X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fhave.h;h=5d99cc235bc8bd96e9002fd63b9a79052c334080;hb=9c577bd201009f14b4cb5d8540b6dc03246f6165;hp=2428151af6c10946e5075480d3b1227c2f185345;hpb=0530bf8704f92e9741d969d6576bf8e2bbf026be;p=tinc

diff --git a/src/have.h b/src/have.h
index 2428151a..5d99cc23 100644
--- a/src/have.h
+++ b/src/have.h
@@ -51,6 +51,40 @@
 #define STATIC_ASSERT(check, msg)
 #endif
 
+#ifdef HAVE_ATTR_PACKED
+#define PACKED(...) __VA_ARGS__ __attribute__((__packed__))
+#else
+#ifdef _MSC_VER
+#define PACKED(...) __pragma(pack(push, 1)) __VA_ARGS__ __pragma(pack(pop))
+#else
+#warning Your compiler does not support __packed__. Use at your own risk.
+#endif
+#endif
+
+#ifdef HAVE_ATTR_MALLOC
+#define ATTR_MALLOC __attribute__((__malloc__))
+#else
+#define ATTR_MALLOC
+#endif
+
+#ifdef HAVE_ATTR_NONNULL
+#define ATTR_NONNULL __attribute__((__nonnull__))
+#else
+#define ATTR_NONNULL
+#endif
+
+#ifdef HAVE_ATTR_WARN_UNUSED_RESULT
+#define ATTR_WARN_UNUSED __attribute__((__warn_unused_result__))
+#else
+#define ATTR_WARN_UNUSED
+#endif
+
+#ifdef HAVE_ATTR_FORMAT
+#define ATTR_FORMAT(func, str, nonstr) __attribute__((format(func, str, nonstr)))
+#else
+#define ATTR_FORMAT(func, str, nonstr)
+#endif
+
 #ifdef HAVE_ALLOCA_H
 #include <alloca.h>
 #elif defined(HAVE_NETBSD)