From 48a36eb148fc7475012e7f8058d26308ab919592 Mon Sep 17 00:00:00 2001
From: Simon Mitternacht <simon.mitternacht@nrk.no>
Date: Wed, 5 May 2021 20:47:27 +0200
Subject: [PATCH] Close file when done in CIF output.

---
 src/cif.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/cif.cc b/src/cif.cc
index 62d2039..ec6799b 100644
--- a/src/cif.cc
+++ b/src/cif.cc
@@ -744,5 +744,11 @@ int freesasa_export_tree_to_cif(const char *filename,
 
     std::ostream out(buf);
 
-    return write_result(out, root, options);
+    int ret = write_result(out, root, options);
+
+    if (filename != NULL) {
+        fout.close();
+    }
+
+    return ret;
 }