From d135af33af916d24231c3f43d9cdb541278b124d Mon Sep 17 00:00:00 2001
From: Arun Prakash Jana <engineerarun@gmail.com>
Date: Wed, 20 Dec 2017 00:01:32 +0530
Subject: [PATCH] A fancier func to get order of 2

---
 nnn.c | 39 +++++++++++----------------------------
 1 file changed, 11 insertions(+), 28 deletions(-)

diff --git a/nnn.c b/nnn.c
index 20a5f0a7..b2f5da3f 100644
--- a/nnn.c
+++ b/nnn.c
@@ -1564,37 +1564,20 @@ show_stats(char *fpath, char *fname, struct stat *sb)
 	return 0;
 }
 
+/*
+ * Get the order of 2 for this size
+ * In brief - return the number of trailing zeroes
+ */
 static int
 getorder(size_t size)
 {
-	switch (size) {
-	case 4096:
-		return 12;
-	case 512:
-		return 9;
-	case 8192:
-		return 13;
-	case 16384:
-		return 14;
-	case 32768:
-		return 15;
-	case 65536:
-		return 16;
-	case 131072:
-		return 17;
-	case 262144:
-		return 18;
-	case 524288:
-		return 19;
-	case 1048576:
-		return 20;
-	case 2048:
-		return 11;
-	case 1024:
-		return 10;
-	default:
-		return 0;
-	}
+	static int count, mask;
+
+	for (mask = 1, count = 0; count < 32; mask <<= 1, ++count)
+		if ((size & mask) != 0)
+			return count;
+
+	return 32;
 }
 
 static size_t