commit 3b15963316b59cd1af3468a43535d90343916ffb

Author: Dimitri van Heesch <doxygen@gmail.com>

Date:   Mon Jan 18 19:59:16 2021 +0100

    issue #8343: doxygen-1.9.1 crashes when parsing config file

diff --git a/src/configimpl.l b/src/configimpl.l

index 7f73ec01..56a2e108 100644

--- a/src/configimpl.l

+++ b/src/configimpl.l

@@ -1210,7 +1210,7 @@ static void substEnvVarsInStrList(StringVector &sl)

               c=result.at(i);

               if (c=='"') // end quote

               {

-                results.push_back(result.mid(p,i-p).data());

+                results.push_back(result.mid(p,i-p).str());

                 p=i+1;

                 break;

               }

@@ -1222,7 +1222,7 @@ static void substEnvVarsInStrList(StringVector &sl)

           }

           else if (c==' ' || c=='\t') // separator

           {

-            if (i>p) results.push_back(result.mid(p,i-p).data());

+            if (i>p) results.push_back(result.mid(p,i-p).str());

             p=i+1;

           }

         }

@@ -1234,7 +1234,7 @@ static void substEnvVarsInStrList(StringVector &sl)

     }

     else // just goto the next element in the list

     {

-      if (!result.isEmpty()) results.push_back(result.data());

+      if (!result.isEmpty()) results.push_back(result.str());

     }

   }

   sl = results;

@@ -1409,7 +1409,7 @@ static void cleanUpPaths(StringVector &str)

       QFileInfo fi(path.c_str());

       if (fi.exists() && fi.isDir())

       {

-        path = fi.absFilePath().utf8().data();

+        path = fi.absFilePath().utf8().str();

         if (path[path.size()-1]!='/') path+='/';

       }

     }

@@ -1545,7 +1545,7 @@ void Config::checkAndCorrect()

     QString p = QDir::currentDirPath();

     if (p.at(p.length()-1)!='/')

         p.append('/');

-    stripFromPath.push_back(p.utf8().data());

+    stripFromPath.push_back(p.utf8().str());

   }

   else

   {

@@ -1882,7 +1882,7 @@ void Config::checkAndCorrect()

   if (inputSources.empty())

   {

     // use current dir as the default

-    inputSources.push_back(QDir::currentDirPath().utf8().data());

+    inputSources.push_back(QDir::currentDirPath().utf8().str());

   }

   else

   {