From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Clinton Bunch <cdb_zsh@zentaur.org>
Cc: "zsh-workers@zsh.org" <zsh-workers@zsh.org>
Subject: Re: Nulls in scalar parameters
Date: Fri, 21 Oct 2022 12:33:51 +0200 [thread overview]
Message-ID: <CAN=4vMp=_6iw89c6QgRdGce-dNk+CovsGeVOFwPj61RpJiR=vw@mail.gmail.com> (raw)
In-Reply-To: <cc0b034e-056d-3da6-e69b-55b447a6c235@zentaur.org>
On Fri, Oct 21, 2022 at 6:51 AM Clinton Bunch <cdb_zsh@zentaur.org> wrote:
>
> I'm working on a zsh/random module and I'm creating a builtin that
> returns a user-specified number of random bytes and either prints it or
> returns it in a parameter. There exists a small possibility of embedded
> nulls in the output, and I'm not sure how to handle setting such a value
> in a parameter.
This is how bin_sysread does it in system.c.
setsparam(outvar, metafy(inbuf, count, META_DUP));
`outvar` points to the name of the parameter (e.g., "REPLY"). `inbuf`
points data and `count` is the number of bytes in it.
Roman.
prev parent reply other threads:[~2022-10-21 10:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 4:50 Clinton Bunch
2022-10-21 10:33 ` Roman Perepelitsa [this message]
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