Merge pull request #3297 from toonetown/recv-buffer-overflow

Windows apparently returns `WSAENOBUFS` from `recv`

RELICENSE/toonetown.md

+# Permission to Relicense under MPLv2 or any other OSI approved license chosen by the current ZeroMQ BDFL
+
+This is a statement by Nathan Toone that grants permission to
+relicense its copyrights in the libzmq C++ library (ZeroMQ) under the
+Mozilla Public License v2 (MPLv2) or any other Open Source Initiative
+approved license chosen by the current ZeroMQ BDFL (Benevolent
+Dictator for Life).
+
+A portion of the commits made by the Github handle "toonetown", with
+commit author "Nathan Toone <nathan@toonetown.com>", are
+copyright of Nathan Toone.  This document hereby grants the libzmq
+project team to relicense libzmq, including all past, present and
+future contributions of the author listed above.
+
+Nathan Toone
+2018/11/05
+

src/tcp.cpp

@@ -284,7 +284,7 @@ int zmq::tcp_read (fd_t s_, void *data_, size_t size_)
               last_error == WSAENETDOWN || last_error == WSAENETRESET
               || last_error == WSAECONNABORTED || last_error == WSAETIMEDOUT
               || last_error == WSAECONNRESET || last_error == WSAECONNREFUSED
-              || last_error == WSAENOTCONN);
+              || last_error == WSAENOTCONN || last_error == WSAENOBUFS);
             errno = wsa_error_to_errno (last_error);
         }
     }