Triviality in data_available()

[stockfish] / src / misc.cpp

diff --git a/src/misc.cpp b/src/misc.cpp
index ed6f8f47abe60a195ae30043c193462f2298a00a..d18f48d6e8a7c24a1c4eb7c679cb770e8af4717b 100644 (file)
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -67,8 +67,8 @@ static const string AppTag  = "";
 //// Variables
 ////
 
-uint64_t dbg_cnt0 = 0;
-uint64_t dbg_cnt1 = 0;
+static uint64_t dbg_cnt0 = 0;
+static uint64_t dbg_cnt1 = 0;
 
 bool dbg_show_mean = false;
 bool dbg_show_hit_rate = false;
@@ -127,42 +127,29 @@ void dbg_print_mean() {
        << (float)dbg_cnt1 / (dbg_cnt0 ? dbg_cnt0 : 1) << endl;
 }
 
-void dbg_print_hit_rate(ofstream& logFile) {
-
-  logFile << "Total " << dbg_cnt0 << " Hit " << dbg_cnt1
-          << " hit rate (%) " << (dbg_cnt1*100)/(dbg_cnt0 ? dbg_cnt0 : 1) << endl;
-}
-
-void dbg_print_mean(ofstream& logFile) {
-
-  logFile << "Total " << dbg_cnt0 << " Mean "
-          << (float)dbg_cnt1 / (dbg_cnt0 ? dbg_cnt0 : 1) << endl;
-}
 
 /// engine_name() returns the full name of the current Stockfish version.
-/// This will be either "Stockfish YYMMDD" (where YYMMDD is the date when the
-/// program was compiled) or "Stockfish <version number>", depending on whether
-/// the constant EngineVersion (defined in misc.h) is empty.
+/// This will be either "Stockfish YYMMDD" (where YYMMDD is the date when
+/// the program was compiled) or "Stockfish <version number>", depending
+/// on whether the constant EngineVersion (defined in misc.h) is empty.
 
 const string engine_name() {
 
+  const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
   const string cpu64(CpuIs64Bit ? " 64bit" : "");
 
   if (!EngineVersion.empty())
       return AppName + " " + EngineVersion + cpu64;
 
-  string date(__DATE__); // From compiler, format is "Sep 21 2008"
-  string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
-
-  size_t mon = 1 + months.find(date.substr(0, 3)) / 4;
-
-  stringstream s;
-  string day = (date[4] == ' ' ? date.substr(5, 1) : date.substr(4, 2));
+  stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
+  string month, day, year;
 
-  string name = AppName + " " + AppTag + " ";
+  date >> month >> day >> year;
 
-  s << name << date.substr(date.length() - 2) << setfill('0')
-    << setw(2) << mon << setw(2) << day << cpu64;
+  s << setfill('0') << AppName + " " + AppTag + " "
+    << year.substr(2, 2) << setw(2)
+    << (1 + months.find(month) / 4) << setw(2)
+    << day << cpu64;
 
   return s.str();
 }
@@ -241,19 +228,19 @@ int data_available()
 int data_available()
 {
     static HANDLE inh = NULL;
-    static bool usePipe;
+    static bool usePipe = false;
     INPUT_RECORD rec[256];
     DWORD dw, recCnt;
 
     if (!inh)
     {
         inh = GetStdHandle(STD_INPUT_HANDLE);
-        usePipe = !GetConsoleMode(inh, &dw);
-        if (!usePipe)
+        if (GetConsoleMode(inh, &dw))
         {
             SetConsoleMode(inh, dw & ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT));
             FlushConsoleInputBuffer(inh);
-        }
+        } else
+            usePipe = true;
     }
 
     // If we're running under XBoard then we can't use PeekConsoleInput() as