From: Jeff Lucovsky <jlucovsky@oisf.net>
Date: Fri, 23 Jun 2023 13:00:33 +0000 (-0400)
Subject: detect/stat: Display 0 instead of nan
X-Git-Tag: suricata-7.0.0~80
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb30b7185f6af0299f2ceab6072aa9030f6f3a5c;p=thirdparty%2Fsuricata.git

detect/stat: Display 0 instead of nan

This commit updates the summary message when Suricata terminates.
Without this commit, "nan" was displayed if there were no drops/packets
---

diff --git a/src/util-device.c b/src/util-device.c
index 74a51c9f10..cc38bbd76f 100644
--- a/src/util-device.c
+++ b/src/util-device.c
@@ -321,7 +321,9 @@ int LiveDeviceListClean(void)
             SCLogNotice("%s: packets: %" PRIu64 ", drops: %" PRIu64
                         " (%.2f%%), invalid chksum: %" PRIu64,
                     pd->dev, SC_ATOMIC_GET(pd->pkts), SC_ATOMIC_GET(pd->drop),
-                    100 * ((double)SC_ATOMIC_GET(pd->drop)) / (double)SC_ATOMIC_GET(pd->pkts),
+                    SC_ATOMIC_GET(pd->pkts) > 0 ? 100 * ((double)SC_ATOMIC_GET(pd->drop)) /
+                                                          (double)SC_ATOMIC_GET(pd->pkts)
+                                                : 0,
                     SC_ATOMIC_GET(pd->invalid_checksums));
         }