Add "-u" option to the server (disables stdout buffering)

Author: jushar

Server/core/CServerImpl.cpp

@@ -938,6 +938,11 @@ bool CServerImpl::ParseArguments ( int iArgumentCount, char* szArguments [] )
                     g_bNoCurses = false;
 #endif
                 }
+                else if ( strcmp ( szArguments[i], "-u" ) == 0 )
+                {
+                    std::setbuf ( stdout, nullptr) ;
+                    std::setbuf ( stderr, nullptr );
+                }
                 else if ( strcmp ( szArguments [i], "-x" ) == 0 )
                 {
                     g_bNoCrashHandler = true;

Server/launcher/Main.cpp

@@ -105,6 +105,7 @@ int main ( int argc, char* argv [] )
             printf ( "  -t                   Run server with a simple console\n" );
             printf ( "  -f                   Run server with a standard console (Default)\n" );
             printf ( "  -n                   Disable the usage of ncurses (For screenlog)\n" );
+            printf ( "  -u                   Disable output buffering and flush instantly (useful for screenlog)\n" );
 #ifndef WIN32
             printf ( "  -x                   Disable simplified crash reports (To allow core dumps)\n" );
             printf ( "  -q                   Do not add " LINUX_LIBS_PATH " directory to library search path\n" );