rule: fix snprintf XML output offset for rule.

Signed-off-by: Arturo Borrero González <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/rule.c b/src/rule.c
index 3df1780..534526c 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -469,7 +469,7 @@ static int nft_rule_snprintf_xml(char *buf, size_t size, struct nft_rule *r,
 		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
 
 	}
-	ret = snprintf(buf+offset-1, len, "\n</rule>\n ");
+	ret = snprintf(buf+offset, len, "\n</rule>\n ");
 	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
 
 	return ret;