From c1e907ad703fc88de60e3f7c99fdc1e53658ff93 Mon Sep 17 00:00:00 2001
From: lummax <luogpg@googlemail.com>
Date: Thu, 3 Sep 2015 11:14:46 +0200
Subject: [PATCH] util/dictionary: implement `get()`

---
 src/util/dictionary.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/util/dictionary.rs b/src/util/dictionary.rs
index 646a7be..d34baa0 100644
--- a/src/util/dictionary.rs
+++ b/src/util/dictionary.rs
@@ -54,6 +54,20 @@ impl<'a> Dictionary<'a> {
 		}
 	}
 
+	pub fn get(&'a self, key: &str) -> Option<&'a str> {
+		unsafe {
+			let key   = CString::new(key).unwrap();
+			let entry = av_dict_get(self.as_ptr(), key.as_ptr(), ptr::null_mut(), 0);
+
+			if entry.is_null() {
+				None
+			}
+			else {
+				Some(from_utf8_unchecked(CStr::from_ptr((*entry).value).to_bytes()))
+			}
+		}
+	}
+
 	pub fn iter(&self) -> DictionaryIter {
 		unsafe {
 			DictionaryIter::new(self.as_ptr())