BSD compatibility fixes

Author: wtoorop

context.c

@@ -30,6 +30,7 @@
 #include <getdns/getdns_extra.h>
 #include <arpa/inet.h>
 #include <sys/wait.h>
+#include <sys/socket.h>
 #include "pygetdns.h"
 
 int
@@ -630,7 +631,7 @@ context_set_dns_root_servers(getdns_context *context, PyObject *py_value)
     PyObject *str;
     getdns_dict *addr_dict;
     int domain;
-    unsigned char buf[sizeof(struct in6_addr)];
+    unsigned char buf[IPv6_ADDR_SIZE];
 
     if (!PyList_Check(py_value))  {
         PyErr_SetString(getdns_error, GETDNS_RETURN_INVALID_PARAMETER_TEXT);

pygetdns.h

@@ -38,6 +38,8 @@
 #define GETDNS_STR_IPV4 "IPv4"
 #define GETDNS_STR_IPV6 "IPv6"
 
+#define IPv6_ADDR_SIZE 16
+
 #if !defined(UNUSED_PARAM)
 # define UNUSED_PARAM(x) ((void)(x))
 #endif

pygetdns_util.c

@@ -35,6 +35,10 @@
 #include <arpa/inet.h>
 #include <stdio.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
 #include <getdns/getdns.h>
 #include <getdns/getdns_extra.h>
 #include "pygetdns.h"
@@ -369,7 +373,7 @@ getdns_dict *
     getdns_bindata addr_data;
     getdns_bindata addr_type;
     PyObject *str;
-    unsigned char buf[sizeof(struct in6_addr)];
+    unsigned char buf[IPv6_ADDR_SIZE];
     int domain;
     getdns_bindata tls_auth_name;
     getdns_bindata scope_id;