Avoid allocating packet buffers unnecessarily.

[meshlink] / src / have.h

diff --git a/src/have.h b/src/have.h
index 07411724a0e28158f47f1b1faa5791fdb33c2ec0..f64e15d09d9e57dd4e6f8bd3f500f755f4ef7d01 100644 (file)
--- a/src/have.h
+++ b/src/have.h
@@ -1,6 +1,9 @@
+#ifndef MESHLINK_HAVE_H
+#define MESHLINK_HAVE_H
+
 /*
     have.h -- include headers which are known to exist
-    Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
+    Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,9 +20,6 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_HAVE_H__
-#define __TINC_HAVE_H__
-
 #ifdef HAVE_MINGW
 #ifdef WITH_WINDOWS2000
 #define WINVER Windows2000
@@ -32,6 +32,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <inttypes.h>
 #include <string.h>
 #include <ctype.h>
 #include <signal.h>
@@ -39,6 +42,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <limits.h>
+#include <assert.h>
 
 #ifdef HAVE_MINGW
 #include <w32api.h>
@@ -47,18 +51,10 @@
 #include <ws2tcpip.h>
 #endif
 
-#ifdef HAVE_STDBOOL_H
-#include <stdbool.h>
-#endif
-
 #ifdef HAVE_TERMIOS_H
 #include <termios.h>
 #endif
 
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
-
 /* Include system specific headers */
 
 #ifdef HAVE_SYSLOG_H
@@ -120,10 +116,14 @@
 #include <arpa/inet.h>
 #endif
 
+#ifdef HAVE_IFADDRS_H
+#include <ifaddrs.h>
+#endif
+
 #ifdef HAVE_MINGW
 #define SLASH "\\"
 #else
 #define SLASH "/"
 #endif
 
-#endif /* __TINC_SYSTEM_H__ */
+#endif