attribute alloc_size for newer gccs.

[catta] / avahi-common / gccmacro.h

diff --git a/avahi-common/gccmacro.h b/avahi-common/gccmacro.h
index 78a09a73fd99208d20e8adb057b6e380407f6d90..dd495022929840c112991161c24d76560f5162a9 100644 (file)
--- a/avahi-common/gccmacro.h
+++ b/avahi-common/gccmacro.h
@@ -28,6 +28,15 @@
 
 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