diff options
Diffstat (limited to 'libcxx/src/experimental/filesystem/operations.cpp')
-rw-r--r-- | libcxx/src/experimental/filesystem/operations.cpp | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/libcxx/src/experimental/filesystem/operations.cpp b/libcxx/src/experimental/filesystem/operations.cpp index 5d0a9a9dd30..eba7ae368e2 100644 --- a/libcxx/src/experimental/filesystem/operations.cpp +++ b/libcxx/src/experimental/filesystem/operations.cpp @@ -472,13 +472,25 @@ bool __fs_is_empty(const path& p, std::error_code *ec) std::error_code m_ec; struct ::stat pst; auto st = detail::posix_stat(p, pst, &m_ec); - if (is_directory(st)) - return directory_iterator(p) == directory_iterator{}; + if (m_ec) { + set_or_throw(m_ec, ec, "is_empty", p); + return false; + } + else if (!is_directory(st) && !is_regular_file(st)) { + m_ec = make_error_code(errc::not_supported); + set_or_throw(m_ec, ec, "is_empty"); + return false; + } + else if (is_directory(st)) { + auto it = ec ? directory_iterator(p, *ec) : directory_iterator(p); + if (ec && *ec) + return false; + return it == directory_iterator{}; + } else if (is_regular_file(st)) return static_cast<std::uintmax_t>(pst.st_size) == 0; - // else - set_or_throw(m_ec, ec, "is_empty", p); - return false; + + _LIBCPP_UNREACHABLE(); } |