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List:       busybox
Subject:    Re: [PATCH] examples/udhcp/simple.script: fix resolv.conf update if it is a dangling symlink
From:       Xabier Oneca  --  xOneca <xoneca () gmail ! com>
Date:       2019-03-29 9:36:36
Message-ID: CACkgH70D-hrhaerfGZbgL5VfA3nZ1kB71+Z4QzqiF-neueE8UQ () mail ! gmail ! com
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Hi,

> If /etc/resolv.conf is a symlink to a tmpfs and the actual file does not
> already exist, "readlink -f" will not detect it as symlink. Explicitely check
> for that condition before and touch the file, making the other code work as
> intended.

This is an inconsistency with respect to coreutils readlink. Coreutils
does return the file pointed by the symlink.

Cheers,
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