C/C++ efficient bit array

Question

Can you recommend efficient/clean way to manipulate arbitrary length bit array?

Right now I am using regular int/char bitmask, but those are not very clean when arra

Answer 1

I've written a working implementation based off Dale Hagglund's response to provide a bit array in C (BSD license).

https://github.com/noporpoise/BitArray/

Please let me know what you think / give suggestions. I hope people looking for a response to this question find it useful.