From 19c1cf839bc8ea292679b7ebb2d6e4d8c2d6d152 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 20 Aug 2015 17:52:52 +0100
Subject: [PATCH] Use r+b not ab for fopen_boost so that we get the behaviour
 we wanted.

---
 src/lib/writer.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 91263fe25..190304300 100644
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -294,7 +294,7 @@ Writer::have_sequenced_image_at_queue_head ()
 void
 Writer::write_frame_info (int frame, Eyes eyes, dcp::FrameInfo info) const
 {
-	FILE* file = fopen_boost (_film->info_file(), "ab");
+	FILE* file = fopen_boost (_film->info_file(), "r+b");
 	if (!file) {
 		throw OpenFileError (_film->info_file ());
 	}
@@ -784,7 +784,6 @@ Writer::frame_info_position (int frame, Eyes eyes) const
 		DCPOMATIC_ASSERT (false);
 	}
 
-
 	DCPOMATIC_ASSERT (false);
 }
 
-- 
2.30.2