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Date: Thu, 30 Mar 2023 22:47:27 +0800
From: Matthias Görgens <>
Subject: Re: [BUG] hasmntopt weirdness

On Thu, 30 Mar 2023 at 21:57, Rich Felker <> wrote:
> I'm pretty sure it was agreed upon at one point that this was a bug,
> but never pursued further.

OK, that's good to know!

> From what I remember, I think hasmntopt needs to check that the match
> found is at the start or immediately follows a comma (unless there is
> some awful way to embed literal commas) and that it's followed by an
> equals sign, comma, or nul terminator. Does this sound correct?

For what it's worth, that's close to what glibc does.

Sorry, I'm new to this: Is there a spec to these things, or do we just copy what
the other C standard libraries are doing?

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