This patch made std::filesystem::equivalent correctly throw an exception when either path does not exist as per [fs.op.equivalent]/4.
libstdc++-v3/ChangeLog: * src/c++17/fs_ops.cc (equivalent): Use || instead of &&. * testsuite/27_io/filesystem/operations/equivalent.cc: Handle error codes. Signed-off-by: Ken Matsui <kmat...@gcc.gnu.org> --- libstdc++-v3/src/c++17/fs_ops.cc | 2 +- .../testsuite/27_io/filesystem/operations/equivalent.cc | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/libstdc++-v3/src/c++17/fs_ops.cc b/libstdc++-v3/src/c++17/fs_ops.cc index e0b308a37ea..61df19753ef 100644 --- a/libstdc++-v3/src/c++17/fs_ops.cc +++ b/libstdc++-v3/src/c++17/fs_ops.cc @@ -897,7 +897,7 @@ fs::equivalent(const path& p1, const path& p2, error_code& ec) noexcept return st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino; #endif } - else if (!exists(s1) && !exists(s2)) + else if (!exists(s1) || !exists(s2)) ec = std::make_error_code(std::errc::no_such_file_or_directory); else if (err) ec.assign(err, std::generic_category()); diff --git a/libstdc++-v3/testsuite/27_io/filesystem/operations/equivalent.cc b/libstdc++-v3/testsuite/27_io/filesystem/operations/equivalent.cc index 78f6e368204..68f32366d65 100644 --- a/libstdc++-v3/testsuite/27_io/filesystem/operations/equivalent.cc +++ b/libstdc++-v3/testsuite/27_io/filesystem/operations/equivalent.cc @@ -34,13 +34,13 @@ test01() bool result; result = equivalent(p1, p2, ec); - VERIFY( ec ); + VERIFY( ec == std::errc::no_such_file_or_directory ); VERIFY( !result ); __gnu_test::scoped_file f1(p1); ec = bad_ec; result = equivalent(p1, p2, ec); - VERIFY( !ec ); + VERIFY( ec == std::errc::no_such_file_or_directory ); VERIFY( !result ); __gnu_test::scoped_file f2(p2); -- 2.43.0