| // 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // 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 <cstring> |
| #include <fstream> |
| #include <langinfo.h> |
| #include <iconv.h> |
| #include <testsuite_performance.h> |
| |
| // libstdc++/11602 (do_in) |
| int main(int argc, char** argv) |
| { |
| using namespace std; |
| using namespace __gnu_test; |
| |
| time_counter time; |
| resource_counter resource; |
| const int iters = 400000; |
| |
| wchar_t wbuf[1024]; |
| char cbuf[1024]; |
| |
| memset(cbuf, 'a', 1024); |
| |
| // C (iconv) |
| iconv_t cd = iconv_open("WCHAR_T", nl_langinfo(CODESET)); |
| start_counters(time, resource); |
| for (int i = 0; i < iters; ++i) |
| { |
| size_t inbytesleft = 1024; |
| size_t outbytesleft = 1024 * sizeof(wchar_t); |
| char* in = cbuf; |
| char* out = reinterpret_cast<char*>(wbuf); |
| iconv(cd, &in, &inbytesleft, &out, &outbytesleft); |
| } |
| stop_counters(time, resource); |
| iconv_close(cd); |
| report_performance(__FILE__, "C (iconv)", time, resource); |
| clear_counters(time, resource); |
| |
| // C++ (codecvt) |
| locale loc; |
| const codecvt<wchar_t, char, mbstate_t>& cvt = |
| use_facet<codecvt<wchar_t, char, mbstate_t> >(loc); |
| mbstate_t state; |
| memset(&state, 0, sizeof(state)); |
| start_counters(time, resource); |
| for (int i = 0; i < iters; ++i) |
| { |
| const char* from_next; |
| wchar_t* to_next; |
| cvt.in(state, cbuf, cbuf + 1024, from_next, |
| wbuf, wbuf + 1024, to_next); |
| } |
| stop_counters(time, resource); |
| report_performance(__FILE__, "C++ (codecvt)", time, resource); |
| |
| return 0; |
| } |