X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fhave.h;h=a155b04b41abe7a94f106bc8430b52fac6cb8914;hb=bc4df95a48857aa4ab65fb47eabd48c48d650ca0;hp=2428151af6c10946e5075480d3b1227c2f185345;hpb=0530bf8704f92e9741d969d6576bf8e2bbf026be;p=tinc

diff --git a/src/have.h b/src/have.h
index 2428151a..a155b04b 100644
--- a/src/have.h
+++ b/src/have.h
@@ -29,6 +29,8 @@
 #define _CRT_NONSTDC_NO_WARNINGS
 #endif
 
+#define __STDC_WANT_LIB_EXT1__ 1
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -51,6 +53,46 @@
 #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
+
+#if defined(HAVE_ATTR_MALLOC_WITH_ARG)
+#define ATTR_DEALLOCATOR(dealloc) __attribute__((__malloc__(dealloc)))
+#else
+#define ATTR_DEALLOCATOR(dealloc)
+#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)
@@ -91,11 +133,14 @@
 #include <syslog.h>
 #endif
 
+#ifdef HAVE_SYS_RANDOM_H
+#include <sys/random.h>
+#endif
+
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
-
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif