From a7e06a4875dfa59f54e8a980ca745bbc53981474 Mon Sep 17 00:00:00 2001
From: Niklas Larsson <niklas@weblink.se>
Date: Mon, 28 Sep 2015 17:31:44 +0200
Subject: [PATCH] Rolling logfile when starting if needed

---
 src/RollingFileAppender.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/RollingFileAppender.cpp b/src/RollingFileAppender.cpp
index 714e926..80b2043 100644
--- a/src/RollingFileAppender.cpp
+++ b/src/RollingFileAppender.cpp
@@ -144,7 +144,17 @@ void RollingFileAppender::computeRollOverTime()
 {
   Q_ASSERT_X(!m_datePatternString.isEmpty(), "DailyRollingFileAppender::computeRollOverTime()", "No active date pattern");
 
-  QDateTime now = QDateTime::currentDateTime();
+  QDateTime now;
+
+  QFileInfo fileInfo = QFileInfo(this->fileName());
+  if(fileInfo.isFile()){
+    now = fileInfo.lastModified();
+  }
+
+  if(!now.isValid() || now > QDateTime::currentDateTime()){
+    now = QDateTime::currentDateTime();
+  }
+
   QDate nowDate = now.date();
   QTime nowTime = now.time();
   QDateTime start;