X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmain.cpp;h=a1dd07903269426201faf0b4bd30ed73c84e2f90;hb=5b2ac7590ccfe529698347981e45fdfa8a0a0780;hp=70359fdf77116adb652762d9c12fc9da8ba2560f;hpb=6080fecf9cba9ac063f8f07bd25004c14016bd33;p=stockfish

diff --git a/src/main.cpp b/src/main.cpp
index 70359fdf..a1dd0790 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,6 +25,7 @@
 //// Includes
 ////
 
+#include <cstdio>
 #include <iostream>
 #include <string>
 
@@ -54,12 +55,13 @@ extern void benchmark(int argc, char* argv[]);
 
 int main(int argc, char* argv[]) {
 
-  // Disable IO buffering
+  // Disable IO buffering for C and C++ standard libraries
+  setvbuf(stdin, NULL, _IONBF, 0);
+  setvbuf(stdout, NULL, _IONBF, 0);
   cout.rdbuf()->pubsetbuf(NULL, 0);
   cin.rdbuf()->pubsetbuf(NULL, 0);
 
   // Startup initializations
-  init_direction_table();
   init_bitboards();
   init_uci_options();
   Position::init_zobrist();
@@ -73,37 +75,26 @@ int main(int argc, char* argv[]) {
   CALLGRIND_START_INSTRUMENTATION;
 #endif
 
-  if (argc <= 1)
+  if (argc < 2)
   {
       // Print copyright notice
-      cout << engine_name()
-           << " by Tord Romstad, Marco Costalba, Joona Kiiski" << endl;
+      cout << engine_name() << " by " << engine_author() << endl;
 
       if (CpuHasPOPCNT)
           cout << "Good! CPU has hardware POPCNT." << endl;
 
       // Wait for a command from the user, and passes this command to
-      // execute_uci_command() and also intercepts EOF from stdin, by
-      // translating EOF to the "quit" command. This ensures that we
-      // exit gracefully if the GUI dies unexpectedly.
+      // execute_uci_command() and also intercepts EOF from stdin to
+      // ensure that we exit gracefully if the GUI dies unexpectedly.
       string cmd;
-
-      do {
-          // Wait for a command from stdin
-          if (!getline(cin, cmd))
-              cmd = "quit";
-
-      } while (execute_uci_command(cmd));
-  }
-  else // Process command line arguments
-  {
-      if (string(argv[1]) != "bench" || argc > 7)
-          cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
-               << "[limit = 12] [fen positions file = default] "
-               << "[depth, time, perft or node limited = depth]" << endl;
-      else
-          benchmark(argc, argv);
+      while (getline(cin, cmd) && execute_uci_command(cmd)) {}
   }
+  else if (string(argv[1]) == "bench" && argc < 8)
+      benchmark(argc, argv);
+  else
+      cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
+           << "[limit = 12] [fen positions file = default] "
+           << "[depth, time, perft or node limited = depth]" << endl;
 
   exit_threads();
   quit_eval();