Fix -Wsign-compare warnings.

I decided to modify code in a defensive way. Ideally functions
like size() or length() should return an unsigned type.

2 files changed, 6 insertions, 6 deletions

diff --git a/modules/websocket/packet_buffer.h b/modules/websocket/packet_buffer.h
index 5794288c2b..47786a87a6 100644
--- a/modules/websocket/packet_buffer.h
+++ b/modules/websocket/packet_buffer.h
@@ -50,7 +50,7 @@ public:
 	Error write_packet(const uint8_t *p_payload, uint32_t p_size, const T *p_info) {
 #ifdef TOOLS_ENABLED
 		// Verbose buffer warnings
-		if (p_payload && _payload.space_left() < p_size) {
+		if (p_payload && _payload.space_left() < (int32_t)p_size) {
 			ERR_PRINT("Buffer payload full! Dropping data.");
 			ERR_FAIL_V(ERR_OUT_OF_MEMORY);
 		}
@@ -83,8 +83,8 @@ public:
 		ERR_FAIL_COND_V(_packets.data_left() < 1, ERR_UNAVAILABLE);
 		_Packet p;
 		_packets.read(&p, 1);
-		ERR_FAIL_COND_V(_payload.data_left() < p.size, ERR_BUG);
-		ERR_FAIL_COND_V(p_bytes < p.size, ERR_OUT_OF_MEMORY);
+		ERR_FAIL_COND_V(_payload.data_left() < (int)p.size, ERR_BUG);
+		ERR_FAIL_COND_V(p_bytes < (int)p.size, ERR_OUT_OF_MEMORY);
 
 		r_read = p.size;
 		copymem(r_info, &p.info, sizeof(T));
diff --git a/modules/websocket/websocket_multiplayer_peer.cpp b/modules/websocket/websocket_multiplayer_peer.cpp
index a48738b6a4..6aab8a7e81 100644
--- a/modules/websocket/websocket_multiplayer_peer.cpp
+++ b/modules/websocket/websocket_multiplayer_peer.cpp
@@ -213,7 +213,7 @@ void WebSocketMultiplayerPeer::_send_add(int32_t p_peer_id) {
 	_send_sys(get_peer(p_peer_id), SYS_ADD, 1);
 
 	for (Map<int, Ref<WebSocketPeer> >::Element *E = _peer_map.front(); E; E = E->next()) {
-		uint32_t id = E->key();
+		int32_t id = E->key();
 		if (p_peer_id == id)
 			continue; // Skip the newwly added peer (already confirmed)
 
@@ -226,7 +226,7 @@ void WebSocketMultiplayerPeer::_send_add(int32_t p_peer_id) {
 
 void WebSocketMultiplayerPeer::_send_del(int32_t p_peer_id) {
 	for (Map<int, Ref<WebSocketPeer> >::Element *E = _peer_map.front(); E; E = E->next()) {
-		uint32_t id = E->key();
+		int32_t id = E->key();
 		if (p_peer_id != id)
 			_send_sys(get_peer(id), SYS_DEL, p_peer_id);
 	}
@@ -288,7 +288,7 @@ void WebSocketMultiplayerPeer::_process_multiplayer(Ref<WebSocketPeer> p_peer, u
 	data_size = size - PROTO_SIZE;
 
 	uint8_t type = 0;
-	int32_t from = 0;
+	uint32_t from = 0;
 	int32_t to = 0;
 	copymem(&type, in_buffer, 1);
 	copymem(&from, &in_buffer[1], 4);