Method get_paths_from_env_variable_impl

backward.hpp:3804–3811

      _file;

  std::vector<std::string> get_paths_from_env_variable_impl() {
    std::vector<std::string> paths;
    const char *prefixes_str = std::getenv("BACKWARD_CXX_SOURCE_PREFIXES");
    if (prefixes_str && prefixes_str[0]) {
      paths = details::split_source_prefixes(prefixes_str);
    }
    return paths;
  }

  const std::vector<std::string> &get_paths_from_env_variable() {
    static std::vector<std::string> paths = get_paths_from_env_variable_impl();