor color)
 {
···
 	int dr = surf->w - (x2 - x1);
 
 	if (color.a == 0xff)
+	{
 		rect_draw_loop(color);
+	}
 	else
+	{
 		rect_draw_loop(blend_pixel(*d, color));
+	}
 }
 
 
···
 
 	/* clip */
 	int n;
-	if ((n = clip.left - x) > 0)
-		sub->width  -= n; sub->x += n; x += n;
-	if ((n = clip.top  - y) > 0)
-		sub->height -= n; sub->y += n; y += n;
-	if ((n = x + sub->width  - clip.right ) > 0)
-		sub->width  -= n;
-	if ((n = y + sub->height - clip.bottom) > 0)
-		sub->height -= n;
+	if ((n = clip.left - x) > 0) { sub->width  -= n; sub->x += n; x += n; }
+	if ((n = clip.top  - y) > 0) { sub->height -= n; sub->y += n; y += n; }
+	if ((n = x + sub->width  - clip.right ) > 0) { sub->width  -= n; }
+	if ((n = y + sub->height - clip.bottom) > 0) { sub->height -= n; }
 
 	if (sub->width <= 0 || sub->height <= 0)
 		return;