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