Add OS::get_cwd virtual

Author: L2750558108

core/os/os.cpp

@@ -327,6 +327,10 @@ Error OS::set_cwd(const String &p_cwd) {
 	return ERR_CANT_OPEN;
 }
 
+String OS::get_cwd() const {
+	return get_executable_path();
+}
+
 Dictionary OS::get_memory_info() const {
 	Dictionary meminfo;
 

core/os/os.h

@@ -179,6 +179,7 @@ class OS {
 	virtual Error shell_open(String p_uri);
 	virtual Error shell_show_in_file_manager(String p_path, bool p_open_folder = true);
 	virtual Error set_cwd(const String &p_cwd);
+	virtual String get_cwd() const;
 
 	virtual bool has_environment(const String &p_var) const = 0;
 	virtual String get_environment(const String &p_var) const = 0;

drivers/unix/os_unix.cpp

@@ -700,6 +700,17 @@ Error OS_Unix::set_cwd(const String &p_cwd) {
 	return OK;
 }
 
+String OS_Unix::get_cwd() const {
+	String cwd;
+	char ret[PATH_MAX];
+	char *temp = getcwd(ret, PATH_MAX);
+	ERR_FAIL_NULL_V(temp, "");
+	if (cwd.parse_utf8(ret) != OK) {
+		cwd = ret; // No utf8, maybe latin1?
+	}
+	return cwd;
+}
+
 bool OS_Unix::has_environment(const String &p_var) const {
 	return getenv(p_var.utf8().get_data()) != nullptr;
 }

drivers/unix/os_unix.h

@@ -60,6 +60,7 @@ class OS_Unix : public OS {
 	virtual Error get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional = false) override;
 
 	virtual Error set_cwd(const String &p_cwd) override;
+	virtual String get_cwd() const override;
 
 	virtual String get_name() const override;
 	virtual String get_distribution_name() const override;

platform/windows/os_windows.cpp

@@ -914,6 +914,13 @@ Error OS_Windows::set_cwd(const String &p_cwd) {
 	return OK;
 }
 
+String OS_Windows::get_cwd() const {
+	WCHAR ret[2048];
+	GetCurrentDirectoryW(2048, ret);
+	String cwd = String::utf16((const char16_t *)ret);
+	return cwd;
+}
+
 Vector<String> OS_Windows::get_system_fonts() const {
 	if (!dwrite_init) {
 		return Vector<String>();

platform/windows/os_windows.h

@@ -181,6 +181,7 @@ class OS_Windows : public OS {
 	virtual double get_unix_time() const override;
 
 	virtual Error set_cwd(const String &p_cwd) override;
+	virtual String get_cwd() const override;
 
 	virtual void delay_usec(uint32_t p_usec) const override;
 	virtual uint64_t get_ticks_usec() const override;