be more conservative about result from ctime_r

1 files changed, 5 insertions, 2 deletions

diff --git a/src/plugins/rpm_extractor.c b/src/plugins/rpm_extractor.c
index d54e341..e1f2d62 100644
--- a/src/plugins/rpm_extractor.c
+++ b/src/plugins/rpm_extractor.c
@@ -352,8 +352,11 @@ EXTRACTOR_rpm_extract_method (struct EXTRACTOR_ExtractContext *ec)
                   uint32_t *v = rpmtdNextUint32 (p);
                   time_t tp = (time_t) *v;
 
-                  ctime_r (&tp, tmp);
-                  tmp[strlen (tmp) - 1] = '\0';   /* eat linefeed */
+                  if (NULL == ctime_r (&tp, tmp))
+                    break;
+                  if ( (strlen (tmp) > 0) &&
+                       (isblank ((unsigned char) tmp[strlen(tmp)-1])) )
+                    tmp[strlen (tmp) - 1] = '\0';   /* eat linefeed */
                   pthread_mutex_lock (&parg.lock);
                   if (0 != ec->proc (ec->cls,
                                      "rpm",