Make sure tinc compiles on Windows.

src/meta.c

@@ -39,7 +39,7 @@ bool send_meta_sptps(void *handle, const char *buffer, size_t length) {
 		abort();
 	}
 
-	logger(DEBUG_META, LOG_DEBUG, "send_meta_sptps(%s, %p, %zu)", c->name, buffer, length);
+	logger(DEBUG_META, LOG_DEBUG, "send_meta_sptps(%s, %p, %d)", c->name, buffer, (int)length);
 
 	buffer_add(&c->outbuf, buffer, length);
 	event_add(&c->outevent, NULL);

src/net_packet.c

@@ -390,8 +390,8 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 	size_t outlen;
 #if defined(SOL_IP) && defined(IP_TOS)
 	static int priority = 0;
-	int origpriority = origpkt->priority;
 #endif
+	int origpriority = origpkt->priority;
 
 	if(!n->status.reachable) {
 		logger(DEBUG_TRAFFIC, LOG_INFO, "Trying to send UDP packet to unreachable node %s (%s)", n->name, n->hostname);

src/protocol_key.c

@@ -193,11 +193,11 @@ bool send_ans_key_ecdh(node_t *to) {
 
 	b64encode(key, key, ECDH_SIZE + siglen);
 
-	int result = send_request(to->nexthop->connection, "%d %s %s %s %d %d %zu %d", ANS_KEY,
+	int result = send_request(to->nexthop->connection, "%d %s %s %s %d %d %d %d", ANS_KEY,
 						myself->name, to->name, key,
 						cipher_get_nid(&myself->incipher),
 						digest_get_nid(&myself->indigest),
-						digest_length(&myself->indigest),
+						(int)digest_length(&myself->indigest),
 						myself->incompression);
 
 	return result;
@@ -225,11 +225,11 @@ bool send_ans_key(node_t *to) {
 	to->received_seqno = 0;
 	if(replaywin) memset(to->late, 0, replaywin);
 
-	return send_request(to->nexthop->connection, "%d %s %s %s %d %d %zu %d", ANS_KEY,
+	return send_request(to->nexthop->connection, "%d %s %s %s %d %d %d %d", ANS_KEY,
 						myself->name, to->name, key,
 						cipher_get_nid(&to->incipher),
 						digest_get_nid(&to->indigest),
-						digest_length(&to->indigest),
+						(int)digest_length(&to->indigest),
 						to->incompression);
 }
 

src/sptps_test.c

@@ -18,7 +18,6 @@
 */
 
 #include "system.h"
-#include "poll.h"
 
 #include "crypto.h"
 #include "ecdsa.h"
@@ -36,7 +35,7 @@ ecdsa_t mykey, hiskey;
 static bool send_data(void *handle, const char *data, size_t len) {
 	char hex[len * 2 + 1];
 	bin2hex(data, hex, len);
-	fprintf(stderr, "Sending %zu bytes of data:\n%s\n", len, hex);
+	fprintf(stderr, "Sending %d bytes of data:\n%s\n", (int)len, hex);
 	const int *sock = handle;
 	if(send(*sock, data, len, 0) != len)
 		return false;
@@ -67,6 +66,12 @@ int main(int argc, char *argv[]) {
 	if(argc > 4)
 		initiator = true;
 
+#ifdef HAVE_MINGW
+	static struct WSAData wsa_state;
+	if(WSAStartup(MAKEWORD(2, 2), &wsa_state))
+		return 1;
+#endif
+
 	struct addrinfo *ai, hint;
 	memset(&hint, 0, sizeof hint);
 
@@ -136,15 +141,16 @@ int main(int argc, char *argv[]) {
 	while(true) {
 		char buf[65535] = "";
 
-		struct pollfd fds[2];
-		fds[0].fd = 0;
-		fds[0].events = POLLIN;
-		fds[1].fd = sock;
-		fds[1].events = POLLIN;
-		if(poll(fds, 2, -1) < 0)
+		fd_set fds;
+		FD_ZERO(&fds);
+#ifndef HAVE_MINGW
+		FD_SET(0, &fds);
+#endif
+		FD_SET(sock, &fds);
+		if(select(sock + 1, &fds, NULL, NULL, NULL) <= 0)
 			return 1;
 
-		if(fds[0].revents) {
+		if(FD_ISSET(0, &fds)) {
 			ssize_t len = read(0, buf, sizeof buf);
 			if(len < 0) {
 				fprintf(stderr, "Could not read from stdin: %s\n", strerror(errno));
@@ -163,7 +169,7 @@ int main(int argc, char *argv[]) {
 				return 1;
 		}
 
-		if(fds[1].revents) {
+		if(FD_ISSET(sock, &fds)) {
 			ssize_t len = recv(sock, buf, sizeof buf, 0);
 			if(len < 0) {
 				fprintf(stderr, "Could not read from socket: %s\n", strerror(errno));
@@ -175,7 +181,7 @@ int main(int argc, char *argv[]) {
 			}
 			char hex[len * 2 + 1];
 			bin2hex(buf, hex, len);
-			fprintf(stderr, "Received %zd bytes of data:\n%s\n", len, hex);
+			fprintf(stderr, "Received %d bytes of data:\n%s\n", (int)len, hex);
 			if(!sptps_receive_data(&s, buf, len))
 				return 1;
 		}

src/tincctl.c

@@ -31,6 +31,10 @@
 #include "tincctl.h"
 #include "top.h"
 
+#ifdef HAVE_MINGW
+#define mkdir(a, b) mkdir(a)
+#endif
+
 /* The name this program was run with. */
 static char *program_name = NULL;
 
@@ -1354,7 +1358,7 @@ static int cmd_edit(int argc, char *argv[]) {
 #ifndef HAVE_MINGW
 	char *editor = getenv("VISUAL") ?: getenv("EDITOR") ?: "vi";
 #else
-	char *editor = "edit"
+	char *editor = "edit";
 #endif
 
 	char *command;