From 59e6e127d25282157cdbed15c009609b6ca62fc2 Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Tue, 3 Feb 2009 19:22:55 +0000
Subject: [PATCH] MFB: Return empty string when recv() does not fetch any data

---
 ext/sockets/sockets.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
index fbec34b3798..2bf6cb3876f 100644
--- a/ext/sockets/sockets.c
+++ b/ext/sockets/sockets.c
@@ -1046,6 +1046,9 @@ PHP_FUNCTION(socket_read)
 
 		efree(tmpbuf);
 		RETURN_FALSE;
+	} else if (!retval) {
+		efree(tmpbuf);
+		RETURN_EMPTY_STRING();
 	}
 
 	tmpbuf = erealloc(tmpbuf, retval + 1);