:yay:

A3/src/csapp.c

@@ -859,7 +859,7 @@ ssize_t rio_readnb(rio_t *rp, void *usrbuf, size_t n)
 
     while (nleft > 0) {
         if ((nread = rio_read(rp, bufp, nleft)) < 0)
-                return -1;          /* errno set by read() */
+            return -1;          /* errno set by read() */
         else if (nread == 0)
             break;              /* EOF */
         nleft -= nread;