Handle missing timestamp in commit/tag objects

When a commit or tag lacks author/committer/tagger timestamp, do not skip
the next line in the commit/tag object.

Also, do not bother to print timestamps with value 0 as it is close to certain
to be bogus.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 72a7b44..4944dfd 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -304,6 +304,8 @@ void cgit_print_date(time_t secs, char *format)
         char buf[64];
         struct tm *time;
 
+        if (!secs)
+                return;
         time = gmtime(&secs);
         strftime(buf, sizeof(buf)-1, format, time);
         html_txt(buf);
@@ -313,6 +315,8 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
 {
         time_t now, secs;
 
+        if (!t)
+                return;
         time(&now);
         secs = now - t;