From e45e64491ea092fd40e358ce7a81c2736d747f02 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Wed, 9 Jul 2014 15:42:54 +0000
Subject: [PATCH] Only check errno if getpwuid() fails

Checking errno otherwise is unspecified.
---
 ps.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ps.c b/ps.c
index f45fb99..9bb8f2e 100644
--- a/ps.c
+++ b/ps.c
@@ -136,8 +136,12 @@ psout(struct procstat *ps)
 	} else {
 		errno = 0;
 		pw = getpwuid(pstatus.uid);
-		if (errno || !pw)
-			eprintf("getpwuid %d:", pstatus.uid);
+		if (!pw) {
+			if (errno)
+				eprintf("getpwuid %d:", pstatus.uid);
+			else
+				eprintf("getpwuid %d: no such user\n", id);
+		}
 
 		if (sysinfo(&info) < 0)
 			eprintf("sysinfo:");