1 files changed, 29 insertions, 0 deletions
diff --git a/src/libs6dns/s6dns_fmt_srv.c b/src/libs6dns/s6dns_fmt_srv.c
new file mode 100644
index 0000000..ad0944b
--- /dev/null
+++ b/src/libs6dns/s6dns_fmt_srv.c
@@ -0,0 +1,29 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/uint16.h>
+#include <skalibs/bytestr.h>
+#include <s6-dns/s6dns-message.h>
+#include <s6-dns/s6dns-fmt.h>
+
+unsigned int s6dns_fmt_srv (char *s, unsigned int max, s6dns_message_rr_srv_t const *srv)
+{
+  char fmt[UINT16_FMT] ;
+  unsigned int len = 0 ;
+  register unsigned int r = uint16_fmt(fmt, srv->priority) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = uint16_fmt(fmt, srv->weight) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = uint16_fmt(fmt, srv->port) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = s6dns_domain_tostring(s + len, max - len, &srv->target) ;
+  if (!r) return 0 ;
+  len += r ;
+  return len ;
+}