From 0c6cff7709c47c5f8f113bebcd9dc3cf0b533a69 Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Fri, 4 Nov 2016 20:15:42 -0700
Subject: [PATCH 1/3] gzip --no-name: avoid spurious warning

Problem reported by Jim Meyering (Bug#24826).
* tests/timestamp: Add a test from Jim Meyering to exercise the fix
* zip.c (zip): Treat unknown time stamps as 0.
---
 tests/timestamp | 3 +++
 zip.c           | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/timestamp b/tests/timestamp
index 7acfe5d..141c1d4 100755
--- a/tests/timestamp
+++ b/tests/timestamp
@@ -49,4 +49,7 @@ touch -t 210602070628.15 in || {
   test $? = 2 || fail=1
 }
 
+# Ensure that --no-name does not provoke a time stamp warning.
+: | gzip --no-name > k || fail=1
+
 Exit $fail
diff --git a/zip.c b/zip.c
index eb60409..a3b4559 100644
--- a/zip.c
+++ b/zip.c
@@ -54,7 +54,9 @@ int zip(in, out)
         flags |= ORIG_NAME;
     }
     put_byte(flags);         /* general flags */
-    if (0 < time_stamp.tv_sec && time_stamp.tv_sec <= 0xffffffff)
+    if (time_stamp.tv_nsec < 0)
+      stamp = 0;
+    else if (0 < time_stamp.tv_sec && time_stamp.tv_sec <= 0xffffffff)
       stamp = time_stamp.tv_sec;
     else
       {
-- 
2.7.4