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Date: Thu, 27 Aug 2020 16:24:22 +0200
From: Jens Gustedt <jens.gustedt@...ia.fr>
To: musl@...ts.openwall.com
Subject: Re: direct coding of asctime_r
on Thu, 27 Aug 2020 10:03:07 -0400 you (Rich Felker <dalias@...c.org>)
wrote:
> I think the behavior of crashing on inputs that are UB and that can't
> safely be printed should probably be preserved, too; I'm not clear if
> you had that in mind already. I'm rather indifferent on what happens
> for inputs that are UB but that can faithfully be presented in the
> allotted space.
same for me
In the sample implementation I have "goto CLEANUP" and an implicit
guarantee that the output is always null terminated. This is more in
the spirit of `snprintf` not to do bad things as soon the output
buffer has at least 26 bytes.
But we could also do `abort()`, `do_crash()`, whatever fits into
musl's general strategy for error handling.
Jens
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