Replace NULL with nullptr

6 files changed, 38 insertions, 38 deletions

diff --git a/modules/mbedtls/crypto_mbedtls.cpp b/modules/mbedtls/crypto_mbedtls.cpp
index c8a8240a19..a47a4503a5 100644
--- a/modules/mbedtls/crypto_mbedtls.cpp
+++ b/modules/mbedtls/crypto_mbedtls.cpp
@@ -66,7 +66,7 @@ Error CryptoKeyMbedTLS::load(String p_path) {
 	}
 	memdelete(f);
 
-	int ret = mbedtls_pk_parse_key(&pkey, out.ptr(), out.size(), NULL, 0);
+	int ret = mbedtls_pk_parse_key(&pkey, out.ptr(), out.size(), nullptr, 0);
 	// We MUST zeroize the memory for safety!
 	mbedtls_platform_zeroize(out.ptrw(), out.size());
 	ERR_FAIL_COND_V_MSG(ret, FAILED, "Error parsing private key '" + itos(ret) + "'.");
@@ -167,11 +167,11 @@ void CryptoMbedTLS::initialize_crypto() {
 }
 
 void CryptoMbedTLS::finalize_crypto() {
-	Crypto::_create = NULL;
-	Crypto::_load_default_certificates = NULL;
+	Crypto::_create = nullptr;
+	Crypto::_load_default_certificates = nullptr;
 	if (default_certs) {
 		memdelete(default_certs);
-		default_certs = NULL;
+		default_certs = nullptr;
 	}
 	X509CertificateMbedTLS::finalize();
 	CryptoKeyMbedTLS::finalize();
@@ -180,7 +180,7 @@ void CryptoMbedTLS::finalize_crypto() {
 CryptoMbedTLS::CryptoMbedTLS() {
 	mbedtls_ctr_drbg_init(&ctr_drbg);
 	mbedtls_entropy_init(&entropy);
-	int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0);
+	int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, nullptr, 0);
 	if (ret != 0) {
 		ERR_PRINT(" failed\n  ! mbedtls_ctr_drbg_seed returned an error" + itos(ret));
 	}
@@ -191,17 +191,17 @@ CryptoMbedTLS::~CryptoMbedTLS() {
 	mbedtls_entropy_free(&entropy);
 }
 
-X509CertificateMbedTLS *CryptoMbedTLS::default_certs = NULL;
+X509CertificateMbedTLS *CryptoMbedTLS::default_certs = nullptr;
 
 X509CertificateMbedTLS *CryptoMbedTLS::get_default_certificates() {
 	return default_certs;
 }
 
 void CryptoMbedTLS::load_default_certificates(String p_path) {
-	ERR_FAIL_COND(default_certs != NULL);
+	ERR_FAIL_COND(default_certs != nullptr);
 
 	default_certs = memnew(X509CertificateMbedTLS);
-	ERR_FAIL_COND(default_certs == NULL);
+	ERR_FAIL_COND(default_certs == nullptr);
 
 	if (p_path != "") {
 		// Use certs defined in project settings.
@@ -227,15 +227,15 @@ Ref<CryptoKey> CryptoMbedTLS::generate_rsa(int p_bytes) {
 	Ref<CryptoKeyMbedTLS> out;
 	out.instance();
 	int ret = mbedtls_pk_setup(&(out->pkey), mbedtls_pk_info_from_type(MBEDTLS_PK_RSA));
-	ERR_FAIL_COND_V(ret != 0, NULL);
+	ERR_FAIL_COND_V(ret != 0, nullptr);
 	ret = mbedtls_rsa_gen_key(mbedtls_pk_rsa(out->pkey), mbedtls_ctr_drbg_random, &ctr_drbg, p_bytes, 65537);
-	ERR_FAIL_COND_V(ret != 0, NULL);
+	ERR_FAIL_COND_V(ret != 0, nullptr);
 	return out;
 }
 
 Ref<X509Certificate> CryptoMbedTLS::generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) {
 	Ref<CryptoKeyMbedTLS> key = static_cast<Ref<CryptoKeyMbedTLS>>(p_key);
-	ERR_FAIL_COND_V_MSG(key.is_null(), NULL, "Invalid private key argument.");
+	ERR_FAIL_COND_V_MSG(key.is_null(), nullptr, "Invalid private key argument.");
 	mbedtls_x509write_cert crt;
 	mbedtls_x509write_crt_init(&crt);
 
@@ -250,7 +250,7 @@ Ref<X509Certificate> CryptoMbedTLS::generate_self_signed_certificate(Ref<CryptoK
 	mbedtls_mpi_init(&serial);
 	uint8_t rand_serial[20];
 	mbedtls_ctr_drbg_random(&ctr_drbg, rand_serial, 20);
-	ERR_FAIL_COND_V(mbedtls_mpi_read_binary(&serial, rand_serial, 20), NULL);
+	ERR_FAIL_COND_V(mbedtls_mpi_read_binary(&serial, rand_serial, 20), nullptr);
 	mbedtls_x509write_crt_set_serial(&crt, &serial);
 
 	mbedtls_x509write_crt_set_validity(&crt, p_not_before.utf8().get_data(), p_not_after.utf8().get_data());
@@ -268,7 +268,7 @@ Ref<X509Certificate> CryptoMbedTLS::generate_self_signed_certificate(Ref<CryptoK
 		mbedtls_mpi_free(&serial);
 		mbedtls_x509write_crt_free(&crt);
 		ERR_PRINT("Generated invalid certificate: " + itos(err));
-		return NULL;
+		return nullptr;
 	}
 
 	mbedtls_mpi_free(&serial);
diff --git a/modules/mbedtls/crypto_mbedtls.h b/modules/mbedtls/crypto_mbedtls.h
index 6c1c0e255d..db3d00a5e3 100644
--- a/modules/mbedtls/crypto_mbedtls.h
+++ b/modules/mbedtls/crypto_mbedtls.h
@@ -49,7 +49,7 @@ private:
 public:
 	static CryptoKey *create();
 	static void make_default() { CryptoKey::_create = create; }
-	static void finalize() { CryptoKey::_create = NULL; }
+	static void finalize() { CryptoKey::_create = nullptr; }
 
 	virtual Error load(String p_path);
 	virtual Error save(String p_path);
@@ -78,7 +78,7 @@ private:
 public:
 	static X509Certificate *create();
 	static void make_default() { X509Certificate::_create = create; }
-	static void finalize() { X509Certificate::_create = NULL; }
+	static void finalize() { X509Certificate::_create = nullptr; }
 
 	virtual Error load(String p_path);
 	virtual Error load_from_memory(const uint8_t *p_buffer, int p_len);
diff --git a/modules/mbedtls/dtls_server_mbedtls.cpp b/modules/mbedtls/dtls_server_mbedtls.cpp
index 215b511758..f31f067f4e 100644
--- a/modules/mbedtls/dtls_server_mbedtls.cpp
+++ b/modules/mbedtls/dtls_server_mbedtls.cpp
@@ -65,7 +65,7 @@ void DTLSServerMbedTLS::initialize() {
 }
 
 void DTLSServerMbedTLS::finalize() {
-	_create = NULL;
+	_create = nullptr;
 	available = false;
 }
 
diff --git a/modules/mbedtls/packet_peer_mbed_dtls.cpp b/modules/mbedtls/packet_peer_mbed_dtls.cpp
index bdf36ad1b1..b2aa5f5827 100755
--- a/modules/mbedtls/packet_peer_mbed_dtls.cpp
+++ b/modules/mbedtls/packet_peer_mbed_dtls.cpp
@@ -36,11 +36,11 @@
 
 int PacketPeerMbedDTLS::bio_send(void *ctx, const unsigned char *buf, size_t len) {
 
-	if (buf == NULL || len <= 0) return 0;
+	if (buf == nullptr || len <= 0) return 0;
 
 	PacketPeerMbedDTLS *sp = (PacketPeerMbedDTLS *)ctx;
 
-	ERR_FAIL_COND_V(sp == NULL, 0);
+	ERR_FAIL_COND_V(sp == nullptr, 0);
 
 	Error err = sp->base->put_packet((const uint8_t *)buf, len);
 	if (err == ERR_BUSY) {
@@ -53,11 +53,11 @@ int PacketPeerMbedDTLS::bio_send(void *ctx, const unsigned char *buf, size_t len
 
 int PacketPeerMbedDTLS::bio_recv(void *ctx, unsigned char *buf, size_t len) {
 
-	if (buf == NULL || len <= 0) return 0;
+	if (buf == nullptr || len <= 0) return 0;
 
 	PacketPeerMbedDTLS *sp = (PacketPeerMbedDTLS *)ctx;
 
-	ERR_FAIL_COND_V(sp == NULL, 0);
+	ERR_FAIL_COND_V(sp == nullptr, 0);
 
 	int pc = sp->base->get_available_packet_count();
 	if (pc == 0) {
@@ -125,7 +125,7 @@ Error PacketPeerMbedDTLS::connect_to_peer(Ref<PacketPeerUDP> p_base, bool p_vali
 	ERR_FAIL_COND_V(err != OK, err);
 
 	mbedtls_ssl_set_hostname(ssl_ctx->get_context(), p_for_hostname.utf8().get_data());
-	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, NULL);
+	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, nullptr);
 	mbedtls_ssl_set_timer_cb(ssl_ctx->get_context(), &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay);
 
 	status = STATUS_HANDSHAKING;
@@ -154,7 +154,7 @@ Error PacketPeerMbedDTLS::accept_peer(Ref<PacketPeerUDP> p_base, Ref<CryptoKey>
 		ERR_FAIL_V_MSG(FAILED, "Error setting DTLS client cookie");
 	}
 
-	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, NULL);
+	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, nullptr);
 	mbedtls_ssl_set_timer_cb(ssl_ctx->get_context(), &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay);
 
 	status = STATUS_HANDSHAKING;
@@ -223,7 +223,7 @@ void PacketPeerMbedDTLS::poll() {
 
 	ERR_FAIL_COND(!base.is_valid());
 
-	int ret = mbedtls_ssl_read(ssl_ctx->get_context(), NULL, 0);
+	int ret = mbedtls_ssl_read(ssl_ctx->get_context(), nullptr, 0);
 
 	if (ret < 0 && ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
 		if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
@@ -292,6 +292,6 @@ void PacketPeerMbedDTLS::initialize_dtls() {
 }
 
 void PacketPeerMbedDTLS::finalize_dtls() {
-	_create = NULL;
+	_create = nullptr;
 	available = false;
 }
diff --git a/modules/mbedtls/ssl_context_mbedtls.cpp b/modules/mbedtls/ssl_context_mbedtls.cpp
index 52630bd98c..1ffb9bda05 100644
--- a/modules/mbedtls/ssl_context_mbedtls.cpp
+++ b/modules/mbedtls/ssl_context_mbedtls.cpp
@@ -53,7 +53,7 @@ Error CookieContextMbedTLS::setup() {
 	mbedtls_ssl_cookie_init(&cookie_ctx);
 	inited = true;
 
-	int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0);
+	int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, nullptr, 0);
 	if (ret != 0) {
 		clear(); // Never leave unusable resources around.
 		ERR_FAIL_V_MSG(FAILED, "mbedtls_ctr_drbg_seed returned an error " + itos(ret));
@@ -94,7 +94,7 @@ Error SSLContextMbedTLS::_setup(int p_endpoint, int p_transport, int p_authmode)
 	mbedtls_entropy_init(&entropy);
 	inited = true;
 
-	int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0);
+	int ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, nullptr, 0);
 	if (ret != 0) {
 		clear(); // Never leave unusable resources around.
 		ERR_FAIL_V_MSG(FAILED, "mbedtls_ctr_drbg_seed returned an error " + itos(ret));
@@ -134,7 +134,7 @@ Error SSLContextMbedTLS::init_server(int p_transport, int p_authmode, Ref<Crypto
 	}
 	// Adding CA chain if available.
 	if (certs->cert.next) {
-		mbedtls_ssl_conf_ca_chain(&conf, certs->cert.next, NULL);
+		mbedtls_ssl_conf_ca_chain(&conf, certs->cert.next, nullptr);
 	}
 	// DTLS Cookies
 	if (p_transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
@@ -153,7 +153,7 @@ Error SSLContextMbedTLS::init_client(int p_transport, int p_authmode, Ref<X509Ce
 	Error err = _setup(MBEDTLS_SSL_IS_CLIENT, p_transport, p_authmode);
 	ERR_FAIL_COND_V(err != OK, err);
 
-	X509CertificateMbedTLS *cas = NULL;
+	X509CertificateMbedTLS *cas = nullptr;
 
 	if (p_valid_cas.is_valid()) {
 		// Locking CA certificates
@@ -163,14 +163,14 @@ Error SSLContextMbedTLS::init_client(int p_transport, int p_authmode, Ref<X509Ce
 	} else {
 		// Fall back to default certificates (no need to lock those).
 		cas = CryptoMbedTLS::get_default_certificates();
-		if (cas == NULL) {
+		if (cas == nullptr) {
 			clear();
 			ERR_FAIL_V_MSG(ERR_UNCONFIGURED, "SSL module failed to initialize!");
 		}
 	}
 
 	// Set valid CAs
-	mbedtls_ssl_conf_ca_chain(&conf, &(cas->cert), NULL);
+	mbedtls_ssl_conf_ca_chain(&conf, &(cas->cert), nullptr);
 	mbedtls_ssl_setup(&ssl, &conf);
 	return OK;
 }
@@ -195,7 +195,7 @@ void SSLContextMbedTLS::clear() {
 }
 
 mbedtls_ssl_context *SSLContextMbedTLS::get_context() {
-	ERR_FAIL_COND_V(!inited, NULL);
+	ERR_FAIL_COND_V(!inited, nullptr);
 	return &ssl;
 }
 
diff --git a/modules/mbedtls/stream_peer_mbedtls.cpp b/modules/mbedtls/stream_peer_mbedtls.cpp
index 03c5922267..983095c536 100755
--- a/modules/mbedtls/stream_peer_mbedtls.cpp
+++ b/modules/mbedtls/stream_peer_mbedtls.cpp
@@ -35,11 +35,11 @@
 
 int StreamPeerMbedTLS::bio_send(void *ctx, const unsigned char *buf, size_t len) {
 
-	if (buf == NULL || len <= 0) return 0;
+	if (buf == nullptr || len <= 0) return 0;
 
 	StreamPeerMbedTLS *sp = (StreamPeerMbedTLS *)ctx;
 
-	ERR_FAIL_COND_V(sp == NULL, 0);
+	ERR_FAIL_COND_V(sp == nullptr, 0);
 
 	int sent;
 	Error err = sp->base->put_partial_data((const uint8_t *)buf, len, sent);
@@ -54,11 +54,11 @@ int StreamPeerMbedTLS::bio_send(void *ctx, const unsigned char *buf, size_t len)
 
 int StreamPeerMbedTLS::bio_recv(void *ctx, unsigned char *buf, size_t len) {
 
-	if (buf == NULL || len <= 0) return 0;
+	if (buf == nullptr || len <= 0) return 0;
 
 	StreamPeerMbedTLS *sp = (StreamPeerMbedTLS *)ctx;
 
-	ERR_FAIL_COND_V(sp == NULL, 0);
+	ERR_FAIL_COND_V(sp == nullptr, 0);
 
 	int got;
 	Error err = sp->base->get_partial_data((uint8_t *)buf, len, got);
@@ -112,7 +112,7 @@ Error StreamPeerMbedTLS::connect_to_stream(Ref<StreamPeer> p_base, bool p_valida
 	ERR_FAIL_COND_V(err != OK, err);
 
 	mbedtls_ssl_set_hostname(ssl_ctx->get_context(), p_for_hostname.utf8().get_data());
-	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, NULL);
+	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, nullptr);
 
 	status = STATUS_HANDSHAKING;
 
@@ -133,7 +133,7 @@ Error StreamPeerMbedTLS::accept_stream(Ref<StreamPeer> p_base, Ref<CryptoKey> p_
 
 	base = p_base;
 
-	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, NULL);
+	mbedtls_ssl_set_bio(ssl_ctx->get_context(), this, bio_send, bio_recv, nullptr);
 
 	status = STATUS_HANDSHAKING;
 
@@ -320,5 +320,5 @@ void StreamPeerMbedTLS::initialize_ssl() {
 void StreamPeerMbedTLS::finalize_ssl() {
 
 	available = false;
-	_create = NULL;
+	_create = nullptr;
 }