From 416ef5e2bf59bb2e45066a1d5d91ac677c0f48e5 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Wed, 10 Dec 2014 03:05:47 +0000
Subject: Initial commit

---
 src/libs6dns/s6dns_fmt_mx.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/libs6dns/s6dns_fmt_mx.c

(limited to 'src/libs6dns/s6dns_fmt_mx.c')

diff --git a/src/libs6dns/s6dns_fmt_mx.c b/src/libs6dns/s6dns_fmt_mx.c
new file mode 100644
index 0000000..aba538b
--- /dev/null
+++ b/src/libs6dns/s6dns_fmt_mx.c
@@ -0,0 +1,19 @@
+/* ISC license. */
+
+#include <skalibs/uint16.h>
+#include <skalibs/bytestr.h>
+#include <s6-dns/s6dns-message.h>
+#include <s6-dns/s6dns-fmt.h>
+
+unsigned int s6dns_fmt_mx (char *s, unsigned int max, s6dns_message_rr_mx_t const *mx)
+{
+  char fmt[UINT16_FMT] ;
+  unsigned int len = uint16_fmt(fmt, mx->preference) ;
+  unsigned int r ;
+  if (len >= max) return 0 ;
+  fmt[len++] = ' ' ;
+  r = s6dns_domain_tostring(s + len, max - len, &mx->exchange) ;
+  if (!r) return 0 ;
+  byte_copy(s, len, fmt) ;
+  return len + r ;
+}
-- 
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