fs: Added a recursive create_dir function

Author: jounathaen

src/fs/mod.rs

@@ -402,6 +402,19 @@ pub fn create_dir(path: &str, mode: AccessPermission) -> io::Result<()> {
 	})
 }
 
+/// Creates a directory and creates all missing parent directories as well.
+fn create_dir_recursive(path: &str, mode: AccessPermission) -> io::Result<()> {
+	trace!("create_dir_recursive: {path}");
+	create_dir(path, mode).or_else(|errno| {
+		if errno != Errno::Badf {
+			return Err(errno);
+		}
+		let parent_path = &path[0..path.rfind('/').unwrap()];
+		create_dir_recursive(parent_path, mode)?;
+		create_dir(path, mode)
+	})
+}
+
 /// Returns an vector with all the entries within a directory.
 pub fn readdir(name: &str) -> io::Result<Vec<DirectoryEntry>> {
 	debug!("Read directory {name}");