[GNUnet-SVN] [gnunet] 01/02: improve types, eliminate compiler warning for unused function

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

commit 96b233995e41e0b6be65734ec5f29108ee017d31
Author: Christian Grothoff <address@hidden>
AuthorDate: Fri Dec 23 22:37:31 2016 +0100

    improve types, eliminate compiler warning for unused function
---
 src/nat/nat_api_stun.c |  4 +---
 src/nat/nat_stun.h     | 21 ++++++++++++---------
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/nat/nat_api_stun.c b/src/nat/nat_api_stun.c
index 8f5a5f8..7f2ef4e 100644
--- a/src/nat/nat_api_stun.c
+++ b/src/nat/nat_api_stun.c
@@ -199,9 +199,7 @@ stun_dns_callback (void *cls,
 
 /**
  * Make Generic STUN request. Sends a generic stun request to the
- * server specified using the specified socket, possibly waiting for
- * a reply and filling the 'reply' field with the externally visible
- * address.
+ * server specified using the specified socket.  
  *
  * @param server the address of the stun server
  * @param port port of the stun server, in host byte order
diff --git a/src/nat/nat_stun.h b/src/nat/nat_stun.h
index 4c6c178..3e42288 100644
--- a/src/nat/nat_stun.h
+++ b/src/nat/nat_stun.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     Copyright (C) 2009, 2015 GNUnet e.V.
+     Copyright (C) 2009, 2015, 2016 GNUnet e.V.
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -135,23 +135,24 @@ enum StunAttributes {
  * @param msg the received message
  * @return the converted StunClass
  */
-static int
-decode_class(int msg)
+static enum StunClasses
+decode_class (int msg)
 {
   /* Sorry for the magic, but this maps the class according to rfc5245 */
-  return ((msg & 0x0010) >> 4) | ((msg & 0x0100) >> 7);
+  return (enum StunClasses) ((msg & 0x0010) >> 4) | ((msg & 0x0100) >> 7);
 }
 
+
 /**
  * Convert a message to a StunMethod
  *
  * @param msg the received message
  * @return the converted StunMethod
  */
-static int
-decode_method(int msg)
+static enum StunMethods
+decode_method (int msg)
 {
-  return (msg & 0x000f) | ((msg & 0x00e0) >> 1) | ((msg & 0x3e00) >> 2);
+  return (enum StunMethods) (msg & 0x000f) | ((msg & 0x00e0) >> 1) | ((msg & 
0x3e00) >> 2);
 }
 
 
@@ -161,6 +162,7 @@ decode_method(int msg)
  * @param msg
  * @return string with the message class and method
  */
+GNUNET_UNUSED
 static const char *
 stun_msg2str (int msg)
 {
@@ -172,14 +174,14 @@ stun_msg2str (int msg)
     { STUN_INDICATION, "Indication" },
     { STUN_RESPONSE, "Response" },
     { STUN_ERROR_RESPONSE, "Error Response" },
-    { 0, NULL }
+    { INVALID_CLASS, NULL }
   };
   static const struct {
     enum StunMethods value;
     const char *name;
   } methods[] = {
     { STUN_BINDING, "Binding" },
-    { 0, NULL }
+    { INVALID_METHOD, NULL }
   };
   static char result[64];
   const char *msg_class = NULL;
@@ -215,6 +217,7 @@ stun_msg2str (int msg)
  * @param msg with a attribute type
  * @return string with the attribute name
  */
+GNUNET_UNUSED
 static const char *
 stun_attr2str (enum StunAttributes msg)
 {

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