From 07b94c9f327c0b3230022b55f8105249f205a739 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Tue, 12 Feb 2019 13:27:56 +0100
Subject: lib/strutils: support two decimal places in size_to_human_string()
 output

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 lib/strutils.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/strutils.c b/lib/strutils.c
index b71dde596..369d50159 100644
--- a/lib/strutils.c
+++ b/lib/strutils.c
@@ -551,6 +551,7 @@ char *size_to_human_string(int options, uint64_t bytes)
 	if (options & SIZE_SUFFIX_SPACE)
 		*psuf++ = ' ';
 
+
 	exp  = get_exp(bytes);
 	c    = *(letters + (exp ? exp / 10 : 0));
 	dec  = exp ? bytes / (1ULL << exp) : bytes;
@@ -569,11 +570,17 @@ char *size_to_human_string(int options, uint64_t bytes)
 	 *                 exp, suffix[0], dec, frac);
 	 */
 
+	/* round */
 	if (frac) {
-		/* round */
-		frac = (frac / (1ULL << (exp - 10)) + 50) / 100;
-		if (frac == 10)
-			dec++, frac = 0;
+		if (options & SIZE_DECIMAL_2DIGITS) {
+			frac = (frac / (1ULL << (exp - 10)) + 5) / 10;
+			if (frac % 10 == 0)
+				frac /= 10;	/* convert N.90 to N.9 */
+		} else {
+			frac = (frac / (1ULL << (exp - 10)) + 50) / 100;
+			if (frac == 10)
+				dec++, frac = 0;
+		}
 	}
 
 	if (frac) {
-- 
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