From e03a57df92f92a4388f7b78bcf3ce4bb46f39e66 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Tue, 6 Dec 2016 02:17:01 -0800
Subject: [PATCH] cp: Check result of utimensat

POSIX says that if duplicating the modification/access times fails, then
an error should be written to stderr.
---
 libutil/cp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libutil/cp.c b/libutil/cp.c
index c398962..7d4c174 100644
--- a/libutil/cp.c
+++ b/libutil/cp.c
@@ -156,8 +156,10 @@ cp(const char *s1, const char *s2, int depth)
 		if (!S_ISLNK(st.st_mode)) {
 			times[0] = st.st_atim;
 			times[1] = st.st_mtim;
-			utimensat(AT_FDCWD, s2, times, 0);
-
+			if (utimensat(AT_FDCWD, s2, times, 0) < 0) {
+				weprintf("utimensat %s:", s2);
+				cp_status = 1;
+			}
 			if (chown(s2, st.st_uid, st.st_gid) < 0) {
 				weprintf("chown %s:", s2);
 				cp_status = 1;