From a1141bde7bcdb5b49d6cbb01adfe3f5597333357 Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <bobby@neoawareness.com>
Date: Sat, 18 Dec 2010 23:55:29 -0800
Subject: [PATCH] Changed some of the error messages to match LuaSocket.

---
 zmq.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/zmq.c b/zmq.c
index 9029c8d..aab4643 100644
--- a/zmq.c
+++ b/zmq.c
@@ -67,11 +67,26 @@ static int Lzmq_version(lua_State *L)
     return 1;
 }
 
+static int Lzmq_push_error(lua_State *L)
+{
+    const char *error;
+    lua_pushnil(L);
+    switch(zmq_errno()) {
+    case EAGAIN:
+        lua_pushliteral(L, "timeout");
+        break;
+    case ETERM:
+        lua_pushliteral(L, "closed");
+        break;
+    default:
+        error = zmq_strerror(zmq_errno());
+        lua_pushlstring(L, error, strlen(error));
+        break;
+    }
+    return 2;
+}
 #define zmq_return_error() \
-    const char *error = zmq_strerror(zmq_errno()); \
-    lua_pushnil(L); \
-    lua_pushlstring(L, error, strlen(error)); \
-    return 2
+    return Lzmq_push_error(L)
 
 static int Lzmq_init(lua_State *L)
 {