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Polyfill cp -n for busybox

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This commit is contained in:
Taeyeon Mori
2018-03-19 17:21:38 +01:00
parent 0cf464564f
commit a210bf99f7
1 changed files with 14 additions and 3 deletions
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17
create_ap
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@ -103,6 +103,17 @@ usage() {
echo " "$PROGNAME" --stop wlan0" echo " "$PROGNAME" --stop wlan0"
} }
# Busybox polyfills
if cp --help 2>&1 | grep -q -- --no-clobber; then
cp_n() {
cp -n "$@"
}
else
cp_n() {
yes n | cp -i "$@"
}
fi
# on success it echos a non-zero unused FD # on success it echos a non-zero unused FD
# on error it echos 0 # on error it echos 0
get_avail_fd() { get_avail_fd() {
@ -1514,12 +1525,12 @@ mkdir -p $COMMON_CONFDIR
if [[ "$SHARE_METHOD" == "nat" ]]; then if [[ "$SHARE_METHOD" == "nat" ]]; then
echo $INTERNET_IFACE > $CONFDIR/nat_internet_iface echo $INTERNET_IFACE > $CONFDIR/nat_internet_iface
cp -n /proc/sys/net/ipv4/conf/$INTERNET_IFACE/forwarding \ cp_n /proc/sys/net/ipv4/conf/$INTERNET_IFACE/forwarding \
$COMMON_CONFDIR/${INTERNET_IFACE}_forwarding $COMMON_CONFDIR/${INTERNET_IFACE}_forwarding
fi fi
cp -n /proc/sys/net/ipv4/ip_forward $COMMON_CONFDIR cp_n /proc/sys/net/ipv4/ip_forward $COMMON_CONFDIR
if [[ -e /proc/sys/net/bridge/bridge-nf-call-iptables ]]; then if [[ -e /proc/sys/net/bridge/bridge-nf-call-iptables ]]; then
cp -n /proc/sys/net/bridge/bridge-nf-call-iptables $COMMON_CONFDIR cp_n /proc/sys/net/bridge/bridge-nf-call-iptables $COMMON_CONFDIR
fi fi
mutex_unlock mutex_unlock