5 files changed, 60 insertions, 1 deletions
diff --git a/drivers/unix/dir_access_unix.cpp b/drivers/unix/dir_access_unix.cpp
index fff86c5a7e..452d791d96 100644
--- a/drivers/unix/dir_access_unix.cpp
+++ b/drivers/unix/dir_access_unix.cpp
@@ -81,6 +81,26 @@ bool DirAccessUnix::file_exists(String p_file) {
 
 }
 
+bool DirAccessUnix::dir_exists(String p_dir) {
+
+	GLOBAL_LOCK_FUNCTION
+
+
+	if (p_dir.is_rel_path())
+		p_dir=current_dir+"/"+p_dir;
+	else
+		p_dir=fix_path(p_dir);
+
+	struct stat flags;
+	bool success = 	(stat(p_dir.utf8().get_data(),&flags)==0);
+
+	if (success && S_ISDIR(flags.st_mode))
+		return true;
+
+	return false;
+
+}
+
 uint64_t DirAccessUnix::get_modified_time(String p_file) {
 
 	if (p_file.is_rel_path())
diff --git a/drivers/unix/dir_access_unix.h b/drivers/unix/dir_access_unix.h
index 7ede4fc31c..119cb5c3f4 100644
--- a/drivers/unix/dir_access_unix.h
+++ b/drivers/unix/dir_access_unix.h
@@ -66,7 +66,9 @@ public:
 	virtual String get_current_dir(); ///< return current dir location
 	virtual Error make_dir(String p_dir);
 	
-	virtual bool file_exists(String p_file);	
+	virtual bool file_exists(String p_file);
+	virtual bool dir_exists(String p_dir);
+
 	virtual uint64_t get_modified_time(String p_file);
 
 
diff --git a/drivers/unix/tcp_server_posix.cpp b/drivers/unix/tcp_server_posix.cpp
index f91ad36ef9..dfcf479fc0 100644
--- a/drivers/unix/tcp_server_posix.cpp
+++ b/drivers/unix/tcp_server_posix.cpp
@@ -93,6 +93,9 @@ Error TCPServerPosix::listen(uint16_t p_port,const List<String> *p_accepted_host
 			close(sockfd);
 			ERR_FAIL_V(FAILED);
 		};
+	}
+	else {
+		return ERR_ALREADY_IN_USE;
 	};
 
 	if (listen_sockfd != -1) {
diff --git a/drivers/windows/dir_access_windows.cpp b/drivers/windows/dir_access_windows.cpp
index 30f6ff6d8c..aacd02ca24 100644
--- a/drivers/windows/dir_access_windows.cpp
+++ b/drivers/windows/dir_access_windows.cpp
@@ -303,6 +303,39 @@ bool DirAccessWindows::file_exists(String p_file) {
 	return false;
 }
 
+bool DirAccessWindows::dir_exists(String p_dir) {
+
+	GLOBAL_LOCK_FUNCTION
+
+		if (!p_dir.is_abs_path())
+			p_dir=get_current_dir()+"/"+p_dir;
+	p_dir=fix_path(p_dir);
+
+	p_dir.replace("/","\\");
+
+	if (unicode) {
+
+		DWORD       fileAttr;
+
+		fileAttr = GetFileAttributesW(p_dir.c_str());
+		if (0xFFFFFFFF == fileAttr)
+			return false;
+
+		return (fileAttr&FILE_ATTRIBUTE_DIRECTORY);
+
+	} else {
+		DWORD       fileAttr;
+
+		fileAttr = GetFileAttributesA(p_dir.ascii().get_data());
+		if (0xFFFFFFFF == fileAttr)
+			return false;
+		return (fileAttr&FILE_ATTRIBUTE_DIRECTORY);
+
+	}
+
+	return false;
+}
+
 Error DirAccessWindows::rename(String p_path,String p_new_path) {
 
 	p_path=fix_path(p_path);
diff --git a/drivers/windows/dir_access_windows.h b/drivers/windows/dir_access_windows.h
index 926497c583..36530ba9b3 100644
--- a/drivers/windows/dir_access_windows.h
+++ b/drivers/windows/dir_access_windows.h
@@ -74,6 +74,7 @@ public:
 
 
 	virtual bool file_exists(String p_file);
+	virtual bool dir_exists(String p_dir);
 
 	virtual Error make_dir(String p_dir);