iptables-apply: Replace signal numbers by names

As covscan stated: "Trapping signals by number is not well defined.
Prefer signal names."

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>

diff --git a/iptables/iptables-apply b/iptables/iptables-apply
index c7b12d07e584bd949c8c076036fd8dccff75712c..819ca4a459c42016971fb08187c30b475a808968 100755 (executable)
--- a/iptables/iptables-apply
+++ b/iptables/iptables-apply
@@ -123,7 +123,8 @@ done
 umask 0700
 
 TMPFILE=$(tempfile -p iptap)
-trap "rm -f $TMPFILE" EXIT 1 2 3 4 5 6 7 8 10 11 12 13 14 15
+trap "rm -f $TMPFILE" EXIT HUP INT QUIT ILL TRAP ABRT BUS \
+                     FPE USR1 SEGV USR2 PIPE ALRM TERM
 
 if ! "$SAVE" >"$TMPFILE"; then
        if ! grep -q ipt /proc/modules 2>/dev/null; then