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83ffe9cd | 1 | // Copyright (C) 2003-2023 Free Software Foundation, Inc. |
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2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
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18 | |
19 | #include <cstdio> | |
20 | #include <cstring> | |
21 | #include <fstream> | |
22 | #include <langinfo.h> | |
23 | #include <iconv.h> | |
24 | #include <testsuite_performance.h> | |
25 | ||
26 | // libstdc++/11602 (do_in) | |
27 | int main(int argc, char** argv) | |
28 | { | |
29 | using namespace std; | |
30 | using namespace __gnu_test; | |
31 | ||
32 | time_counter time; | |
33 | resource_counter resource; | |
34 | const int iters = 400000; | |
35 | ||
36 | wchar_t wbuf[1024]; | |
37 | char cbuf[1024]; | |
38 | ||
39 | memset(cbuf, 'a', 1024); | |
40 | ||
41 | // C (iconv) | |
42 | iconv_t cd = iconv_open("WCHAR_T", nl_langinfo(CODESET)); | |
43 | start_counters(time, resource); | |
44 | for (int i = 0; i < iters; ++i) | |
45 | { | |
46 | size_t inbytesleft = 1024; | |
47 | size_t outbytesleft = 1024 * sizeof(wchar_t); | |
48 | char* in = cbuf; | |
49 | char* out = reinterpret_cast<char*>(wbuf); | |
50 | iconv(cd, &in, &inbytesleft, &out, &outbytesleft); | |
51 | } | |
52 | stop_counters(time, resource); | |
53 | iconv_close(cd); | |
54 | report_performance(__FILE__, "C (iconv)", time, resource); | |
55 | clear_counters(time, resource); | |
56 | ||
57 | // C++ (codecvt) | |
58 | locale loc; | |
59 | const codecvt<wchar_t, char, mbstate_t>& cvt = | |
60 | use_facet<codecvt<wchar_t, char, mbstate_t> >(loc); | |
61 | mbstate_t state; | |
62 | memset(&state, 0, sizeof(state)); | |
63 | start_counters(time, resource); | |
64 | for (int i = 0; i < iters; ++i) | |
65 | { | |
66 | const char* from_next; | |
67 | wchar_t* to_next; | |
68 | cvt.in(state, cbuf, cbuf + 1024, from_next, | |
69 | wbuf, wbuf + 1024, to_next); | |
70 | } | |
71 | stop_counters(time, resource); | |
72 | report_performance(__FILE__, "C++ (codecvt)", time, resource); | |
73 | ||
74 | return 0; | |
75 | } |