From 11c528987c2f4a53c066716597b14fe9c3f8a602 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Thu, 31 Jul 2014 17:22:59 +0800
Subject: [PATCH] bugfix: socket.read(fd, nil) should clear buffer size to 0

---
 lualib-src/lua-socket.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lualib-src/lua-socket.c b/lualib-src/lua-socket.c
index 916fa7a9..81322d17 100644
--- a/lualib-src/lua-socket.c
+++ b/lualib-src/lua-socket.c
@@ -246,6 +246,7 @@ lclearbuffer(lua_State *L) {
 	while(sb->head) {
 		return_free_node(L,2,sb);
 	}
+	sb->size = 0;
 	return 0;
 }
 
@@ -264,6 +265,7 @@ lreadall(lua_State *L) {
 		return_free_node(L,2,sb);
 	}
 	luaL_pushresult(&b);
+	sb->size = 0;
 	return 1;
 }