From: David Vašek <david.vasek@nic.cz>
Date: Mon, 3 Apr 2023 22:14:49 +0000 (+0200)
Subject: kdig: be careful about the received EDNS EXPIRE value
X-Git-Tag: v3.4.dev~166
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=779b5938c7ca090e644f1fe45844f610a2b4fd0d;p=thirdparty%2Fknot-dns.git

kdig: be careful about the received EDNS EXPIRE value
---

diff --git a/src/utils/common/exec.c b/src/utils/common/exec.c
index afe026fa78..dfecd9af80 100644
--- a/src/utils/common/exec.c
+++ b/src/utils/common/exec.c
@@ -278,8 +278,11 @@ static void print_expire(const uint8_t *data, uint16_t len)
 	} else {
 		char str[80] = "";
 		uint32_t timer = knot_wire_read_u32(data);
-		knot_time_print_human(timer, str, sizeof(str), false);
-		printf("%u (%s)", timer, str);
+		if (knot_time_print_human(timer, str, sizeof(str), false) > 0) {
+			printf("%u (%s)", timer, str);
+		} else {
+			printf("%u", timer);
+		}
 	}
 }