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-rw-r--r--src/expr/counter.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/src/expr/counter.c b/src/expr/counter.c
index 9d85a96..6f6a7ee 100644
--- a/src/expr/counter.c
+++ b/src/expr/counter.c
@@ -150,16 +150,12 @@ nft_rule_expr_counter_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree,
uint64_t pkts, bytes;
if (nft_mxml_num_parse(tree, "pkts", MXML_DESCEND_FIRST, BASE_DEC,
- &pkts, NFT_TYPE_U64, NFT_XML_MAND,
- err) != 0)
- return -1;
- nft_rule_expr_set_u64(e, NFT_EXPR_CTR_PACKETS, pkts);
+ &pkts, NFT_TYPE_U64, NFT_XML_MAND, err) == 0)
+ nft_rule_expr_set_u64(e, NFT_EXPR_CTR_PACKETS, pkts);
if (nft_mxml_num_parse(tree, "bytes", MXML_DESCEND_FIRST, BASE_DEC,
- &bytes, NFT_TYPE_U64, NFT_XML_MAND,
- err) != 0)
- return -1;
- nft_rule_expr_set_u64(e, NFT_EXPR_CTR_BYTES, bytes);
+ &bytes, NFT_TYPE_U64, NFT_XML_MAND, err) == 0)
+ nft_rule_expr_set_u64(e, NFT_EXPR_CTR_BYTES, bytes);
return 0;
#else
@@ -179,11 +175,20 @@ static int nft_rule_expr_counter_snprintf_json(char *buf, size_t len,
static int nft_rule_expr_counter_snprintf_xml(char *buf, size_t len,
struct nft_rule_expr *e)
{
+ int ret, size = len, offset = 0;
struct nft_expr_counter *ctr = nft_expr_data(e);
- return snprintf(buf, len, "<pkts>%"PRIu64"</pkts>"
- "<bytes>%"PRIu64"</bytes>",
- ctr->pkts, ctr->bytes);
+ if (e->flags & (1 << NFT_EXPR_CTR_PACKETS)) {
+ ret = snprintf(buf, len, "<pkts>%"PRIu64"</pkts>", ctr->pkts);
+ SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+ }
+ if (e->flags & (1 << NFT_EXPR_CTR_BYTES)) {
+ ret = snprintf(buf + offset, len, "<bytes>%"PRIu64"</bytes>",
+ ctr->bytes);
+ SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+ }
+
+ return offset;
}
static int nft_rule_expr_counter_snprintf_default(char *buf, size_t len,