From 4502d22cb8a96d9059b02861b8074e4fadf2cab2 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 6 Aug 2010 21:33:53 +0200
Subject: [PATCH] util: when formatting timestamps return '0' for 0 timestamps
 instead of empty string

---
 src/util.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util.c b/src/util.c
index ee7749be..7281b703 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1936,6 +1936,12 @@ char *format_timespan(char *buf, size_t l, usec_t t) {
         if (t == (usec_t) -1)
                 return NULL;
 
+        if (t == 0) {
+                snprintf(p, l, "0");
+                p[l-1] = 0;
+                return p;
+        }
+
         /* The result of this function can be parsed with parse_usec */
 
         for (i = 0; i < ELEMENTSOF(table); i++) {
-- 
2.39.5