[Nut-upsdev] common/common.c snprintf warning

[Greg Troxel]

Jim Klimov <jimklimov+nut at gmail.com> writes:

> It seems bumping all those buffers to [NUT_PATH_MAX+1]` (for the NUL ending
> char) helps, and seems a reasonable thing to do safely.

Sure, if that helps that really seems sensible.

> the char subscripts only with CLANG (13), on my dormant NetBSD 9.2 VM.

NetBSD is louder about it, but ctype(3) is really hard to use correctly
and risks undefined behavior.