From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 5 Nov 2016 03:15:42 +0000 (-0700)
Subject: gzip --no-name: avoid spurious warning
X-Git-Tag: v1.9~42
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;ds=sidebyside;h=fa0feeca560a412d513696aca15e41e755c62254;p=debian%2Fgzip

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.
---

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
       {