71b1639c67
The recent change to use auto_win_file_handle for std::filesystem::hard_link_count caused a regression. The std::error_code argument should be cleared if no error occurs, but this no longer happens. Add a call to ec.clear() in fs::hard_link_count to fix this. Also change the auto_win_file_handle class to take a reference to the std::error_code and set it if an error occurs, to slightly simplify the control flow in the fs::equiv_files function. libstdc++-v3/ChangeLog: * src/c++17/fs_ops.cc (auto_win_file_handle): Add error_code& member and set it if CreateFileW or GetFileInformationByHandle fails. (fs::equiv_files) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Simplify control flow. (fs::hard_link_count) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Clear ec on success. * testsuite/27_io/filesystem/operations/hard_link_count.cc: Check error handling. |
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