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Merge pull request #133 from musicinmybrain/space-overflow

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Cast to uintmax_t *before* multiplying in space calculations
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gulrak 2021-07-31 00:11:22 +02:00 committed by GitHub
commit 7bc5c17305
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include/ghc/filesystem.hpp
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@ -4875,7 +4875,7 @@ GHC_INLINE space_info space(const path& p, std::error_code& ec) noexcept
ec = detail::make_system_error();
return {static_cast<uintmax_t>(-1), static_cast<uintmax_t>(-1), static_cast<uintmax_t>(-1)};
}
return {static_cast<uintmax_t>(sfs.f_blocks * sfs.f_frsize), static_cast<uintmax_t>(sfs.f_bfree * sfs.f_frsize), static_cast<uintmax_t>(sfs.f_bavail * sfs.f_frsize)};
return {static_cast<uintmax_t>(sfs.f_blocks) * static_cast<uintmax_t>(sfs.f_frsize), static_cast<uintmax_t>(sfs.f_bfree) * static_cast<uintmax_t>(sfs.f_frsize), static_cast<uintmax_t>(sfs.f_bavail) * static_cast<uintmax_t>(sfs.f_frsize)};
#endif
}