[libc-commits] [libc] Add bit width length modifier to printf (PR #82461)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google commented:

that sounds like a good design. I'd say check that the character after the `w` or `f` is a digit, similar to how the width argument is handled.

https://github.com/llvm/llvm-project/pull/82461