Limit UCI Hash setting to engine-specified maximum

[polyglot.git] / xboard2uci.c

diff --git a/xboard2uci.c b/xboard2uci.c
index dfae34c..198c457 100644 (file)
--- a/xboard2uci.c
+++ b/xboard2uci.c
@@ -606,6 +606,8 @@ void xboard2uci_gui_step(char string[]) {
                 }
                 my_log("POLYGLOT EGTB Cache is %dMb\n",egt_cache);
                 real_memory=memory-egt_cache;
+               opt=option_find(Uci->option,"Hash");
+               if(opt && real_memory > atoi(opt->max)) real_memory = atoi(opt->max); // [HGM] top off
                 if(real_memory>0){
                     start_protected_command();
                     uci_send_option(Uci,"Hash", "%d", real_memory);