systemd/systemd-cgls-fix-piping-output.patch

From 7009eec20823add711e0aa452bdf9dfdd677fa4f Mon Sep 17 00:00:00 2001
From: Anders Olofsson <anders.olofsson@axis.com>
Date: Mon, 19 Nov 2012 15:25:36 +0100
Subject: [PATCH] shared/utils: systemd-cgls shows 'n/a' when piping output

-1 was used to signal failure, but the type was unsigned.

https://bugs.freedesktop.org/show_bug.cgi?id=56644
---
 src/shared/util.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: systemd-195/src/shared/util.c
===================================================================
--- systemd-195.orig/src/shared/util.c
+++ systemd-195/src/shared/util.c
@@ -3806,7 +3806,7 @@ int fd_columns(int fd) {
 
 unsigned columns(void) {
         const char *e;
-        unsigned c;
+        int c;
 
         if (_likely_(cached_columns > 0))
                 return cached_columns;
@@ -3814,7 +3814,7 @@ unsigned columns(void) {
         c = 0;
         e = getenv("COLUMNS");
         if (e)
-                safe_atou(e, &c);
+                safe_atoi(e, &c);
 
         if (c <= 0)
                 c = fd_columns(STDOUT_FILENO);