From 29c9bdcc141afb14fc9e1213f49de4fcded6ce0c Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Wed, 2 May 2018 12:12:55 +0200
Subject: Handle unsuccessful fseek(...):s

---
 src/logging.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/logging.cpp')

diff --git a/src/logging.cpp b/src/logging.cpp
index 10a3b1895..2a55d3665 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -254,7 +254,10 @@ void BCLog::Logger::ShrinkDebugFile()
     {
         // Restart the file with some of the end
         std::vector<char> vch(RECENT_DEBUG_HISTORY_SIZE, 0);
-        fseek(file, -((long)vch.size()), SEEK_END);
+        if (fseek(file, -((long)vch.size()), SEEK_END)) {
+            fclose(file);
+            return;
+        }
         int nBytes = fread(vch.data(), 1, vch.size(), file);
         fclose(file);
 
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