Re: sed not working on /proc files

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 4 May 1999 16:45:53 +0100 (BST)

> > Well, this breaks every program that uses libc file accesses.
> So fix the buggy libc. Relying on mmap() being available is broken

To save a thousand follow ups - the glibc code does do the right thing but
the kernel thinks any 0 length mmap succeeds and doesnt error it. So its
a kernel funny

Alan

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