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| author | Mike Frysinger | 2013-03-12 10:48:09 -0400 |
|---|---|---|
| committer | Mike Frysinger | 2013-03-12 10:48:09 -0400 |
| commit | bca5c556c43ced7b368fdd90a24e4aecf40045ac (patch) | |
| tree | 99574aa8b9f3a48f154e2e9f30a4d79525465054 | |
| parent | 9bbf6b98c42a212b8a4b1aa02975ac18bb612922 (diff) | |
| download | busybox-bca5c556c43ced7b368fdd90a24e4aecf40045ac.zip busybox-bca5c556c43ced7b368fdd90a24e4aecf40045ac.tar.gz | |
udhcpc: use readlink rather than realpath
The realpath utility requires all paths exist when canonicalizing
symlinks. If /etc/resolv.conf points to a tmpfs, then it might
not exist initially. Use `readlink -f` so that we follow all
symlinks that are available.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rwxr-xr-x | examples/udhcp/simple.script | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script index 0397e50..2a917eb 100755 --- a/examples/udhcp/simple.script +++ b/examples/udhcp/simple.script @@ -37,7 +37,7 @@ case "$1" in echo "Recreating $RESOLV_CONF" # If the file is a symlink somewhere (like /etc/resolv.conf # pointing to /run/resolv.conf), make sure things work. - realconf=$(realpath "$RESOLV_CONF" 2>/dev/null || echo "$RESOLV_CONF") + realconf=$(readlink -f "$RESOLV_CONF" 2>/dev/null || echo "$RESOLV_CONF") tmpfile="$realconf-$$" > "$tmpfile" [ -n "$domain" ] && echo "search $domain" >> "$tmpfile" |