From a8620a1ff68d41c82efd0f0be61c4f2d24f12550 Mon Sep 17 00:00:00 2001
From: KAMADA Ken'ichi <kamada@nanohz.org>
Date: Wed, 16 Nov 2016 23:13:29 +0900
Subject: [PATCH] Pre-allocate a Vec since the count of a TIFF field value is
 known.

---
 src/value.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/value.rs b/src/value.rs
index 462786d..8391912 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -75,7 +75,7 @@ fn parse_ascii<'a>(data: &'a [u8], offset: usize, count: usize)
 
 fn parse_short<'a, E>(data: &'a [u8], offset: usize, count: usize)
                       -> Value<'a> where E: Endian {
-    let mut val = Vec::new();
+    let mut val = Vec::with_capacity(count);
     for i in 0..count {
         val.push(E::loadu16(data, offset + i * 2));
     }