From 4f6e72de5543cbfdf3ee373e5a0238023ee72b89 Mon Sep 17 00:00:00 2001
From: Richard Harrison <rjh@zaretto.com>
Date: Sat, 8 Jun 2019 15:49:15 +0200
Subject: [PATCH] UDNS Windows compatibility changes

For some reason the config file doesn't generate with WINDOWS defined on my system.
---
 3rdparty/udns/udns_init.c     | 6 +++---
 3rdparty/udns/udns_resolver.c | 8 ++++----
 3rdparty/udns/udns_rr_a.c     | 2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/3rdparty/udns/udns_init.c b/3rdparty/udns/udns_init.c
index 493af589..c28d7c08 100644
--- a/3rdparty/udns/udns_init.c
+++ b/3rdparty/udns/udns_init.c
@@ -24,7 +24,7 @@
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
 # include <winsock2.h>          /* includes <windows.h> */
 # include <iphlpapi.h>		/* for dns server addresses etc */
 #else
@@ -53,7 +53,7 @@ static void dns_set_srch_internal(struct dns_ctx *ctx, char *srch) {
     dns_add_srch(ctx, srch);
 }
 
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
 
 #ifndef NO_IPHLPAPI
 /* Apparently, some systems does not have proper headers for IPHLPAIP to work.
@@ -217,7 +217,7 @@ int dns_init(struct dns_ctx *ctx, int do_open) {
     ctx = &dns_defctx;
   dns_reset(ctx);
 
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
   if (dns_initns_iphlpapi(ctx) != 0)
     dns_initns_registry(ctx);
   /*XXX WINDOWS: probably good to get default domain and search list too...
diff --git a/3rdparty/udns/udns_resolver.c b/3rdparty/udns/udns_resolver.c
index b8f899a2..9f8b7503 100644
--- a/3rdparty/udns/udns_resolver.c
+++ b/3rdparty/udns/udns_resolver.c
@@ -24,7 +24,7 @@
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
 # include <winsock2.h>          /* includes <windows.h> */
 # include <ws2tcpip.h>          /* needed for struct in6_addr */
 #else
@@ -392,7 +392,7 @@ dns_set_tmcbck(struct dns_ctx *ctx, dns_utm_fn *fn, void *data) {
 }
 
 static unsigned dns_nonrandom_32(void) {
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
   FILETIME ft;
   GetSystemTimeAsFileTime(&ft);
   return ft.dwLowDateTime;
@@ -551,7 +551,7 @@ int dns_open(struct dns_ctx *ctx) {
     ctx->dnsc_qstatus = DNS_E_TEMPFAIL;
     return -1;
   }
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
   { unsigned long on = 1;
     if (ioctlsocket(sock, FIONBIO, &on) == SOCKET_ERROR) {
       closesocket(sock);
@@ -991,7 +991,7 @@ again: /* receive the reply */
      * or remote.  On local errors, we should stop, while
      * remote errors should be ignored (for now anyway).
      */
-#ifdef WINDOWS
+#if defined(_WINDOWS) || defined(WINDOWS)
     if (WSAGetLastError() == WSAEWOULDBLOCK)
 #else
     if (errno == EAGAIN)
diff --git a/3rdparty/udns/udns_rr_a.c b/3rdparty/udns/udns_rr_a.c
index 72cd2022..4492d049 100644
--- a/3rdparty/udns/udns_rr_a.c
+++ b/3rdparty/udns/udns_rr_a.c
@@ -27,7 +27,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
-#ifndef WINDOWS
+#if !defined(_WINDOWS) && !defined(WINDOWS)
 # include <sys/types.h>
 # include <netinet/in.h>
 #endif