1 files changed, 44 insertions, 0 deletions
diff --git a/src/libs6dns/s6dns_fmt_soa.c b/src/libs6dns/s6dns_fmt_soa.c
new file mode 100644
index 0000000..e066c6a
--- /dev/null
+++ b/src/libs6dns/s6dns_fmt_soa.c
@@ -0,0 +1,44 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/uint32.h>
+#include <skalibs/bytestr.h>
+#include <s6-dns/s6dns-message.h>
+#include <s6-dns/s6dns-fmt.h>
+
+unsigned int s6dns_fmt_soa (char *s, unsigned int max, s6dns_message_rr_soa_t const *soa)
+{
+  char fmt[UINT32_FMT] ;
+  unsigned int len = 0 ;
+  register unsigned int r = s6dns_domain_tostring(s + len, max - len, &soa->mname) ;
+  if (!r) return 0 ;
+  len += r ;
+  if (len >= max) return (errno = ENAMETOOLONG, 0) ;
+  s[len++] = ' ' ;
+  r = s6dns_domain_tostring(s + len, max - len, &soa->rname) ;
+  if (!r) return 0 ;
+  len += r ;
+  if (len >= max) return (errno = ENAMETOOLONG, 0) ;
+  s[len++] = ' ' ;
+  r = uint32_fmt(fmt, soa->serial) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = uint32_fmt(fmt, soa->refresh) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = uint32_fmt(fmt, soa->retry) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = uint32_fmt(fmt, soa->expire) ;
+  if (len + r >= max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ; s[len++] = ' ' ;
+  r = uint32_fmt(fmt, soa->minimum) ;
+  if (len + r > max) return (errno = ENAMETOOLONG, 0) ;
+  byte_copy(s + len, r, fmt) ;
+  len += r ;
+  return len ;
+}