--- /dev/null
+// Copyright (C) 2003 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <cstdio>
+#include <fstream>
+#include <testsuite_performance.h>
+
+int main()
+{
+ using namespace std;
+ using namespace __gnu_cxx_test;
+
+ time_counter time;
+ resource_counter resource;
+ const unsigned long count = 1ul << 30;
+
+ // C unlocked
+ FILE* fpi = fopen("/dev/zero", "r");
+ FILE* fpo = fopen("/dev/null", "w");
+ start_counters(time, resource);
+ for (unsigned long i = 0; i < count; ++i)
+ {
+ int c = getc_unlocked(fpi);
+ if (c == EOF || putc_unlocked(c, fpo) == EOF)
+ break;
+ }
+ stop_counters(time, resource);
+ fclose(fpi);
+ fclose(fpo);
+ report_performance(__FILE__, "C unlocked", time, resource);
+ clear_counters(time, resource);
+
+ // C++
+ filebuf in;
+ in.open("/dev/zero", ios::in);
+ filebuf out;
+ out.open("/dev/null", ios::out);
+ start_counters(time, resource);
+ for (unsigned long i = 0; i < count; ++i)
+ {
+ int c = in.sbumpc();
+ if (c == EOF || out.sputc(c) == EOF)
+ break;
+ }
+ stop_counters(time, resource);
+ in.close();
+ out.close();
+ report_performance(__FILE__, "C++", time, resource);
+
+ return 0;
+}