From 6db866661afa61df7778162dfd3f050487e3fb79 Mon Sep 17 00:00:00 2001
From: INADA Naoki <songofacandy@gmail.com>
Date: Fri, 5 Jan 2018 20:45:06 +0900
Subject: [PATCH] Raise MemoryError when failed to grow buffer

---
 msgpack/pack.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/msgpack/pack.h b/msgpack/pack.h
index d3aeff7c..3bc21ea5 100644
--- a/msgpack/pack.h
+++ b/msgpack/pack.h
@@ -48,7 +48,10 @@ static inline int msgpack_pack_write(msgpack_packer* pk, const char *data, size_
     if (len + l > bs) {
         bs = (len + l) * 2;
         buf = (char*)PyMem_Realloc(buf, bs);
-        if (!buf) return -1;
+        if (!buf) {
+            PyErr_NoMemory();
+            return -1;
+        }
     }
     memcpy(buf + len, data, l);
     len += l;