From 56e967da7983056706f230087d2788ad1f86d3ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20M=C3=B6bius?= <moebius@cs.rwth-aachen.de>
Date: Wed, 23 Aug 2023 11:00:36 +0200
Subject: [PATCH] Fixed cppcheck warning

---
 .../Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc    | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc b/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc
index a6940f62..2bccda5e 100644
--- a/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc
+++ b/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc
@@ -178,9 +178,18 @@ replace_extension( std::string& _s, const std::string& _e )
 {
   std::string::size_type dot = _s.rfind(".");
   if (dot == std::string::npos)
-  { _s += "." + _e; }
+  {
+     // The name does not include a dot and therefore no extension. Adding both.
+     _s += "." + _e;
+  }
   else
-  { _s = _s.substr(0,dot+1)+_e; }
+  {
+     // get everything of the name including the dot but remove the extension.
+     const std::string name = _s.substr(0,dot+1);
+
+     // Add the new extenion
+     _s = name + _e;
+  }
   return _s;
 }