From 1979722ba2de84e68ae5992d33bc39461aa7b4b2 Mon Sep 17 00:00:00 2001
From: INADA Naoki <methane@users.noreply.github.com>
Date: Fri, 5 Jan 2018 20:58:14 +0900
Subject: Raise MemoryError when failed to grow buffer (#263)

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

diff --git a/msgpack/pack.h b/msgpack/pack.h
index d3aeff7..3bc21ea 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;
-- 
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