[BusyBox] dietlibc patch for pre5

[Hannes Reinecke]

Vladimir N. Oleynik wrote:
> Hannes,
> 
>> btw, I've also fixed an 'interesting' use of strchrnul:
>>
>>             (*vp->func)(strchrnul(s, '=') + 1);
>>
>> I.e. if 's' does not contain the character '=', the argument to the 
>> function will be a pointer to 's + strlen(s) + 1'. Uh-oh.
> 
> 
> Yes. But ash don`t have error.
> vartable have two format: "VAR=" or "VAR\0".
> Last string (undefault variable) have double zero.
> And 's + strlen(s) + 1' pointer setted to last zero.
> 
Which is a tad non-obvious. What about putting a comment above those 
lines which makes it clear for the unsuspecting users?

Otherwise I'd imagine that also others might be inclined to send 
patches, because the above is exactly what you're looking for if you're 
bugfixing programs.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke			hare at suse.de
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