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-rw-r--r--src/libs6dns/s6dns_message_parse_question.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libs6dns/s6dns_message_parse_question.c b/src/libs6dns/s6dns_message_parse_question.c
index e2b639f..170168c 100644
--- a/src/libs6dns/s6dns_message_parse_question.c
+++ b/src/libs6dns/s6dns_message_parse_question.c
@@ -8,13 +8,15 @@
#include <s6-dns/s6dns-constants.h>
#include <s6-dns/s6dns-message.h>
-int s6dns_message_parse_question (s6dns_domain_t *name, uint16_t *qtype, char const *packet, unsigned int packetlen, unsigned int *pos)
+int s6dns_message_parse_question (s6dns_message_counts_t *counts, s6dns_domain_t *name, uint16_t *qtype, char const *packet, unsigned int packetlen, unsigned int *pos)
{
uint16_t qclass ;
+ if (!counts->qd) return (errno = EINVAL, 0) ;
if (!s6dns_message_get_domain(name, packet, packetlen, pos)) return 0 ;
if (*pos + 4 > packetlen) return (errno = EPROTO, 0) ;
uint16_unpack_big(packet + *pos, qtype) ; *pos += 2 ;
uint16_unpack_big(packet + *pos, &qclass) ; *pos += 2 ;
if (qclass != S6DNS_C_IN) return (errno = ENOTSUP, 0) ;
+ counts->qd-- ;
return 1 ;
}