From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Subject: bug#30116: [PATCH] `substitute' crashes when file contains NUL
	characters (core-updates)
Date: Sat, 20 Jan 2018 23:24:34 -0500
Message-ID: <87607vu9dp.fsf@gmail.com>
References: <87r2qrc3mq.fsf@gmail.com> <87o9lu6o9m.fsf@gnu.org>
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In-Reply-To: <87o9lu6o9m.fsf@gnu.org> ("Ludovic
	\=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\=
	\=\?utf-8\?Q\?s\?\= message of "Tue, 16 Jan 2018 12:23:17 +0100")
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To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: 30116@debbugs.gnu.org

ludo@gnu.org (Ludovic Court=C3=A8s) writes:

> Hi,
>
> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>
>> I've encountered the following crash when trying to use substitute on a
>> file which contains NUL characters:
>
> Yes, that=E2=80=99s because Guile=E2=80=99s =E2=80=98regexp-exec=E2=80=99=
 simply wraps libc=E2=80=99s =E2=80=98regexec=E2=80=99,
> 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