From 9d1d3a454e95098bebe1807f4d05f9378bfc0f81 Mon Sep 17 00:00:00 2001
From: kenshi84 <kenshi84@protonmail.ch>
Date: Fri, 6 Jan 2017 08:37:15 +0900
Subject: portable serializer: use signed char for size

---
 external/boost/archive/portable_binary_archive.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'external/boost/archive/portable_binary_archive.hpp')

diff --git a/external/boost/archive/portable_binary_archive.hpp b/external/boost/archive/portable_binary_archive.hpp
index 560ef121b..e940c5b9e 100644
--- a/external/boost/archive/portable_binary_archive.hpp
+++ b/external/boost/archive/portable_binary_archive.hpp
@@ -14,6 +14,7 @@
 #include <boost/config.hpp>
 #include <boost/cstdint.hpp>
 #include <boost/static_assert.hpp>
+#include <boost/archive/archive_exception.hpp>
 
 #include <climits>
 #if CHAR_BIT != 8
@@ -37,7 +38,9 @@ enum portable_binary_archive_flags {
 //#endif
 
 inline void
-reverse_bytes(char size, char *address){
+reverse_bytes(signed char size, char *address){
+    if (size <= 0)
+        throw archive_exception(archive_exception::other_exception);
     char * first = address;
     char * last = first + size - 1;
     for(;first < last;++first, --last){
-- 
cgit v1.2.3