X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fhave.h;h=d176098fd62152059b6b03a2c97e150981391852;hb=c44b08613508c993e7fd9f625e0b1b4775efffed;hp=36d17b6096d3cca7dbe65c68d70131d785c7d8c6;hpb=373b0c12d9d0e8a3b449fd18be704e28dd6403e1;p=tinc

diff --git a/src/have.h b/src/have.h
index 36d17b60..d176098f 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>
@@ -45,6 +47,46 @@
 #include <math.h>
 #include <time.h>
 
+#ifdef HAVE_STATIC_ASSERT
+#define STATIC_ASSERT(expr, msg) _Static_assert((expr), msg)
+#else
+#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)
@@ -85,11 +127,14 @@
 #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