54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
// Copyright (C) 2017-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-require-fileio "" }
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#include <ext/stdio_filebuf.h>
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#include <cstdio>
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#include <cerrno>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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FILE* out = std::fopen("81751.txt", "w");
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std::fwrite("Some words.", 1, 10, out);
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FILE* in1 = std::fopen("81751.txt", "r");
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__gnu_cxx::stdio_filebuf<char> buf1(in1, std::ios::in, BUFSIZ);
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int c = buf1.sgetc();
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VERIFY( c == std::char_traits<char>::eof() ); // PR libstdc++/81751
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std::fflush(out);
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FILE* in2 = std::fopen("81751.txt", "r");
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__gnu_cxx::stdio_filebuf<char> buf2(in2, std::ios::in, BUFSIZ);
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c = buf2.sgetc();
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VERIFY( c == 'S' );
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buf1.close();
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buf2.close();
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std::fclose(in1);
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std::fclose(in2);
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std::fclose(out);
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}
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int
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main()
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{
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test01();
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}
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