gistfile1.diff

--- ext/fileinfo/libmagic.orig/readcdf.c        Tue Jan  7 04:13:42 2014
+++ readcdf_new.c       Mon Apr 28 16:55:57 2014
@@ -97,6 +97,8 @@
         const char *s;
         int len;

+       memset(&ts, 0, sizeof(ts));
+
         for (i = 0; i < count; i++) {
                 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
                 switch (info[i].pi_type) {
@@ -171,8 +173,11 @@
                                                 return -1;
                                 } else {
                                         char *c, *ec;
-                                        cdf_timestamp_to_timespec(&ts, tp);
-                                        c = cdf_ctime(&ts.tv_sec, tbuf);
+                                       const time_t sec = ts.tv_sec;
+                                       if (cdf_timestamp_to_timespec(&ts, tp) == -1) {
+                                               return -1;
+                                       }
+                                       c = cdf_ctime(&sec, tbuf);
                                         if (c != NULL &&
                                            (ec = strchr(c, '\n')) != NULL)
                                                *ec = '\0';