std::filesystem::path::root_name

< cpp‎ | filesystem‎ | path
path root_name() const;
 (since C++17)

Returns the root name of the generic-format path. If the path (in generic format) does not include root name, returns path().

Parameters

(none)

Return value

The root name of the path.

Exceptions

May throw implementation-defined exceptions.

Example

#include <iostream>
#include <filesystem>
namespace fs = std::filesystem;
 
int main()
{
    std::cout << "Current root name is: " << fs::current_path().root_name() << '\n';
}

Possible output:

Current root name is: "C:"

See also

 returns the root directory of the path, if present
(public member function)
returns the root path of the path, if present
(public member function)