3 files changed, 17 insertions, 17 deletions

diff --git a/core/os/dir_access.h b/core/os/dir_access.h
index 7f0bcd372d..ec738d30d5 100644
--- a/core/os/dir_access.h
+++ b/core/os/dir_access.h
@@ -87,7 +87,7 @@ public:
 	virtual bool is_readable(String p_dir) { return true; };
 	virtual bool is_writable(String p_dir) { return true; };
 	static bool exists(String p_dir);
-	virtual size_t get_space_left() = 0;
+	virtual uint64_t get_space_left() = 0;
 
 	Error copy_dir(String p_from, String p_to, int p_chmod_flags = -1);
 	virtual Error copy(String p_from, String p_to, int p_chmod_flags = -1);
diff --git a/core/os/file_access.cpp b/core/os/file_access.cpp
index ad234c2d49..d00d0ac5bb 100644
--- a/core/os/file_access.cpp
+++ b/core/os/file_access.cpp
@@ -367,10 +367,10 @@ Vector<String> FileAccess::get_csv_line(const String &p_delim) const {
 	return strings;
 }
 
-int FileAccess::get_buffer(uint8_t *p_dst, int p_length) const {
+uint64_t FileAccess::get_buffer(uint8_t *p_dst, uint64_t p_length) const {
 	ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
-	ERR_FAIL_COND_V(p_length < 0, -1);
-	int i = 0;
+
+	uint64_t i = 0;
 	for (i = 0; i < p_length && !eof_reached(); i++) {
 		p_dst[i] = get_8();
 	}
@@ -380,11 +380,11 @@ int FileAccess::get_buffer(uint8_t *p_dst, int p_length) const {
 
 String FileAccess::get_as_utf8_string() const {
 	Vector<uint8_t> sourcef;
-	int len = get_len();
+	uint64_t len = get_len();
 	sourcef.resize(len + 1);
 
 	uint8_t *w = sourcef.ptrw();
-	int r = get_buffer(w, len);
+	uint64_t r = get_buffer(w, len);
 	ERR_FAIL_COND_V(r != len, String());
 	w[len] = 0;
 
@@ -550,8 +550,8 @@ void FileAccess::store_csv_line(const Vector<String> &p_values, const String &p_
 	store_line(line);
 }
 
-void FileAccess::store_buffer(const uint8_t *p_src, int p_length) {
-	for (int i = 0; i < p_length; i++) {
+void FileAccess::store_buffer(const uint8_t *p_src, uint64_t p_length) {
+	for (uint64_t i = 0; i < p_length; i++) {
 		store_8(p_src[i]);
 	}
 }
@@ -601,7 +601,7 @@ String FileAccess::get_md5(const String &p_file) {
 	unsigned char step[32768];
 
 	while (true) {
-		int br = f->get_buffer(step, 32768);
+		uint64_t br = f->get_buffer(step, 32768);
 		if (br > 0) {
 			ctx.update(step, br);
 		}
@@ -629,7 +629,7 @@ String FileAccess::get_multiple_md5(const Vector<String> &p_file) {
 		unsigned char step[32768];
 
 		while (true) {
-			int br = f->get_buffer(step, 32768);
+			uint64_t br = f->get_buffer(step, 32768);
 			if (br > 0) {
 				ctx.update(step, br);
 			}
@@ -658,7 +658,7 @@ String FileAccess::get_sha256(const String &p_file) {
 	unsigned char step[32768];
 
 	while (true) {
-		int br = f->get_buffer(step, 32768);
+		uint64_t br = f->get_buffer(step, 32768);
 		if (br > 0) {
 			ctx.update(step, br);
 		}
diff --git a/core/os/file_access.h b/core/os/file_access.h
index 1c78204c1d..f9749c0fd1 100644
--- a/core/os/file_access.h
+++ b/core/os/file_access.h
@@ -93,10 +93,10 @@ public:
 	virtual String get_path() const { return ""; } /// returns the path for the current open file
 	virtual String get_path_absolute() const { return ""; } /// returns the absolute path for the current open file
 
-	virtual void seek(size_t p_position) = 0; ///< seek to a given position
-	virtual void seek_end(int64_t p_position = 0) = 0; ///< seek from the end of file
-	virtual size_t get_position() const = 0; ///< get position in the file
-	virtual size_t get_len() const = 0; ///< get size of the file
+	virtual void seek(uint64_t p_position) = 0; ///< seek to a given position
+	virtual void seek_end(int64_t p_position = 0) = 0; ///< seek from the end of file with negative offset
+	virtual uint64_t get_position() const = 0; ///< get position in the file
+	virtual uint64_t get_len() const = 0; ///< get size of the file
 
 	virtual bool eof_reached() const = 0; ///< reading passed EOF
 
@@ -109,7 +109,7 @@ public:
 	virtual double get_double() const;
 	virtual real_t get_real() const;
 
-	virtual int get_buffer(uint8_t *p_dst, int p_length) const; ///< get an array of bytes
+	virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const; ///< get an array of bytes
 	virtual String get_line() const;
 	virtual String get_token() const;
 	virtual Vector<String> get_csv_line(const String &p_delim = ",") const;
@@ -142,7 +142,7 @@ public:
 	virtual void store_pascal_string(const String &p_string);
 	virtual String get_pascal_string();
 
-	virtual void store_buffer(const uint8_t *p_src, int p_length); ///< store an array of bytes
+	virtual void store_buffer(const uint8_t *p_src, uint64_t p_length); ///< store an array of bytes
 
 	virtual bool file_exists(const String &p_name) = 0; ///< return true if a file exists