use rtl_ustr_getLength instead of a temporary string just to find length

Change-Id: Ibbf777e57af6b98611cb5dce5a31517de80305b7

basic/source/comp/scanner.cxx

@@ -433,8 +433,7 @@ bool SbiScanner::NextSym()
             // from 4.1.1996: buffer full, go on scanning empty
             if( (p-buf) == (BUF_SIZE-1) )
                 bBufOverflow = true;
-            else if( String( cmp ).Search( ch ) != STRING_NOTFOUND )
-            //else if( strchr( cmp, ch ) )
+            else if( rtl::OUString( cmp ).indexOf( ch ) != -1 )
                 *p++ = ch;
             else
             {
@@ -522,7 +521,7 @@ PrevLineCommentLbl:
     {
         bPrevLineExtentsComment = false;
         aSym = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("REM"));
-        sal_Int32 nLen = String( pLine ).Len();
+        sal_Int32 nLen = rtl_ustr_getLength(pLine);
         if( bCompatible && pLine[ nLen - 1 ] == '_' && pLine[ nLen - 2 ] == ' ' )
             bPrevLineExtentsComment = true;
         nCol2 = nCol2 + nLen;

svtools/source/edit/textdoc.cxx

@@ -553,7 +553,7 @@ sal_uLong TextDoc::GetTextLen( const xub_Unicode* pSep, const TextSelection* pSe
         }
 
         if ( pSep )
-            nLen += (nEndNode-nStartNode) * String( pSep ).Len();
+            nLen += (nEndNode-nStartNode) * rtl_ustr_getLength(pSep);
     }
 
     return nLen;