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authorFlorian Westphal <fw@strlen.de>2019-09-16 15:44:48 +0200
committerFlorian Westphal <fw@strlen.de>2019-09-16 15:44:48 +0200
commit03a4a20b675fb728866b51864b885714551176d3 (patch)
tree423a8d236c612c6f19678b22a5d8729f8ebc0cd0 /libiptc
parent7f97513ae2532c62854084e914a517ea79ad3b31 (diff)
libiptc: silence two comiler warnings
avoid hyptothetical truncation by leaving space for triling zero byte. silcences: In file included from libip4tc.c:113: libiptc.c: In function ‘iptcc_alloc_chain_head’: libiptc.c:163:2: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation] 163 | strncpy(c->name, name, TABLE_MAXNAMELEN); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libiptc.c: In function ‘iptc_rename_chain’: libiptc.c:2388:2: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation] 2388 | strncpy(c->name, newname, sizeof(IPT_CHAINLABEL)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'libiptc')
-rw-r--r--libiptc/libiptc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libiptc/libiptc.c b/libiptc/libiptc.c
index ee2b8521..58882015 100644
--- a/libiptc/libiptc.c
+++ b/libiptc/libiptc.c
@@ -160,7 +160,7 @@ static struct chain_head *iptcc_alloc_chain_head(const char *name, int hooknum)
return NULL;
memset(c, 0, sizeof(*c));
- strncpy(c->name, name, TABLE_MAXNAMELEN);
+ strncpy(c->name, name, TABLE_MAXNAMELEN - 1);
c->hooknum = hooknum;
INIT_LIST_HEAD(&c->rules);
@@ -2385,7 +2385,7 @@ int TC_RENAME_CHAIN(const IPT_CHAINLABEL oldname,
iptcc_chain_index_delete_chain(c, handle);
/* Change the name of the chain */
- strncpy(c->name, newname, sizeof(IPT_CHAINLABEL));
+ strncpy(c->name, newname, sizeof(IPT_CHAINLABEL) - 1);
/* Insert sorted into to list again */
iptc_insert_chain(handle, c);