diff --git a/src/logdata/include/linetypes.h b/src/logdata/include/linetypes.h
index c8689d688..70d6c230a 100644
--- a/src/logdata/include/linetypes.h
+++ b/src/logdata/include/linetypes.h
@@ -306,7 +306,7 @@ class FilePosition {
 // Length of a tab stop
 constexpr int TabStop = 8;
 
-inline QString untabify( QString&& line, LineColumn initialPosition = 0_lcol )
+inline QString untabify( QString&& line, const LineColumn& initialPosition = 0_lcol )
 {
     line.replace( QChar::Null, QChar::Space );
 
diff --git a/src/logdata/include/logdataworker.h b/src/logdata/include/logdataworker.h
index 56dcc751f..1a84ebfaf 100644
--- a/src/logdata/include/logdataworker.h
+++ b/src/logdata/include/logdataworker.h
@@ -216,7 +216,7 @@ class IndexingData {
 
     // Atomically add to all the existing
     // indexing data.
-    void addAll( const klogg::vector<char>& block, LineLength length,
+    void addAll( const klogg::vector<char>& block, const LineLength& length,
                  const FastLinePositionArray& linePosition, QTextCodec* encoding );
 
     // Completely clear the indexing data.
diff --git a/src/logdata/include/logfiltereddataworker.h b/src/logdata/include/logfiltereddataworker.h
index 688cbf1b0..56686f6b2 100644
--- a/src/logdata/include/logfiltereddataworker.h
+++ b/src/logdata/include/logfiltereddataworker.h
@@ -101,6 +101,7 @@ class SearchData {
     // Atomically add to all the existing search data.
     void addAll( LineLength length, const SearchResultArray& matches, LinesCount nbMatches,
                  LinesCount nbLinesProcessed );
+
     // Get the number of matches
     LinesCount getNbMatches() const;
     // Get the last matched line number
diff --git a/src/logdata/src/logdataworker.cpp b/src/logdata/src/logdataworker.cpp
index dcdeb8f20..e9df49cf3 100644
--- a/src/logdata/src/logdataworker.cpp
+++ b/src/logdata/src/logdataworker.cpp
@@ -126,7 +126,6 @@ QTextCodec* IndexingData::getForcedEncoding() const
 
 void IndexingData::addAll( const klogg::vector<char>& block, LineLength length,
                            const FastLinePositionArray& newLinePosition, QTextCodec* encoding )
-
 {
     maxLength_ = std::max( maxLength_, length );
     std::visit(
diff --git a/src/ui/include/abstractlogview.h b/src/ui/include/abstractlogview.h
index de1a5867a..c7e7f5ed3 100644
--- a/src/ui/include/abstractlogview.h
+++ b/src/ui/include/abstractlogview.h
@@ -247,8 +247,8 @@ class AbstractLogView : public QAbstractScrollArea, public SearchableWidgetInter
     // Scrolling as necessary
     void trySelectLine( LineNumber newLine );
     void selectAndDisplayLine( LineNumber line );
-    void selectPortionAndDisplayLine( LineNumber line, LinesCount nLines, LineColumn startCol,
-                                      LineLength nSymbols );
+    void selectPortionAndDisplayLine( LineNumber line, LinesCount nLines, const LineColumn& startCol,
+                                      const LineLength& nSymbols );
 
     // Use the current QFP to go and select the next match.
     void searchForward() override;
@@ -487,7 +487,7 @@ class AbstractLogView : public QAbstractScrollArea, public SearchableWidgetInter
     // Utils functions
     void updateGlobalSelection();
 
-    void selectAndDisplayRange( FilePosition pos );
+    void selectAndDisplayRange( const FilePosition& pos );
 };
 
 #endif
diff --git a/src/ui/include/crawlerwidget.h b/src/ui/include/crawlerwidget.h
index 7fe1a4dd6..bc44bbacf 100644
--- a/src/ui/include/crawlerwidget.h
+++ b/src/ui/include/crawlerwidget.h
@@ -198,11 +198,11 @@ class CrawlerWidget : public QSplitter,
     void updateFilteredView( LinesCount nbMatches, int progress, LineNumber initialPosition );
     // Called when a new line has been selected in the filtered view,
     // to instruct the main view to jump to the matching line.
-    void jumpToMatchingLine( LineNumber filteredLineNb, LinesCount nLines, LineColumn startCol,
-                             LineLength nSymbols );
+    void jumpToMatchingLine( LineNumber filteredLineNb, LinesCount nLines, const LineColumn& startCol,
+                             const LineLength& nSymbols );
     // Called when the main view is on a new line number
-    void updateLineNumberHandler( LineNumber line, LinesCount nLines, LineColumn startCol,
-                                  LineLength nSymbols );
+    void updateLineNumberHandler( LineNumber line, LinesCount nLines, const LineColumn& startCol,
+                                  const LineLength& nSymbols );
     // Mark a line that has been clicked on the main (top) view.
     void markLinesFromMain( const klogg::vector<LineNumber>& lines );
     // Mark a line that has been clicked on the filtered (bottom) view.
diff --git a/src/ui/include/mainwindow.h b/src/ui/include/mainwindow.h
index 5ef9f2282..229899883 100644
--- a/src/ui/include/mainwindow.h
+++ b/src/ui/include/mainwindow.h
@@ -146,8 +146,8 @@ class MainWindow : public QMainWindow {
 
     // Update the selection information displayed in the status bar.
     // Must be passed as the internal (starts at 0) line number.
-    void lineNumberHandler( LineNumber startLine, LinesCount nLines, LineColumn startCol,
-                            LineLength nSymbols );
+    void lineNumberHandler( LineNumber startLine, LinesCount nLines, const LineColumn& startCol,
+                            const LineLength& nSymbols );
 
     // Save current search in line edit as predefined filter.
     // Opens dialog with new entry.
diff --git a/src/ui/include/quickfind.h b/src/ui/include/quickfind.h
index 57a8af566..94e5ac3f9 100644
--- a/src/ui/include/quickfind.h
+++ b/src/ui/include/quickfind.h
@@ -152,7 +152,7 @@ class QuickFind : public QObject {
 
     class LastMatchPosition {
       public:
-        void set( LineNumber line, LineColumn column );
+        void set( LineNumber line, const LineColumn& column );
         void set( const FilePosition& position );
         void reset()
         {
@@ -160,10 +160,10 @@ class QuickFind : public QObject {
             column_ = LineColumn{-1};
         }
         // Does the passed position come after the recorded one
-        bool isLater( OptionalLineNumber line, LineColumn column ) const;
+        bool isLater( OptionalLineNumber line, const LineColumn& column ) const;
         bool isLater( const FilePosition& position ) const;
         // Does the passed position come before the recorded one
-        bool isSooner( OptionalLineNumber line, LineColumn column ) const;
+        bool isSooner( OptionalLineNumber line, const LineColumn& column ) const;
         bool isSooner( const FilePosition& position ) const;
 
       private:
diff --git a/src/ui/include/quickfindpattern.h b/src/ui/include/quickfindpattern.h
index e26d3dc0f..8a3bff263 100644
--- a/src/ui/include/quickfindpattern.h
+++ b/src/ui/include/quickfindpattern.h
@@ -69,10 +69,10 @@ class QuickFindMatcher {
     // Returns whether there is a match in the passed line, starting at
     // the passed column.
     // Results are stored internally.
-    bool isLineMatching( const QString& line, LineColumn column = 0_lcol ) const;
+    bool isLineMatching( const QString& line, const LineColumn& column = 0_lcol ) const;
 
     // Same as isLineMatching but search backward
-    bool isLineMatchingBackward( const QString& line, LineColumn column = LineColumn{-1} ) const;
+    bool isLineMatchingBackward( const QString& line, const LineColumn& column = LineColumn{-1} ) const;
 
     // Must be called when isLineMatching returns 'true', returns
     // the position of the first match found.
diff --git a/src/ui/include/selection.h b/src/ui/include/selection.h
index fddd43e8f..36acd10ae 100644
--- a/src/ui/include/selection.h
+++ b/src/ui/include/selection.h
@@ -94,7 +94,7 @@ class Selection {
         selectedLine_ = line;
     }
     // Select a portion of line (both start and end included)
-    void selectPortion( LineNumber line, LineColumn startColumn, LineColumn endColumn );
+    void selectPortion( LineNumber line, const LineColumn& startColumn, const LineColumn& endColumn );
     void selectPortion( const Portion& selection )
     {
         selectPortion( selection.line(), selection.startColumn(), selection.endColumn() );
@@ -145,7 +145,7 @@ class Selection {
     bool isLineSelected( LineNumber line ) const;
 
     // Returns wether the line passed is selected in certain range.
-    bool isPortionSelected( LineNumber line, LineColumn startColumn, LineColumn endColumn ) const;
+    bool isPortionSelected( LineNumber line, const LineColumn& startColumn, const LineColumn& endColumn ) const;
 
     // Returns the line selected or -1 if not a single line selection
     OptionalLineNumber selectedLine() const;
diff --git a/src/ui/src/abstractlogview.cpp b/src/ui/src/abstractlogview.cpp
index f53d457eb..517fb64d7 100644
--- a/src/ui/src/abstractlogview.cpp
+++ b/src/ui/src/abstractlogview.cpp
@@ -10,7 +10,7 @@
  * (at your option) any later version.
  *
  * glogg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * but WITHOUT ANY WARRANTY; without even the implied warranty o
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
@@ -1686,7 +1686,7 @@ void AbstractLogView::selectAndDisplayLine( LineNumber line )
 }
 
 void AbstractLogView::selectPortionAndDisplayLine( LineNumber line, LinesCount nLines,
-                                                   LineColumn startCol, LineLength nSymbols )
+                                                   const LineColumn& startCol, const LineLength& nSymbols )
 {
     disableFollow();
     selection_.selectLine( line );
@@ -1981,7 +1981,7 @@ void AbstractLogView::updateGlobalSelection()
     }
 }
 
-void AbstractLogView::selectAndDisplayRange( FilePosition pos )
+void AbstractLogView::selectAndDisplayRange( const FilePosition& pos )
 {
     disableFollow();
     selection_.selectRange( selectionStartPos_.line(), pos.line() );
diff --git a/src/ui/src/crawlerwidget.cpp b/src/ui/src/crawlerwidget.cpp
index 707e101a8..cc82511bf 100644
--- a/src/ui/src/crawlerwidget.cpp
+++ b/src/ui/src/crawlerwidget.cpp
@@ -545,7 +545,7 @@ void CrawlerWidget::updateFilteredView( LinesCount nbMatches, int progress,
 }
 
 void CrawlerWidget::jumpToMatchingLine( LineNumber filteredLineNb, LinesCount nLines,
-                                        LineColumn startCol, LineLength nSymbols )
+                                        const LineColumn& startCol, const LineLength& nSymbols )
 {
     const auto mainViewLine = logFilteredData_->getMatchingLineNumber( filteredLineNb );
     logMainView_->selectPortionAndDisplayLine( mainViewLine, nLines, startCol,
@@ -553,7 +553,7 @@ void CrawlerWidget::jumpToMatchingLine( LineNumber filteredLineNb, LinesCount nL
 }
 
 void CrawlerWidget::updateLineNumberHandler( LineNumber line, LinesCount nLines,
-                                             LineColumn startCol, LineLength nSymbols )
+                                             const LineColumn& startCol, const LineLength& nSymbols )
 {
     currentLineNumber_ = line;
     Q_EMIT newSelection( line, nLines, startCol, nSymbols );
diff --git a/src/ui/src/mainwindow.cpp b/src/ui/src/mainwindow.cpp
index e53066863..29d519942 100644
--- a/src/ui/src/mainwindow.cpp
+++ b/src/ui/src/mainwindow.cpp
@@ -1319,8 +1319,8 @@ void MainWindow::changeFollowMode( bool follow )
     followAction->setChecked( follow );
 }
 
-void MainWindow::lineNumberHandler( LineNumber startLine, LinesCount nLines, LineColumn startCol,
-                                    LineLength nSymbols )
+void MainWindow::lineNumberHandler( LineNumber startLine, LinesCount nLines, const LineColumn& startCol,
+                                    const LineLength& nSymbols )
 {
     // The line number received is the internal (starts at 0)
     uint64_t fileSize{};
diff --git a/src/ui/src/quickfind.cpp b/src/ui/src/quickfind.cpp
index 0e3beebed..bb4b0f46e 100644
--- a/src/ui/src/quickfind.cpp
+++ b/src/ui/src/quickfind.cpp
@@ -71,7 +71,7 @@ void SearchingNotifier::sendNotification( LineNumber current_line, LinesCount nb
     startTime_ = QTime::currentTime().addMSecs( -800 );
 }
 
-void QuickFind::LastMatchPosition::set( LineNumber line, LineColumn column )
+void QuickFind::LastMatchPosition::set( LineNumber line, const LineColumn& column )
 {
     if ( ( !line_.has_value() ) || ( ( line <= *line_ ) && ( column < column_ ) ) ) {
         line_ = line;
@@ -84,7 +84,7 @@ void QuickFind::LastMatchPosition::set( const FilePosition& position )
     set( position.line(), position.column() );
 }
 
-bool QuickFind::LastMatchPosition::isLater( OptionalLineNumber line, LineColumn column ) const
+bool QuickFind::LastMatchPosition::isLater( OptionalLineNumber line, const LineColumn& column ) const
 {
     if ( !line_.has_value() || !line.has_value() )
         return false;
@@ -101,7 +101,7 @@ bool QuickFind::LastMatchPosition::isLater( const FilePosition& position ) const
     return isLater( position.line(), position.column() );
 }
 
-bool QuickFind::LastMatchPosition::isSooner( OptionalLineNumber line, LineColumn column ) const
+bool QuickFind::LastMatchPosition::isSooner( OptionalLineNumber line, const LineColumn& column ) const
 {
     if ( !line_.has_value() || !line.has_value() )
         return false;
diff --git a/src/ui/src/quickfindpattern.cpp b/src/ui/src/quickfindpattern.cpp
index ebf85e293..8e85484e7 100644
--- a/src/ui/src/quickfindpattern.cpp
+++ b/src/ui/src/quickfindpattern.cpp
@@ -52,7 +52,7 @@
 
 constexpr Qt::GlobalColor QfForeColor = Qt::black;
 
-bool QuickFindMatcher::isLineMatching( const QString& line, LineColumn column ) const
+bool QuickFindMatcher::isLineMatching( const QString& line, const LineColumn& column ) const
 {
     if ( !isActive_ )
         return false;
@@ -68,7 +68,7 @@ bool QuickFindMatcher::isLineMatching( const QString& line, LineColumn column )
     }
 }
 
-bool QuickFindMatcher::isLineMatchingBackward( const QString& line, LineColumn column ) const
+bool QuickFindMatcher::isLineMatchingBackward( const QString& line, const LineColumn& column ) const
 {
     if ( !isActive_ )
         return false;
diff --git a/src/ui/src/selection.cpp b/src/ui/src/selection.cpp
index 348d997a6..39b49abc2 100644
--- a/src/ui/src/selection.cpp
+++ b/src/ui/src/selection.cpp
@@ -39,7 +39,7 @@ Selection::Selection()
     selectedRange_.endLine = 0_lnum;
 }
 
-void Selection::selectPortion( LineNumber line, LineColumn startColumn, LineColumn endColumn )
+void Selection::selectPortion( LineNumber line, const LineColumn& startColumn, const LineColumn& endColumn )
 {
     // First unselect any whole line or range
     selectedLine_ = {};
@@ -113,8 +113,8 @@ bool Selection::isLineSelected( LineNumber line ) const
         return false;
 }
 
-bool Selection::isPortionSelected( LineNumber line, LineColumn startColumn,
-                                   LineColumn endColumn ) const
+bool Selection::isPortionSelected( LineNumber line, const LineColumn& startColumn,
+                                   const LineColumn& endColumn ) const
 {
     if ( isLineSelected( line ) ) {
         return true;
diff --git a/src/utils/include/crc32.h b/src/utils/include/crc32.h
index 51f8646f1..c2de9fdef 100644
--- a/src/utils/include/crc32.h
+++ b/src/utils/include/crc32.h
@@ -24,7 +24,7 @@
 
 class Crc32 {
   public:
-    static quint32 calculate( QByteArray text )
+    static quint32 calculate( const QByteArray& text )
     {
         quint32 crc32 = 0xffffffff;
         for ( auto i = 0; i < text.size(); ++i ) {
@@ -76,4 +76,4 @@ class Crc32 {
             0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d };
 };
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/versioncheck/include/versionchecker.h b/src/versioncheck/include/versionchecker.h
index 486e25eeb..8025f31e4 100644
--- a/src/versioncheck/include/versionchecker.h
+++ b/src/versioncheck/include/versionchecker.h
@@ -94,7 +94,7 @@ class VersionChecker : public QObject {
     void downloadFinished( QNetworkReply* );
 
   private:
-    void checkVersionData( QByteArray versionData );
+    void checkVersionData( const QByteArray& versionData );
 
   private:
     QNetworkAccessManager* manager_ = nullptr;
diff --git a/src/versioncheck/src/versionchecker.cpp b/src/versioncheck/src/versionchecker.cpp
index c41fda24f..8518bf9b6 100644
--- a/src/versioncheck/src/versionchecker.cpp
+++ b/src/versioncheck/src/versionchecker.cpp
@@ -150,7 +150,7 @@ void VersionChecker::downloadFinished( QNetworkReply* reply )
     config.save();
 }
 
-void VersionChecker::checkVersionData( QByteArray versionData )
+void VersionChecker::checkVersionData( const QByteArray& versionData )
 {
     LOG_DEBUG << "Version reply: " << QString::fromUtf8( versionData );
 
@@ -194,4 +194,4 @@ void VersionChecker::checkVersionData( QByteArray versionData )
 
         Q_EMIT newVersionFound( latestVersion, url, changes );
     }
-}
\ No newline at end of file
+}