Re: Badly formatted os.date format crashes

[David Welch <david.welch@...>]

Roberto Ierusalimschy wrote:
> > If this is a widespread issue (which OS are you on) then it may be
> > worth investigating adding a layer of checking of the format string to
> > Lua's wrapper for it.
> >     
>
> Lua 5.2 has this layer. According to ISO C, "If a conversion specifier
> is not one of the above,the behavior is undefined", and undefined
> behavior includes crashing. It is a really stupid behavior, but it is
> "legally correct" :( It is also a pity, because os.date will no longer
> accept OS-specific extensions.
>
> -- Roberto
>   
Settings the invalid parameter handling (_set_invalid_parameter_handler) 
seems to make it not crash.

--
David Welch

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