Zero initialize all pointer class and struct members

This prevents the pitfall of UB when checking if they have been
assigned something valid by comparing to nullptr.

6 files changed, 8 insertions, 8 deletions

diff --git a/core/io/file_access.h b/core/io/file_access.h
index a6cb5d9fc6..a5150010da 100644
--- a/core/io/file_access.h
+++ b/core/io/file_access.h
@@ -183,7 +183,7 @@ struct FileAccessRef {
 
 	operator bool() const { return f != nullptr; }
 
-	FileAccess *f;
+	FileAccess *f = nullptr;
 
 	operator FileAccess *() { return f; }
 
diff --git a/core/io/file_access_pack.h b/core/io/file_access_pack.h
index 6eee2f593d..fe4b12aef6 100644
--- a/core/io/file_access_pack.h
+++ b/core/io/file_access_pack.h
@@ -64,7 +64,7 @@ public:
 		uint64_t offset; //if offset is ZERO, the file was ERASED
 		uint64_t size;
 		uint8_t md5[16];
-		PackSource *src;
+		PackSource *src = nullptr;
 		bool encrypted;
 	};
 
@@ -103,7 +103,7 @@ private:
 
 	Vector<PackSource *> sources;
 
-	PackedDir *root;
+	PackedDir *root = nullptr;
 
 	static PackedData *singleton;
 	bool disabled = false;
@@ -150,7 +150,7 @@ class FileAccessPack : public FileAccess {
 	mutable bool eof;
 	uint64_t off;
 
-	FileAccess *f;
+	FileAccess *f = nullptr;
 	virtual Error _open(const String &p_path, int p_mode_flags);
 	virtual uint64_t _get_modified_time(const String &p_file) { return 0; }
 	virtual uint32_t _get_unix_permissions(const String &p_file) { return 0; }
diff --git a/core/io/ip.h b/core/io/ip.h
index ebd944a949..06ff8a4d70 100644
--- a/core/io/ip.h
+++ b/core/io/ip.h
@@ -62,7 +62,7 @@ public:
 	typedef int ResolverID;
 
 private:
-	_IP_ResolverPrivate *resolver;
+	_IP_ResolverPrivate *resolver = nullptr;
 
 protected:
 	static IP *singleton;
diff --git a/core/io/resource_format_binary.h b/core/io/resource_format_binary.h
index c80c9b0ac9..5403168a53 100644
--- a/core/io/resource_format_binary.h
+++ b/core/io/resource_format_binary.h
@@ -127,7 +127,7 @@ class ResourceFormatSaverBinaryInstance {
 	bool skip_editor;
 	bool big_endian;
 	bool takeover_paths;
-	FileAccess *f;
+	FileAccess *f = nullptr;
 	String magic;
 	Set<RES> resource_set;
 
diff --git a/core/io/resource_uid.h b/core/io/resource_uid.h
index 1ea44b9d06..0b7ffdf6d0 100644
--- a/core/io/resource_uid.h
+++ b/core/io/resource_uid.h
@@ -46,7 +46,7 @@ public:
 	static String get_cache_file();
 
 private:
-	void *crypto; // CryptoCore::RandomGenerator (avoid including crypto_core.h)
+	void *crypto = nullptr; // CryptoCore::RandomGenerator (avoid including crypto_core.h)
 	Mutex mutex;
 	struct Cache {
 		CharString cs;
diff --git a/core/io/udp_server.h b/core/io/udp_server.h
index 4a7546fddf..47f06b2490 100644
--- a/core/io/udp_server.h
+++ b/core/io/udp_server.h
@@ -43,7 +43,7 @@ protected:
 	};
 
 	struct Peer {
-		PacketPeerUDP *peer;
+		PacketPeerUDP *peer = nullptr;
 		IPAddress ip;
 		uint16_t port = 0;