From cd9adbb00a594551b45236cf61cb5b2c50d57df8 Mon Sep 17 00:00:00 2001
From: Felix Kauselmann <2039670+selmf@users.noreply.github.com>
Date: Mon, 23 Feb 2015 14:14:22 +0100
Subject: [PATCH] Initial fix for racing condition in code for detecting
 first/last page of a comic that could lead to crashes.

---
 YACReader/render.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/YACReader/render.cpp b/YACReader/render.cpp
index 5f311657..155c1a5a 100644
--- a/YACReader/render.cpp
+++ b/YACReader/render.cpp
@@ -849,7 +849,7 @@ void Render::nextPage()
 		update();
 		emit pageChanged(currentIndex);
 	}
-	else
+	else if (hasLoadedComic() && (currentIndex == numPages()-1))
 	{
 		emit isLast();
 	}
@@ -873,7 +873,7 @@ void Render::nextDoublePage()
 		update();
 		emit pageChanged(currentIndex);
 	}
-	else
+	else if (hasLoadedComic() && (currentIndex >= numPages()-2))
 	{
 		emit isLast();
 	}
@@ -894,7 +894,7 @@ void Render::previousPage()
 		update();
 		emit pageChanged(currentIndex);
 	}
-	else
+	else if (hasLoadedComic() && (currentIndex == 0))
 	{
 		emit isCover();
 	}