Added a newly overloaded function for writeDef()

Signed-off-by: Jaehyun Kim <[email protected]>

Author: jhkim-pii

include/ord/OpenRoad.hh

@@ -187,9 +187,10 @@ class OpenRoad
                         int bloat_factor,
                         bool bloat_occupied_layers);
 
+  void writeDef(const char* filename, const char* version);
   void writeDef(const char* filename,
                 // major.minor (avoid including defout.h)
-                const char* version);
+                const string& version);
 
   void writeCdl(const char* out_filename,
                 const std::vector<const char*>& masters_filenames,

src/OpenRoad.cc

@@ -349,6 +349,11 @@ static odb::defout::Version stringToDefVersion(const string& version)
 }
 
 void OpenRoad::writeDef(const char* filename, const char* version)
+{
+  writeDef(filename, std::string(version));
+}
+
+void OpenRoad::writeDef(const char* filename, const string& version)
 {
   odb::dbChip* chip = db_->getChip();
   if (chip) {