X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmain.cpp;h=75268175e0694048ca3ad0937e8dbbda2a79ee63;hp=fa821151359ac31cb904ebfd66226ae89d49955a;hb=29076043e073c3d6e3b90b0809afc2a0af57e5e1;hpb=caa02b0e43dbce0c723bc6499aab811ca3e5408e

diff --git a/src/main.cpp b/src/main.cpp
index fa821151..75268175 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,6 +25,7 @@
 //// Includes
 ////
 
+#include <cstdio>
 #include <iostream>
 #include <string>
 
@@ -54,7 +55,9 @@ 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);
 
@@ -97,7 +100,7 @@ int main(int argc, char* argv[]) {
   {
       if (string(argv[1]) != "bench" || argc > 7)
           cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
-               << "[limit = 12] [fen positions file = default] "
+               << "[limit = 11] [fen positions file = default] "
                << "[depth, time, perft or node limited = depth]" << endl;
       else
           benchmark(argc, argv);