From 379768290e1bff32bd696174b22ceaef397ab400 Mon Sep 17 00:00:00 2001
From: Roger Dingledine <arma@torproject.org>
Date: Mon, 12 Jul 2004 16:51:05 +0000
Subject: [PATCH] fix a bug related to reading usernames for socks4 this hasn't
 bitten us yet, but hey.

svn:r2026
---
 src/or/buffers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/or/buffers.c b/src/or/buffers.c
index 407b5f5a1d..661b1e1587 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -548,7 +548,8 @@ int fetch_from_buf_socks(buf_t *buf, socks_request_t *req) {
         socks4_prot = socks4;
       }
 
-      next = memchr(buf->mem+SOCKS4_NETWORK_LEN, 0, buf->datalen);
+      next = memchr(buf->mem+SOCKS4_NETWORK_LEN, 0,
+                    buf->datalen-SOCKS4_NETWORK_LEN);
       if(!next) {
         log_fn(LOG_DEBUG,"socks4: Username not here yet.");
         return 0;