From e08da0e6e0f160eadda1db1162574eb9d242431d Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Tue, 26 Nov 2019 16:22:24 +1100
Subject: [PATCH] Change File.endPieceIndex calculation

I think previously it would round-up when it shouldn't.
---
 file.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/file.go b/file.go
index 4775b4ff..6925101c 100644
--- a/file.go
+++ b/file.go
@@ -180,5 +180,5 @@ func (f *File) endPieceIndex() pieceIndex {
 	if f.t.usualPieceSize() == 0 {
 		return 0
 	}
-	return pieceIndex((f.offset+f.length-1)/int64(f.t.usualPieceSize())) + 1
+	return pieceIndex((f.offset + f.length + int64(f.t.usualPieceSize()) - 1) / int64(f.t.usualPieceSize()))
 }