[src/trunk]: src/lib/librumpuser printf functions should be tagged as printf ...

[dholland <dholland%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/50980e3e1f2d
branches:  trunk
changeset: 347615:50980e3e1f2d
user:      dholland <dholland%NetBSD.org@localhost>
date:      Mon Sep 05 20:41:59 2016 +0000

description:
printf functions should be tagged as printf functions. Noticed by
martin, whose build broke for some reason yet to be determined.

diffstat:

 lib/librumpuser/sp_common.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (29 lines):

diff -r fc07907e573e -r 50980e3e1f2d lib/librumpuser/sp_common.c
--- a/lib/librumpuser/sp_common.c       Mon Sep 05 17:42:57 2016 +0000
+++ b/lib/librumpuser/sp_common.c       Mon Sep 05 20:41:59 2016 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: sp_common.c,v 1.38 2014/01/08 01:45:29 pooka Exp $    */
+/*      $NetBSD: sp_common.c,v 1.39 2016/09/05 20:41:59 dholland Exp $ */
 
 /*
  * Copyright (c) 2010, 2011 Antti Kantee.  All Rights Reserved.
@@ -60,14 +60,17 @@
  * XXX: NetBSD's __unused collides with Linux headers, so we cannot
  * define it before we've included everything.
  */
-#if !defined(__unused) && defined(__GNUC__)
+#if !defined(__unused) && (defined(__clang__) || defined(__GNUC__))
 #define __unused __attribute__((__unused__))
 #endif
+#if !defined(__printflike) && (defined(__clang__) || defined(__GNUC__))
+#define __printflike(a,b) __attribute__((__format__(__printf__, a, b))))
+#endif
 
 //#define DEBUG
 #ifdef DEBUG
 #define DPRINTF(x) mydprintf x
-static void
+static __printflike(1, 2) void
 mydprintf(const char *fmt, ...)
 {
        va_list ap;