Robert Luberda wrote:
John Hendrickson wrote:
Hi there!
/*
* BUG for realpath_(1) (not realpathS(1))
*
* $ realpath /var/spool/mail/file/..
* /mnt/sda2/home/var/mail
*
* BUG you can't ".." a file: not supposed to be able to
* (it will then trick a script into treating file like a dir)
What $SHELL do you use? Is it mksh or some other one?
bash, zsh, ksh, ash, report:
SHELL=/bin/sh
and csh,
shell /bin/tcsh
[ -f /README/.. ] && echo hi
Yes all these shells no difference, same error, shell
subst. is not a lead here
snippy:~> [ -f /README/.. ] && echo hi
(no output)
if it helps i can mail realpathS(1) or look at 'realpath' to
<snip>
Just being curious: does your implementation use realpath(3) library?
no, it's from scratch, but does use readlink(3)
(it avoids all bugs realpath(3) noted, to my understanding)
Thanks Robert -- John
Regards,
robert
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