proto is u16 in the data structure, so this gave:
nft-ipv6.c:422:44: warning: '__builtin___snprintf_chk' output may be truncated before the last format character [-Wformat-truncation=]
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
---
iptables/nft-ipv4.c | 2 +-
iptables/nft-ipv6.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/iptables/nft-ipv4.c b/iptables/nft-ipv4.c
index 00dd3e93826b..b779aef5c086 100644
--- a/iptables/nft-ipv4.c
+++ b/iptables/nft-ipv4.c
@@ -459,7 +459,7 @@ static int nft_ipv4_xlate(const void *data, struct xt_xlate *xl)
if (cs->fw.ip.proto != 0) {
const struct protoent *pent =
getprotobynumber(cs->fw.ip.proto);
- char protonum[strlen("255") + 1];
+ char protonum[sizeof("65535")];
if (!xlate_find_match(cs, pent->p_name)) {
snprintf(protonum, sizeof(protonum), "%u",
diff --git a/iptables/nft-ipv6.c b/iptables/nft-ipv6.c
index 9867d1ee30b1..1be49dd30027 100644
--- a/iptables/nft-ipv6.c
+++ b/iptables/nft-ipv6.c
@@ -416,7 +416,7 @@ static int nft_ipv6_xlate(const void *data, struct xt_xlate *xl)
if (cs->fw6.ipv6.proto != 0) {
const struct protoent *pent =
getprotobynumber(cs->fw6.ipv6.proto);
- char protonum[strlen("255") + 1];
+ char protonum[sizeof("65535")];
if (!xlate_find_match(cs, pent->p_name)) {
snprintf(protonum, sizeof(protonum), "%u",
--
2.16.1
--
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