From 5cb62f78d9388ba8e477f58dcd654bc3463f20dd Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Mon, 30 May 2022 11:17:56 -0600
Subject: [PATCH] Modernize code.

---
 source/base/data_out_base.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index a6794da7ba..5844e00262 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -8007,7 +8007,7 @@ DataOutInterface<dim, spacedim>::write_xdmf_file(
   // Only rank 0 process writes the XDMF file
   if (myrank == 0)
     {
-      std::ofstream xdmf_file(filename.c_str());
+      std::ofstream xdmf_file(filename);
 
       xdmf_file << "<?xml version=\"1.0\" ?>\n";
       xdmf_file << "<!DOCTYPE Xdmf SYSTEM \"Xdmf.dtd\" []>\n";
-- 
2.39.5