Resolves: rhbz#800272 complain about unknown command-line options

desktop/source/app/cmdlineargs.cxx

@@ -304,6 +304,15 @@ void CommandLineArgs::ParseCommandLine_Impl( Supplier& supplier )
                     {
                         bConversionOutEvent = true;
                     }
+#if defined UNX
+                    else
+                    {
+                        printf("Unknown option %s\n",
+                            rtl::OUStringToOString(aArg, osl_getThreadTextEncoding()).getStr());
+                        printf("Run 'soffice --help' to see a full list of available command line options.\n");
+                        SetBoolParam_Impl( CMD_BOOLPARAM_UNKNOWN, sal_True );
+                    }
+#endif
                 }
                 else
                 {
@@ -640,7 +649,7 @@ sal_Bool CommandLineArgs::InterpretCommandLineParameter( const ::rtl::OUString&
 
     if (bDeprecated)
     {
-        rtl::OString sArg(rtl::OUStringToOString(aArg, RTL_TEXTENCODING_UTF8));
+        rtl::OString sArg(rtl::OUStringToOString(aArg, osl_getThreadTextEncoding()));
         fprintf(stderr, "Warning: %s is deprecated.  Use -%s instead.\n", sArg.getStr(), sArg.getStr());
     }
     return sal_True;
@@ -851,6 +860,12 @@ sal_Bool CommandLineArgs::IsVersion() const
     return m_aBoolParams[ CMD_BOOLPARAM_VERSION ];
 }
 
+sal_Bool CommandLineArgs::HasUnknown() const
+{
+    osl::MutexGuard  aMutexGuard( m_aMutex );
+    return m_aBoolParams[ CMD_BOOLPARAM_UNKNOWN ];
+}
+
 sal_Bool CommandLineArgs::HasModuleParam() const
 {
     osl::MutexGuard  aMutexGuard( m_aMutex );

desktop/source/app/cmdlineargs.hxx

@@ -71,6 +71,7 @@ class CommandLineArgs
             CMD_BOOLPARAM_HELPBASE,
             CMD_BOOLPARAM_PSN,
             CMD_BOOLPARAM_VERSION,
+            CMD_BOOLPARAM_UNKNOWN,
             CMD_BOOLPARAM_COUNT             // must be last element!
         };
 
@@ -162,6 +163,7 @@ class CommandLineArgs
         sal_Bool                IsWeb() const;
         sal_Bool                IsVersion() const;
         sal_Bool                HasModuleParam() const;
+        sal_Bool                HasUnknown() const;
         sal_Bool                WantsToLoadDocument() const;
 
         // Access to string parameters

desktop/source/app/officeipcthread.cxx

@@ -709,6 +709,12 @@ void OfficeIPCThread::execute()
 #endif
                 continue;
             }
+
+#ifdef UNX
+            if (aCmdLineArgs->HasUnknown() || aCmdLineArgs->IsVersion() || aCmdLineArgs->IsHelp())
+                continue;
+#endif
+
             const CommandLineArgs &rCurrentCmdLineArgs = Desktop::GetCommandLineArgs();
 
             if ( aCmdLineArgs->IsQuickstart() )

desktop/source/app/sofficemain.cxx

@@ -71,6 +71,10 @@ extern "C" int DESKTOP_DLLPUBLIC soffice_main()
         desktop::displayVersion();
         return EXIT_SUCCESS;
     }
+    else if ( rCmdLineArgs.HasUnknown() )
+    {
+        return EXIT_FAILURE;
+    }
 #endif
     return SVMain();
 #ifdef ANDROID