Re: [PATCH v2 1/3] lib/vsprintf: Avoid redundant work with 0 size
On Sun, Jan 30, 2022 at 12:49:37PM -0800, David Rientjes wrote: > On Sat, 29 Jan 2022, Waiman Long wrote: > > > For *scnprintf(), vsnprintf() is always called even if the input size is > > 0. That is a waste of time, so just return 0 in this case.