Re: Why does LoadString return NULL for zero-length strings?

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• Subject: Re: Why does LoadString return NULL for zero-length strings?
• From: Luiz Henrique de Figueiredo <lhf@...>
• Date: Mon, 1 Sep 2008 11:48:34 -0300

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> Obviously, the only time there should be a string constant in a binary
> chunk of length 0 is when someone is being malicious.
ldump.c outputs NULL for source strings when stripping debug info or
when it's the same as that of its parent function.
> As it stands, putting a zero length string constant into a binary
> chunk causes a segfault: (http://codepad.org/N9ecIeIB)
> loadstring(('').dump(function()X''end):gsub('2円%z%z%zX','0円0円0円'))()
Oh, thanks for spotting this.

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• Follow-Ups:
  • Re: Why does LoadString return NULL for zero-length strings?, Peter Cawley

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  • Why does LoadString return NULL for zero-length strings?, Peter Cawley

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