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Diffstat (limited to 'src/skadns/skadns_packetlen.c')
-rw-r--r--src/skadns/skadns_packetlen.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/skadns/skadns_packetlen.c b/src/skadns/skadns_packetlen.c
new file mode 100644
index 0000000..34cbb28
--- /dev/null
+++ b/src/skadns/skadns_packetlen.c
@@ -0,0 +1,16 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/uint16.h>
+#include <skalibs/gensetdyn.h>
+#include <s6-dns/skadns.h>
+
+int skadns_packetlen (skadns_t const *a, uint16 id)
+{
+ register skadnsanswer_t *p = GENSETDYN_P(skadnsanswer_t, &a->q, id) ;
+ switch (p->status)
+ {
+ case 0 : return p->len ;
+ default : return (errno = p->status, -1) ;
+ }
+}