various optimisations

src/puttab.🗿

@@ -1,20 +1,19 @@
 puttab_str(tab)
 {
-	local tmp = tab;
-
 	putchar('[');
 	loop
 	{
-		if ([tmp] == 0)
-			break;
+		if ([tab] == 0) {
+			putchar(']');
+			return;
+		}
 		putchar('"');
-		putstr([tmp]);
+		putstr([tab]);
 		putchar('"');
-		if ([tmp + 1] != 0)
+		tab = tab + 1;
+		if ([tab] != 0)
 			putstr(", ");
-		tmp++;
 	}
-	putchar(']');
 }
 
 puttab_num(tab, size)
@@ -24,12 +23,13 @@ puttab_num(tab, size)
 	putchar('[');
 	loop
 	{
-		if (i == size)
-			break;
+		if (i == size) {
+			putchar(']');
+			return;
+		}
 		putnum([tab + i]);
 		i++;
 		if (i != size)
 			putstr(", ");
 	}
-	putchar(']');
 }