From bfdadc55b2b56218dbc7fdd2eb35009735ad9142 Mon Sep 17 00:00:00 2001
From: Norman Feske <norman.feske@genode-labs.com>
Date: Thu, 16 Feb 2017 17:24:44 +0100
Subject: [PATCH] base: Add Number_of_bytes::print method

This method attempts to print the number with a K/M/G unit if possible
and thereby increases the human readability of generated output.
---
 repos/base/include/util/string.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/repos/base/include/util/string.h b/repos/base/include/util/string.h
index b5d69ba411..6242347d19 100644
--- a/repos/base/include/util/string.h
+++ b/repos/base/include/util/string.h
@@ -51,6 +51,18 @@ class Genode::Number_of_bytes
 		 * Convert number of bytes to 'size_t' value
 		 */
 		operator size_t() const { return _n; }
+
+		void print(Output &output) const
+		{
+			using Genode::print;
+
+			enum { KB = 1024UL, MB = KB*1024UL, GB = MB*1024UL };
+
+			if      (_n % GB == 0) print(output, _n/GB, "G");
+			else if (_n % MB == 0) print(output, _n/MB, "M");
+			else if (_n % KB == 0) print(output, _n/KB, "K");
+			else                   print(output, _n);
+		}
 };