Avoid allocating packet buffers unnecessarily.

[meshlink] / src / have.h

diff --git a/src/have.h b/src/have.h
index 4d9a97bd630ba1b9bc93954dee31b791920088cc..f64e15d09d9e57dd4e6f8bd3f500f755f4ef7d01 100644 (file)
--- a/src/have.h
+++ b/src/have.h
@@ -1,7 +1,9 @@
+#ifndef MESHLINK_HAVE_H
+#define MESHLINK_HAVE_H
+
 /*
     have.h -- include headers which are known to exist
-    Copyright (C) 1998-2005 Ivo Timmermans
-                  2003-2013 Guus Sliepen <guus@tinc-vpn.org>
+    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
@@ -18,9 +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
@@ -33,6 +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>
@@ -40,6 +42,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <limits.h>
+#include <assert.h>
 
 #ifdef HAVE_MINGW
 #include <w32api.h>
@@ -48,18 +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
@@ -90,10 +85,6 @@
 #include <sys/wait.h>
 #endif
 
-#ifdef HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
-#endif
-
 #ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif
@@ -102,10 +93,6 @@
 #include <sys/resource.h>
 #endif
 
-#ifdef HAVE_SYS_UIO_H
-#include <sys/uio.h>
-#endif
-
 #ifdef HAVE_SYS_UN_H
 #include <sys/un.h>
 #endif
@@ -125,76 +112,12 @@
 #include <sys/socket.h>
 #endif
 
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-
-#ifdef HAVE_NET_IF_TYPES_H
-#include <net/if_types.h>
-#endif
-
-#ifdef HAVE_NET_IF_TUN_H
-#include <net/if_tun.h>
-#endif
-
-#ifdef HAVE_NET_TUN_IF_TUN_H
-#include <net/tun/if_tun.h>
-#endif
-
-#ifdef HAVE_NET_IF_TAP_H
-#include <net/if_tap.h>
-#endif
-
-#ifdef HAVE_NET_TAP_IF_TAP_H
-#include <net/tap/if_tap.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_SYSTM_H
-#include <netinet/in_systm.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-
 #ifdef HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
 
-#ifdef HAVE_NETINET_IP_H
-#include <netinet/ip.h>
-#endif
-
-#ifdef HAVE_NETINET_TCP_H
-#include <netinet/tcp.h>
-#endif
-
-#ifdef HAVE_NETINET_IN6_H
-#include <netinet/in6.h>
-#endif
-
-#ifdef HAVE_NETINET_IP6_H
-#include <netinet/ip6.h>
-#endif
-
-#ifdef HAVE_NET_ETHERNET_H
-#include <net/ethernet.h>
-#endif
-
-#ifdef HAVE_NET_IF_ARP_H
-#include <net/if_arp.h>
-#endif
-
-#ifdef HAVE_NETINET_IP_ICMP_H
-#include <netinet/ip_icmp.h>
-#endif
-
-#ifdef HAVE_NETINET_ICMP6_H
-#include <netinet/icmp6.h>
-#endif
-
-#ifdef HAVE_NETINET_IF_ETHER_H
-#include <netinet/if_ether.h>
+#ifdef HAVE_IFADDRS_H
+#include <ifaddrs.h>
 #endif
 
 #ifdef HAVE_MINGW
@@ -203,7 +126,4 @@
 #define SLASH "/"
 #endif
 
-#define CONFDIR "/etc/"
-#define LOCALSTATEDIR "/var/"
-
-#endif /* __TINC_SYSTEM_H__ */
+#endif