bug fix.

diff --git a/lib/util_tcp.cc b/lib/util_tcp.cc
index 6f371cb..d530729 100644 (file)
--- a/lib/util_tcp.cc
+++ b/lib/util_tcp.cc
@@ -60,7 +60,7 @@ bool  TcpBuf::fill (TcpClient& tc) {
        }
     }
     s = tc.read (&*tail, buf.end () - tail);
-    if (s == 0)
+    if (s <= 0)
        return false;
     tail += s;