1 files changed, 14 insertions, 0 deletions
diff --git a/src/libs6dns/s6dns_domain_noqualify.c b/src/libs6dns/s6dns_domain_noqualify.c
new file mode 100644
index 0000000..4f91171
--- /dev/null
+++ b/src/libs6dns/s6dns_domain_noqualify.c
@@ -0,0 +1,14 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <s6-dns/s6dns-domain.h>
+
+int s6dns_domain_noqualify (s6dns_domain_t *d)
+{
+  if (d->s[d->len-1] != '.')
+  {
+    if (d->len == 255) return (errno = ENAMETOOLONG, 0) ;
+    d->s[d->len++] = '.' ;
+  }
+  return 1 ;
+}