Retire 'os' flag from Makefile

[stockfish] / src / uci.cpp

diff --git a/src/uci.cpp b/src/uci.cpp
index ee1b07023a5fe97b17a8c28cb8911fd9caaefc73..876bb1d90718bfc6870ea302ed2af02b6b93a704 100644 (file)
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -157,6 +157,7 @@ void UCI::loop(int argc, char* argv[]) {
 
       istringstream is(cmd);
 
+      token.clear(); // getline() could return empty or blank line
       is >> skipws >> token;
 
       if (token == "quit" || token == "stop" || token == "ponderhit")
@@ -226,7 +227,7 @@ string UCI::format_value(Value v, Value alpha, Value beta) {
 
   stringstream ss;
 
-  if (abs(v) < VALUE_MATE_IN_MAX_PLY)
+  if (abs(v) < VALUE_MATE - MAX_PLY)
       ss << "cp " << v * 100 / PawnValueEg;
   else
       ss << "mate " << (v > 0 ? VALUE_MATE - v + 1 : -VALUE_MATE - v) / 2;