review: remove default NIL for C_DNSKEY_TTL

src/knot/conf/scheme.c

@@ -152,7 +152,7 @@ static const yp_item_t desc_policy[] = {
 	                                               DNSSEC_KEY_ALGORITHM_ECDSA_P256_SHA256 } },
 	{ C_KSK_SIZE,            YP_TINT,  YP_VINT = { 0, UINT16_MAX, YP_NIL, YP_SSIZE } },
 	{ C_ZSK_SIZE,            YP_TINT,  YP_VINT = { 0, UINT16_MAX, YP_NIL, YP_SSIZE } },
-	{ C_DNSKEY_TTL,          YP_TINT,  YP_VINT = { 0, UINT32_MAX, YP_NIL, YP_STIME } },
+	{ C_DNSKEY_TTL,          YP_TINT,  YP_VINT = { 0, UINT32_MAX, 0, YP_STIME } },
 	{ C_ZSK_LIFETIME,        YP_TINT,  YP_VINT = { 1, UINT32_MAX, DAYS(30), YP_STIME } },
 	{ C_RRSIG_LIFETIME,      YP_TINT,  YP_VINT = { 1, UINT32_MAX, DAYS(14), YP_STIME } },
 	{ C_RRSIG_REFRESH,       YP_TINT,  YP_VINT = { 1, UINT32_MAX, DAYS(7), YP_STIME } },

src/knot/dnssec/context.c

@@ -73,8 +73,7 @@ static int policy_load(void *ctx, dnssec_kasp_policy_t *policy)
 	                   dnssec_algorithm_key_size_default(policy->algorithm);
 
 	val = conf_rawid_get(conf(), C_POLICY, C_DNSKEY_TTL, id, id_len);
-	num = conf_int(&val);
-	policy->dnskey_ttl = (num != YP_NIL) ? num : 0;
+	policy->dnskey_ttl = conf_int(&val);
 
 	val = conf_rawid_get(conf(), C_POLICY, C_ZSK_LIFETIME, id, id_len);
 	policy->zsk_lifetime = conf_int(&val);