API: Reject unknown flags

[adns] / src / adns.h

diff --git a/src/adns.h b/src/adns.h
index 51b489b..4cabc4a 100644 (file)
--- a/src/adns.h
+++ b/src/adns.h
@@ -50,8 +50,6 @@
  *  or the GNU Library General Public License, as appropriate, along
  *  with this program; if not, write to the Free Software Foundation.
  *
- *
- *  $Id$
  */
 
 #ifndef ADNS_H_INCLUDED
@@ -711,8 +709,7 @@ int adns_addr2text(const struct sockaddr *sa, adns_queryflags flags,
    * port is always in host byte order and is simply copied to and
    * from the appropriate sockaddr field (byteswapped as necessary).
    *
-   * The only flags supported are adns_qf_addrlit_...; others are
-   * ignored.
+   * The only flags supported are adns_qf_addrlit_...
    *
    * Error return values are:
    *
@@ -735,6 +732,8 @@ int adns_addr2text(const struct sockaddr *sa, adns_queryflags flags,
    *
    *  EAFNOSUPPORT   sa->sa_family is not supported (addr2text only).
    *
+   *  ENOSYS    Unsupported flags set.
+   *
    * Only if neither adns_qf_addrlit_scope_forbid nor
    * adns_qf_addrlit_scope_numeric are set:
    *