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authorMark Wielaard <mark@klomp.org>2018-10-14 17:29:51 +0200
committerMark Wielaard <mark@klomp.org>2018-10-20 00:13:09 +0200
commit4cdb0fd0d3b4255a9994ce302d6df76d251f7b75 (patch)
tree6814f8530dc47cf6437117632c5e384683311f96
parent577511f66842c324c811d1530eea32792f2bee29 (diff)
ar: Assume epoch if ar_date is bogus.
If the ar header contains a bogus ar_date then in verbose mode we would get a NULL pointer from localtime. Just assume the entry was created during the epoch. https://sourceware.org/bugzilla/show_bug.cgi?id=23754 Signed-off-by: Mark Wielaard <mark@klomp.org>
-rw-r--r--src/ChangeLog4
-rw-r--r--src/ar.c10
2 files changed, 12 insertions, 2 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index d057669c..40de5a09 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,9 @@
2018-10-14 Mark Wielaard <mark@klomp.org>
+ * ar.c (do_oper_extract): Assume epoch if ar_date is bogus.
+
+2018-10-14 Mark Wielaard <mark@klomp.org>
+
* findtextrel.c (process_file): Check that sh_entsize is not zero.
2018-09-13 Mark Wielaard <mark@klomp.org>
diff --git a/src/ar.c b/src/ar.c
index 6f98f75d..d70f1f46 100644
--- a/src/ar.c
+++ b/src/ar.c
@@ -539,8 +539,14 @@ do_oper_extract (int oper, const char *arfname, char **argv, int argc,
else if (oper == oper_list)
{
char datestr[100];
- strftime (datestr, sizeof (datestr), "%b %e %H:%M %Y",
- localtime (&arhdr->ar_date));
+ struct tm *tp = localtime (&arhdr->ar_date);
+ if (tp == NULL)
+ {
+ time_t time = 0;
+ tp = localtime (&time);
+ }
+
+ strftime (datestr, sizeof (datestr), "%b %e %H:%M %Y", tp);
printf ("%c%c%c%c%c%c%c%c%c %u/%u %6ju %s %s\n",
(arhdr->ar_mode & S_IRUSR) ? 'r' : '-',