Avoid list resizes

1 files changed, 11 insertions, 2 deletions

diff --git a/Mono.Cecil.Metadata/Buffers.cs b/Mono.Cecil.Metadata/Buffers.cs
index 9bb2f94..d219546 100644
--- a/Mono.Cecil.Metadata/Buffers.cs
+++ b/Mono.Cecil.Metadata/Buffers.cs
@@ -326,8 +326,7 @@ namespace Mono.Cecil.Metadata {
 
 		public uint [] WriteStrings ()
 		{
-			var sorted = new List<KeyValuePair<string, uint>> (strings);
-			sorted.Sort (new SuffixSort ());
+			var sorted = SortStrings (strings);
 			strings = null;
 
 			// Add 1 for empty string whose index and offset are both 0
@@ -355,6 +354,16 @@ namespace Mono.Cecil.Metadata {
 			return string_offsets;
 		}
 
+		static List<KeyValuePair<string, uint>> SortStrings (Dictionary<string, uint> strings)
+		{
+			var sorted = new List<KeyValuePair<string, uint>> (strings.Count);
+			foreach (var pair in strings)
+				sorted.Add (pair);
+
+			sorted.Sort (new SuffixSort ());
+			return sorted;
+		}
+
 		static bool IsLowSurrogateChar (int c)
 		{
 			return unchecked((uint)(c - 0xDC00)) <= 0xDFFF - 0xDC00;