On Friday 2022-06-10 10:17, David Laight wrote: >> >> Calling a "printf" style function is already insanely expensive. :-) I >> understand that it's not okay blithely to increase runtime resources >> simply because it's already slow, but in this case it's worthwhile. > >Yep, IMHO definitely should be fixed. >It is even possible that using "%s" is faster because the printf >code doesn't have to scan the string for format effectors. I see no special handling; the vsnprintf function just loops over fmt as usual and I see no special casing of fmt by e.g. strcmp(fmt, "%s") == 0 to take a shortcut.
