move confy here

libs/confy/src/utils.rs

@@ -0,0 +1,16 @@
+//! Some storage utilities
+
+use std::fs::File;
+use std::io::{Error as IoError, Read};
+
+pub trait CheckedStringRead {
+    fn get_string(&mut self) -> Result<String, IoError>;
+}
+
+impl CheckedStringRead for File {
+    fn get_string(&mut self) -> Result<String, IoError> {
+        let mut s = String::new();
+        self.read_to_string(&mut s)?;
+        Ok(s)
+    }
+}