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- // Copyright (C) 2017-2022 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/>.
- // { dg-require-fileio "" }
- #include <ext/stdio_filebuf.h>
- #include <cstdio>
- #include <cerrno>
- #include <testsuite_hooks.h>
- void
- test01()
- {
- FILE* f = std::fopen("79820.txt", "w");
- errno = 127;
- __gnu_cxx::stdio_filebuf<char> b(f, std::ios::out, BUFSIZ);
- VERIFY(errno == 127); // PR libstdc++/79820
- b.close();
- std::fclose(f);
- }
- int
- main()
- {
- test01();
- }
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