X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-common%2Fgccmacro.h;h=4c97111aaffd44484698ea76950b9882a3ba7039;hb=9c0f9c65093cfa53d45f9b68782321eb8063a032;hp=42fb15341cc54d124ec99282d32ba39c3c820842;hpb=4f0a5e7572a4257894b4bfede42c26d65152609e;p=catta

diff --git a/avahi-common/gccmacro.h b/avahi-common/gccmacro.h
index 42fb153..4c97111 100644
--- a/avahi-common/gccmacro.h
+++ b/avahi-common/gccmacro.h
@@ -1,30 +1,44 @@
 #ifndef foogccmacrohfoo
 #define foogccmacrohfoo
 
-/* $Id$ */
-
 /***
   This file is part of avahi.
- 
+
   avahi is free software; you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.
- 
+
   avahi is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
   Public License for more details.
- 
+
   You should have received a copy of the GNU Lesser General Public
   License along with avahi; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
   USA.
 ***/
 
-#ifdef __GNUC__
+/** \file gccmacro.h Defines some macros for GCC extensions */
+
+#include <avahi-common/cdecl.h>
+
+AVAHI_C_DECL_BEGIN
+
+#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
+#define AVAHI_GCC_ALLOC_SIZE(x) __attribute__ ((__alloc_size__(x)))
+#define AVAHI_GCC_ALLOC_SIZE2(x,y) __attribute__ ((__alloc_size__(x,y)))
+#else
+/** Macro for usage of GCC's alloc_size attribute */
+#define AVAHI_GCC_ALLOC_SIZE(x)
+#define AVAHI_GCC_ALLOC_SIZE2(x,y)
+#endif
+
+#if defined(__GNUC__) && (__GNUC__ >= 4)
 #define AVAHI_GCC_SENTINEL __attribute__ ((sentinel))
 #else
+/** Macro for usage of GCC's sentinel compilation warnings */
 #define AVAHI_GCC_SENTINEL
 #endif
 
@@ -35,13 +49,26 @@
 #define AVAHI_GCC_PRINTF_ATTR(a,b)
 #endif
 
+/** Same as AVAHI_GCC_PRINTF_ATTR but hard coded to arguments 1 and 2 */
 #define AVAHI_GCC_PRINTF_ATTR12 AVAHI_GCC_PRINTF_ATTR(1,2)
+
+/** Same as AVAHI_GCC_PRINTF_ATTR but hard coded to arguments 2 and 3 */
 #define AVAHI_GCC_PRINTF_ATTR23 AVAHI_GCC_PRINTF_ATTR(2,3)
 
 #ifdef __GNUC__
 #define AVAHI_GCC_NORETURN __attribute__((noreturn))
 #else
+/** Macro for no-return functions */
 #define AVAHI_GCC_NORETURN
 #endif
 
+#ifdef __GNUC__
+#define AVAHI_GCC_UNUSED __attribute__ ((unused))
+#else
+/** Macro for not used parameter */
+#define AVAHI_GCC_UNUSED
+#endif
+
+AVAHI_C_DECL_END
+
 #endif