From d23e488aaa7646ae4391e584e4bda1186a92f7d0 Mon Sep 17 00:00:00 2001
From: Bruce Leidl <bruce@subgraph.com>
Date: Tue, 29 Jan 2019 13:42:17 -0500
Subject: [PATCH] method to write header to a path

---
 libcitadel/src/header.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libcitadel/src/header.rs b/libcitadel/src/header.rs
index bb6b618..9df4bcc 100644
--- a/libcitadel/src/header.rs
+++ b/libcitadel/src/header.rs
@@ -1,5 +1,5 @@
 use std::cell::RefCell;
-use std::fs::File;
+use std::fs::{File,OpenOptions};
 use std::io::{Read, Write};
 use std::path::Path;
 
@@ -245,6 +245,10 @@ impl ImageHeader {
         Ok(())
     }
 
+    pub fn write_header_to<P: AsRef<Path>>(&self, path: P) -> Result<()> {
+        self.write_header(OpenOptions::new().write(true).open(path.as_ref())?)
+    }
+
     pub fn clear(&self) {
         for b in &mut self.0.borrow_mut()[..] {
             *b = 0;