43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
// Boost large_file_support_test.cpp ---------------------------------------//
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// Copyright Beman Dawes 2004.
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See library home page at http://www.boost.org/libs/filesystem
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// See deprecated_test for tests of deprecated features
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#define BOOST_FILESYSTEM_NO_DEPRECATED
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#define BOOST_SYSTEM_NO_DEPRECATED
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#include <boost/filesystem/operations.hpp>
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#include <boost/config.hpp>
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# if defined( BOOST_NO_STD_WSTRING )
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# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
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# endif
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namespace fs = boost::filesystem;
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#include <iostream>
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int main()
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{
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if ( fs::detail::possible_large_file_size_support() )
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{
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std::cout << "It appears that file sizes greater that 2 gigabytes are possible\n"
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"for this configuration on this platform since the operating system\n"
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"does use a large enough integer type to report large file sizes.\n\n"
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"Whether or not such support is actually present depends on the OS\n";
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return 0;
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}
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std::cout << "The operating system is using an integer type to report file sizes\n"
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"that can not represent file sizes greater that 2 gigabytes (31-bits).\n"
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"Thus the Filesystem Library will not correctly deal with such large\n"
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"files. If you think that this operatiing system should be able to\n"
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"support large files, please report the problem to the Boost developers\n"
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"mailing list.\n";
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return 1;
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}
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