Initial commit

1 files changed, 17 insertions, 0 deletions

diff --git a/src/libs6dns/s6dns_analyze_record_a.c b/src/libs6dns/s6dns_analyze_record_a.c
new file mode 100644
index 0000000..5e374cb
--- /dev/null
+++ b/src/libs6dns/s6dns_analyze_record_a.c
@@ -0,0 +1,17 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/error.h>
+#include <skalibs/genwrite.h>
+#include <skalibs/fmtscan.h>
+#include <s6-dns/s6dns-message.h>
+#include <s6-dns/s6dns-analyze.h>
+
+int s6dns_analyze_record_a (genwrite_t *gp, s6dns_message_rr_t const *rr, char const *packet, unsigned int packetlen, unsigned int pos)
+{
+  char fmt[IP4_FMT] ;
+  if (rr->rdlength != 4) return (errno = EPROTO, 0) ;
+  if (pos + 4 > packetlen) return (errno = EPROTO, 0) ;
+  if ((*gp->put)(gp->target, fmt, ip4_fmt(fmt, packet + pos)) < 0) return 0 ;
+  return 1 ;
+}