Only check errno if getpwuid() fails

Checking errno otherwise is unspecified.
2014-07-09 15:42:54 +00:00 · 2014-07-09 15:42:54 +00:00 · e45e64491e
commit e45e64491e
parent 291aedb875
1 changed files with 6 additions and 2 deletions
--- a/ps.c
+++ b/ps.c
@ -136,8 +136,12 @@ psout(struct procstat *ps)
 	} else {
 		errno = 0;
 		pw = getpwuid(pstatus.uid);
-		if (errno || !pw)
+		if (!pw) {
+			if (errno)
 				eprintf("getpwuid %d:", pstatus.uid);
+			else
+				eprintf("getpwuid %d: no such user\n", id);
+		}

 		if (sysinfo(&info) < 0)
 			eprintf("sysinfo:");