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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [performance/] [22_locale/] [wchar_t_in.cc] - Rev 19
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// 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; }