From 7effcce394b5583bd632db8c55c9954d326985a7 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 3 Jul 2020 12:35:25 +0200
Subject: Don't double-count last chunk

---
 libcrystfel/src/stream.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'libcrystfel')

diff --git a/libcrystfel/src/stream.c b/libcrystfel/src/stream.c
index 8dfa343d..150bf0af 100644
--- a/libcrystfel/src/stream.c
+++ b/libcrystfel/src/stream.c
@@ -1489,7 +1489,9 @@ int stream_scan_chunks(Stream *st)
 
 		}
 
-		st->chunk_offsets[st->n_chunks++] = ftell(st->fh);
+		if ( !done ) {
+			st->chunk_offsets[st->n_chunks++] = ftell(st->fh);
+		}
 
 	} while ( !done );
 
-- 
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