Re: SIGSEGV on fclose.

From: David Woodhouse (dwmw2@infradead.org)
Date: Thu Jul 13 2000 - 04:50:06 EST


madsdyd@challenge.dk said:
> Do you by any chance have a reference for the ANSI C standard? (I
> don't, but would really like to have :-( ).

Nah - I'm just guessing and handwaving. It's no fun if you know you're
right :)

> > You're already dealing with a filedescriptor there. The "struct file *"
> > within Linux is entirely different to the 'FILE *' in userspace. >

> I know that, hence my reference to glibc-for-linux. I probably
> shouldn't have posted that piece of code.

The kernel has to do the check. Oopsing if it's given a bad fd would be a
BadThing(tm). For glibc, it's more acceptable just to segfault and die if
the user does silly things - because only the offending process will be
affected.

--
dwmw2

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