remove some unnecessary OString constructor calls

Change-Id: I11358f17770cacb2a33011797f4be82dc02340b7
Reviewed-on: https://gerrit.libreoffice.org/38130Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

extensions/source/update/check/download.cxx

@@ -306,9 +306,9 @@ bool curl_run(const OUString& rURL, OutData& out, const OString& aProxyHost, sal
                 curl_easy_getinfo( pCURL, CURLINFO_RESPONSE_CODE, &nError );
 
                 if ( 403 == nError )
-                    aMessage += OString( " 403: Access denied!" );
+                    aMessage += " 403: Access denied!";
                 else if ( 404 == nError )
-                    aMessage += OString( " 404: File not found!" );
+                    aMessage += " 404: File not found!";
                 else if ( 416 == nError )
                 {
                     // we got this error probably, because we already downloaded the file
@@ -317,9 +317,9 @@ bool curl_run(const OUString& rURL, OutData& out, const OString& aProxyHost, sal
                 }
                 else
                 {
-                    aMessage += OString( ":error code = " );
+                    aMessage += ":error code = ";
                     aMessage += OString::number( nError );
-                    aMessage += OString( " !" );
+                    aMessage += " !";
                 }
             }
             if ( !ret )

idlc/source/astexpression.cxx

@@ -1044,10 +1044,10 @@ OString AstExpression::toString()
     switch (m_combOperator)
     {
         case ExprComb::UPlus:
-            exprStr += OString("+");
+            exprStr += "+";
             break;
         case ExprComb::UMinus:
-            exprStr += OString("-");
+            exprStr += "-";
             break;
         default:
             break;
@@ -1057,34 +1057,34 @@ OString AstExpression::toString()
     switch (m_combOperator)
     {
         case ExprComb::Add:
-            exprStr += OString(" + ");
+            exprStr += " + ";
             break;
         case ExprComb::Minus:
-            exprStr += OString(" - ");
+            exprStr += " - ";
             break;
         case ExprComb::Mul:
-            exprStr += OString(" * ");
+            exprStr += " * ";
             break;
         case ExprComb::Div:
-            exprStr += OString(" / ");
+            exprStr += " / ";
             break;
         case ExprComb::Mod:
-            exprStr += OString(" % ");
+            exprStr += " % ";
             break;
         case ExprComb::Or:
-            exprStr += OString(" | ");
+            exprStr += " | ";
             break;
         case ExprComb::Xor:
-            exprStr += OString(" ^ ");
+            exprStr += " ^ ";
             break;
         case ExprComb::And:
-            exprStr += OString(" & ");
+            exprStr += " & ";
             break;
         case ExprComb::Left:
-            exprStr += OString(" << ");
+            exprStr += " << ";
             break;
         case ExprComb::Right:
-            exprStr += OString(" >> ");
+            exprStr += " >> ";
             break;
         default:
             break;

l10ntools/source/xmlparse.cxx

@@ -933,7 +933,7 @@ XMLFile *SimpleXMLParser::Execute( const OString &rFileName, XMLFile* pXMLFileIn
         if ( !pXMLFile->GetName().isEmpty())
             m_aErrorInformation.m_sMessage += pXMLFile->GetName();
         else
-            m_aErrorInformation.m_sMessage += OString( "XML-File (");
+            m_aErrorInformation.m_sMessage += "XML-File (";
 
         m_aErrorInformation.m_sMessage +=
             OString::number(sal::static_int_cast< sal_Int64 >(m_aErrorInformation.m_nLine)) + "," +

sal/qa/osl/file/osl_File.cxx

@@ -4938,7 +4938,7 @@ namespace osl_Directory
 
 #if !defined(_WIN32) && !defined(ANDROID) && !defined(AIX)
             // FIXME would be nice to create unique dir even on Windows
-            tmp_x += OString("XXXXXX");
+            tmp_x += "XXXXXX";
             char *out = mkdtemp(const_cast<char*>(tmp_x.getStr()));
 
             CPPUNIT_ASSERT_MESSAGE

vcl/unx/generic/printer/printerinfomanager.cxx

@@ -840,7 +840,7 @@ FILE* PrinterInfoManager::startSpool( const OUString& rPrintername, bool bQuickC
     const OUString& rCommand       = (bQuickCommand && !rPrinterInfo.m_aQuickCommand.isEmpty() ) ?
                                           rPrinterInfo.m_aQuickCommand : rPrinterInfo.m_aCommand;
     OString aShellCommand  = OUStringToOString (rCommand, RTL_TEXTENCODING_ISO_8859_1);
-    aShellCommand += OString( " 2>/dev/null" );
+    aShellCommand += " 2>/dev/null";
 
     return popen (aShellCommand.getStr(), "w");
 }

xmlscript/test/imexp.cxx

@@ -190,7 +190,7 @@ void MyApp::Main()
         uno::Exception exc;
         if (rExc.WrappedException >>= exc)
         {
-            aStr += OString( " >>> " );
+            aStr += " >>> ";
             aStr += OUStringToOString( exc.Message, RTL_TEXTENCODING_ASCII_US );
         }
         OSL_FAIL( aStr.getStr() );