#40, fix dots in hostname when length is 113, 170, 227... Includes test.

src/encoding.c

@@ -52,12 +52,12 @@ inline_dotify(char *buf, size_t buflen)
 	pos = (unsigned) (reader - buf) + 1;
 
 	while (dots) {
+		*writer-- = *reader--;
+		pos--;
 		if (pos % 57 == 0) {
 			*writer-- = '.';
 			dots--;
 		}
-		*writer-- = *reader--;
-		pos--;
 	}
 
 	/* return new length of string */

tests/encoding.c

@@ -31,6 +31,8 @@ struct tuple
 	  "aaaaaaaaaaaaaabaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaa"},
 	{ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 	  "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa."},
+	{ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+	  "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"},
 	{ "abc123", "abc123" },
 	{ NULL, NULL }
 };