From 0495ba5d919e8b2e2d03be41e10df8ec7e1aade0 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Tue, 7 Aug 2018 13:47:14 -0400
Subject: [PATCH] file_util: Avoid sign-conversions in WriteArray() and
 ReadArray()

Prevents compiler warnings.
---
 src/common/file_util.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/common/file_util.h b/src/common/file_util.h
index f468ac483..57ff8b179 100644
--- a/src/common/file_util.h
+++ b/src/common/file_util.h
@@ -8,6 +8,7 @@
 #include <cstdio>
 #include <fstream>
 #include <functional>
+#include <limits>
 #include <string>
 #include <type_traits>
 #include <vector>
@@ -183,7 +184,7 @@ public:
 
         if (!IsOpen()) {
             m_good = false;
-            return -1;
+            return std::numeric_limits<size_t>::max();
         }
 
         size_t items_read = std::fread(data, sizeof(T), length, m_file);
@@ -204,7 +205,7 @@ public:
 
         if (!IsOpen()) {
             m_good = false;
-            return -1;
+            return std::numeric_limits<size_t>::max();
         }
 
         size_t items_written = std::fwrite(data, sizeof(T), length, m_file);