From bfd53d3cc3afbf199fa27f74bf4b35c1ad955c2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rados=C5=82aw=20Szkodzi=C5=84ski?= <astralstorm@gmail.com>
Date: Tue, 3 Jan 2023 14:14:07 +0100
Subject: [PATCH] Fix Windows build

Fixes all found instances of missing APIs and headers on Windows.
---
 src/anchor.c          | 12 ++++++++++++
 src/compat/mkstemp.c  |  6 +++---
 src/gldns/parse.c     |  2 +-
 src/gldns/parseutil.c |  2 ++
 src/stub.c            |  5 +++++
 5 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/anchor.c b/src/anchor.c
index f50c4a3d1..fc357b649 100644
--- a/src/anchor.c
+++ b/src/anchor.c
@@ -551,7 +551,11 @@ static void tas_rinse(getdns_context *context, tas_connection *a)
 		GETDNS_CLEAR_EVENT(a->loop, &a->event);
 	a->event.ev = NULL;
 	if (a->fd >= 0)
+#ifdef USE_WINSOCK
+		closesocket(a->fd);
+#else
 		close(a->fd);
+#endif
 	a->fd = -1;
 	if (a->xml.data)
 		GETDNS_FREE(context->mf, a->xml.data);
@@ -662,7 +666,11 @@ static void tas_reconnect_cb(void *userarg)
 	           , "Waiting for second document timeout. Reconnecting...\n");
 
 	GETDNS_CLEAR_EVENT(a->loop, &a->event);
+#ifdef USE_WINSOCK
+	closesocket(a->fd);
+#else
 	close(a->fd);
+#endif
 	a->fd = -1;
 	if (a->state == TAS_READ_PS7_HDR) {
 		a->state = TAS_RETRY;
@@ -778,7 +786,11 @@ static void tas_read_cb(void *userarg)
 	if (n == 0) {
 		DEBUG_ANCHOR("Connection closed\n");
 		GETDNS_CLEAR_EVENT(a->loop, &a->event);
+#ifdef USE_WINSOCK
+		closesocket(a->fd);
+#else
 		close(a->fd);
+#endif
 		a->fd = -1;
 		if (a->state == TAS_READ_PS7_HDR) {
 			a->state = TAS_RETRY;
diff --git a/src/compat/mkstemp.c b/src/compat/mkstemp.c
index 49d3e919a..86d1dfd67 100644
--- a/src/compat/mkstemp.c
+++ b/src/compat/mkstemp.c
@@ -30,14 +30,14 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <fcntl.h>
-#include <stdio.h>
 #include <string.h>
+#include <fcntl.h>
 #include <sys/stat.h>
+#include <io.h>
 
 int mkstemp(char *template)
 {
 		if (_mktemp_s(template, strlen(template) + 1) != 0)
 				return -1;
-		return open(template, _O_CREAT | _O_EXCL | _O_RDWR, _S_IWRITE | _S_IREAD);
+		return _open(template, _O_CREAT | _O_EXCL | _O_RDWR, _S_IWRITE | _S_IREAD);
 }
diff --git a/src/gldns/parse.c b/src/gldns/parse.c
index 367fa80f3..c107c0df9 100644
--- a/src/gldns/parse.c
+++ b/src/gldns/parse.c
@@ -13,7 +13,7 @@
 #include "gldns/gbuffer.h"
 
 #include <limits.h>
-#include <strings.h>
+#include <string.h>
 
 gldns_lookup_table gldns_directive_types[] = {
         { GLDNS_DIR_TTL, "$TTL" },
diff --git a/src/gldns/parseutil.c b/src/gldns/parseutil.c
index 293496a90..1e4367898 100644
--- a/src/gldns/parseutil.c
+++ b/src/gldns/parseutil.c
@@ -14,7 +14,9 @@
 
 #include "config.h"
 #include "gldns/parseutil.h"
+#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
+#endif
 #include <time.h>
 #include <ctype.h>
 
diff --git a/src/stub.c b/src/stub.c
index ee3193126..ab393885d 100644
--- a/src/stub.c
+++ b/src/stub.c
@@ -903,8 +903,13 @@ stub_tcp_write(int fd, getdns_tcp_state *tcp, getdns_network_req *netreq)
 			   just fall back to a 'normal' write. */
 			if (written == -1
 			&&  _getdns_socketerror() == _getdns_EISCONN) 
+#ifdef USE_WINSOCK
+				written = send(fd, (const char *)(netreq->query - 2)
+				                 , pkt_len + 2, 0);
+#else
 				written = write(fd, netreq->query - 2
 				                  , pkt_len + 2);
+#endif
 		} else
 			written = send(fd, (const char *)(netreq->query - 2)
 			                 , pkt_len + 2, 0);