From 971e42d7ce8981ef145e02dc99bbcb6d0559eebf Mon Sep 17 00:00:00 2001
From: rhn <gihu.rhn@porcupinefactory.org>
Date: Sun, 29 Apr 2018 15:45:02 +0200
Subject: Add Message::header

---
 src/error.rs   |  3 +++
 src/message.rs | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/error.rs b/src/error.rs
index b1e5cdc..6434ee3 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -14,6 +14,7 @@ pub type Result<T> = result::Result<T, Error>;
 pub enum Error {
     IoError(io::Error),
     NotmuchError(ffi::Status),
+    UnspecifiedError,
 }
 
 impl fmt::Display for Error {
@@ -27,6 +28,7 @@ impl std::error::Error for Error {
         match *self {
             Error::IoError(ref e) => error::Error::description(e),
             Error::NotmuchError(ref e) => e.description(),
+            Error::UnspecifiedError => "Generic notmuch error",
         }
     }
 
@@ -34,6 +36,7 @@ impl std::error::Error for Error {
         match *self {
             Error::IoError(ref e) => Some(e),
             Error::NotmuchError(ref e) => Some(e),
+            Error::UnspecifiedError => None
         }
     }
 }
diff --git a/src/message.rs b/src/message.rs
index 81d2417..094f5dc 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -1,6 +1,9 @@
 use std::ops::Drop;
 use std::marker::PhantomData;
 use std::path::PathBuf;
+use std::ffi::CString;
+
+use error::{Error, Result};
 
 use ffi;
 use utils::{
@@ -63,6 +66,18 @@ impl<'d, 'q> Message<'d, 'q>{
             ffi::notmuch_message_get_filename(self.0)
         }.to_str().unwrap())
     }
+
+    pub fn header(&self, name: &str) -> Result<&str> {
+        let ret = unsafe {
+            ffi::notmuch_message_get_header(self.0,
+                CString::new(name).unwrap().as_ptr())
+        };
+        if ret.is_null() {
+            Err(Error::UnspecifiedError)
+        } else {
+            Ok(ret.to_str().unwrap())
+        }
+    }
 }
 
 
-- 
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