[fs.op.is.block.file] (original) (raw)

31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.13 Filesystem operation functions [fs.op.funcs]

31.12.13.17 Is block file [fs.op.is.block.file]

bool filesystem::is_block_file(file_status s) noexcept;

Returns: s.type() == file_type​::​block.

bool filesystem::is_block_file(const path& p);bool filesystem::is_block_file(const path& p, error_code& ec) noexcept;

Returns: is_block_file(status(p)) or is_block_file(status(p, ec)), respectively.

The signature with argument ec returns false if an error occurs.