id summary reporter owner description type status milestone component version severity resolution keywords cc 3185 absolute path error tmmikolajczyk@… Beman Dawes "I have the following function that checks if a particular path is absolute or relative: bool isPathAbsolute(const std::string& path) { return !boost::filesystem::path(path).root_directory().empty(); } Seems that it works fine for the following paths: ""/"" absolute ""/root"" absolute ""///"" absolute ""////"" absolute However, for unknown reason function says that the path ""//"" is not absolute. See attached very simple code that presents this problem. " Bugs closed Boost 1.40.0 filesystem Boost 1.37.0 Problem invalid filesystem absolute path