Subject: Re: bug#30116: [PATCH] `substitute' crashes when file contains NUL characters (core-updates)

From: Maxim Cournoyer <[email-masked]>
Date: Sat, 20 Jan 2018 23:24:34 -0500

[email-masked] (Ludovic Courtès) writes:

> Hi,
>
> Maxim Cournoyer <[email-masked]> skribis:
>
>> I've encountered the following crash when trying to use substitute on a
>> file which contains NUL characters:
>
> Yes, that’s because Guile’s ‘regexp-exec’ simply wraps libc’s ‘regexec’,
> which does not handle NULs.
>
> We should consider switching to the pure-Scheme SRFI-115:
>
>   https://srfi.schemers.org/srfi-115/srfi-115.html

This looks good, and I started looking into porting `substitute' to it,
but quickly noticed it doesn't seem to be implemented in Guile yet?

Thanks,

Maxim