https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77696
--- Comment #10 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
(In reply to David Malcolm from comment #5)
> I brainstormed some ideas on making these kinds of warning easier for
> the user to understand.
Here's another possible visualization, of a different overflow:
snprintf of "%s" from:
|+---+ ... +---+|+---+ ... +---|
|| 0 | | n |||n+1| | 31|
|+---+ ... +---+|+---+ ... +---|
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
|<--- ok --->|<--overflow-->|
| | |
to 'buf':
| | |
++---+ ... +---+|+---+ ... +---+|
|| 0 | | x |||x+1| | 15||
++---+ ... +---+|+---+ ... +---+|
In this one, 32 bytes are being written into an unknown point ("x+1")
within a buffer of size 16.
