From: Matt Corallo <git@bluematt.me>
Date: Tue, 10 Sep 2024 01:02:38 +0000 (+0000)
Subject: Don't fail to print dropcount when zero rules are installed
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;p=flowspec-xdp

Don't fail to print dropcount when zero rules are installed
---

diff --git a/dropcount.sh b/dropcount.sh
index 6960ef9..18d96a2 100755
--- a/dropcount.sh
+++ b/dropcount.sh
@@ -34,7 +34,7 @@ echo "$MAP_CONTENTS" | {
 	echo -e "${PACKETS[2]}\t$(( ${BYTES[2]} / 1000 ))\tInvalid/rejected IHL IPv4 field"
 	echo -e "${PACKETS[3]}\t$(( ${BYTES[3]} / 1000 ))\tRejected IPv6 fragments"
 	C=4
-	if [ "$(wc -l "$(dirname ${BASH_SOURCE[0]})/installed-rules.txt")" != "0" ]; then
+	if [ "$(cat "$(dirname ${BASH_SOURCE[0]})/installed-rules.txt" | wc -c)" -gt "1" ]; then
 		while read LINE; do
 			echo -e "${PACKETS["$C"]}\t$(( ${BYTES["$C"]} / 1000 ))\t$LINE"
 			C=$(( $C + 1 ))