printf behaviour with illegal or malformed format string

[Poul-Henning Kamp]

In message <20051213230723.T3248 at epsplex.bde.org>, Bruce Evans writes:

>Now I think they should be very rarely needed and more rarely used.
>Using them mainly gives unportable code that breaks especially badly
>on systems which don't support extensions.

Portability is good, but it shouldn't get in the way of improving
our programs.

>I think these belong in specialized applications or libraries.  %T is
>already handled better by strftime/gmtime/localtime.

There's no handling for fractional seconds there.

>I mean aborting instead of returning NULL for failing malloc()s breaks
>defined behaviour.

Right, that's deliberate.

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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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