bug#30520: sed: silently fail substitution for 2GB+ single-line file

[Assaf Gordon]

On Thu, Mar 22, 2018 at 05:12:11PM -0700, Jim Meyering wrote:
> On Mon, Feb 19, 2018 at 12:32 PM, Assaf Gordon <address@hidden> wrote:
> > On Mon, Feb 19, 2018 at 06:51:04AM +0000, YushiOMOTE wrote:
> >> When I pass a 2GB+-single-line to sed for substitution, sed exits with
> >> success status code but it silently fails substitution.
> ...
> >> Or, we can check if the value of line length exceeds INT_MAX before
> >> reaching `re_search`. (`grep` checks it and returns with error status code)
> >
> > This is likely the simplest solution for now, without changing gnulib 
> > itself.
> 
> Thank you both. I too prefer this approach. Would you like to do that, Assaf?

Yes, attached a suggested patch.

Comments welcomed,
 - assaf

0001-sed-reject-RE-searches-on-buffers-larger-than-INT_MA.patch
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