| // Copyright (C) 2003-2013 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 3, 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 COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| |
| #include <cstdio> |
| #include <fstream> |
| #include <testsuite_performance.h> |
| |
| int main() |
| { |
| using namespace std; |
| using namespace __gnu_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; |
| } |