Relace localtime with localtime_r to be thread safe.

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/log.c b/lib/log.c
index 12b76c14..2d636599 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -117,11 +117,11 @@ uquagga_timestamp(int timestamp_precision, char *buf, size_t buflen)
   /* first, we update the cache if the time has changed */
   if (cache.last != clock.tv_sec)
     {
-      struct tm *tm;
+      struct tm tm;
       cache.last = clock.tv_sec;
-      tm = localtime(&cache.last);
+      localtime_r(&cache.last, &tm);
       cache.len = strftime(cache.buf, sizeof(cache.buf),
-      			   "%Y/%m/%d %H:%M:%S", tm);
+      			   "%Y/%m/%d %H:%M:%S", &tm);
     }
   /* note: it's not worth caching the subsecond part, because
      chances are that back-to-back calls are not sufficiently close together