76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
// Copyright (C) 2003, 2009 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 <cstring>
|
|
#include <fstream>
|
|
#include <langinfo.h>
|
|
#include <iconv.h>
|
|
#include <testsuite_performance.h>
|
|
|
|
// libstdc++/11602
|
|
int main(int argc, char** argv)
|
|
{
|
|
using namespace std;
|
|
using namespace __gnu_test;
|
|
|
|
time_counter time;
|
|
resource_counter resource;
|
|
const int iters = 300000;
|
|
|
|
wchar_t wbuf[1024];
|
|
char cbuf[1024];
|
|
|
|
wmemset(wbuf, L'a', 1024);
|
|
|
|
// C (iconv)
|
|
iconv_t cd = iconv_open(nl_langinfo(CODESET), "WCHAR_T");
|
|
start_counters(time, resource);
|
|
for (int i = 0; i < iters; ++i)
|
|
{
|
|
size_t inbytesleft = 1024 * sizeof(wchar_t);
|
|
size_t outbytesleft = 1024;
|
|
char* in = reinterpret_cast<char*>(wbuf);
|
|
char* out = cbuf;
|
|
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 wchar_t* from_next;
|
|
char* to_next;
|
|
cvt.out(state, wbuf, wbuf + 1024, from_next,
|
|
cbuf, cbuf + 1024, to_next);
|
|
}
|
|
stop_counters(time, resource);
|
|
report_performance(__FILE__, "C++ (codecvt)", time, resource);
|
|
|
|
return 0;
|
|
}
|