Return empty string when recv() does not fetch any data

diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
index 4e31e905f0436dd89d7b2a2b6db9cc9388567d37..66b1edda9bf1fdb6d7e30c438adf8a6630055b99 100644 (file)
--- a/ext/sockets/sockets.c
+++ b/ext/sockets/sockets.c
@@ -901,6 +901,9 @@ PHP_FUNCTION(socket_read)
 
                efree(tmpbuf);
                RETURN_FALSE;
+       } else if (!retval) {
+               efree(tmpbuf);
+               RETURN_EMPTY_STRING();
        }
 
        tmpbuf = erealloc(tmpbuf, retval + 1);