From 21a7bae2f1ba1cf2c57567a3226dee5cc5effdac Mon Sep 17 00:00:00 2001
From: Isidoro Ghezzi <isidoro.ghezzi@icloud.com>
Date: Fri, 4 Sep 2015 19:24:12 +0200
Subject: [PATCH] avoid undefined behaviour

TODO: use boost::lexical_cast or C++11 std::to_string
---
 src/libbitcoind.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libbitcoind.cc b/src/libbitcoind.cc
index bb866707..9212206f 100644
--- a/src/libbitcoind.cc
+++ b/src/libbitcoind.cc
@@ -1448,7 +1448,8 @@ NAN_METHOD(SendTransaction) {
     // Attempt to add the transaction to the mempool
     if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, !allowAbsurdFees)) {
       if (state.IsInvalid()) {
-        char *errorMessage;
+      // TODO: use boost::lexical_cast or C++11 std::to_string
+        char errorMessage [1024];
         sprintf(errorMessage, "%i: %s", state.GetRejectCode(), state.GetRejectReason().c_str());
         return NanThrowError(errorMessage);
       } else {