STYLE: adjust ITstream naming for empty_stream()

applications/test/ITstream/Test-ITstream.cxx

@@ -478,11 +478,14 @@ int main(int argc, char *argv[])
 
 
         {
-            auto& empty = ITstream::emptyStream();
+            auto& empty = ITstream::empty_stream();
             Info<< "The empty stream:" << nl
                 << "    name: " << empty.name()
                 << " good:" << empty.good()
                 << " content:" << empty << nl;
+
+            const token& tok0 = empty.peek();
+            Info<< "First token from empty:" << tok0.info() << nl;
         }
     }
 

src/OpenFOAM/db/IOstreams/Tstreams/ITstream.C

@@ -72,7 +72,7 @@ static label parseStream(ISstream& is, tokenList& tokens)
 
 // * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
 
-Foam::ITstream& Foam::ITstream::emptyStream()
+Foam::ITstream& Foam::ITstream::empty_stream()
 {
     if (emptyStreamPtr_)
     {

src/OpenFOAM/db/IOstreams/Tstreams/ITstream.H

@@ -197,9 +197,9 @@ public:
         //  The returned stream has no tokens and has a 'bad' state,
         //  to indicate that it is invalid for reading.
         //
-        //  \caution the caller can still modify the its contents,
+        //  \caution the caller is still able to modify its contents,
         //      but they should not do that!
-        static ITstream& emptyStream();
+        static ITstream& empty_stream();
 
         //- Create token list by parsing the input character sequence
         //- until no good tokens remain.

src/OpenFOAM/db/dictionary/dictionaryEntry/dictionaryEntry.C

@@ -74,7 +74,7 @@ Foam::ITstream& Foam::dictionaryEntry::stream() const
         << abort(FatalIOError);
 
     // Need to return something - send back an empty stream
-    return ITstream::emptyStream();
+    return ITstream::empty_stream();
 }