Use reentrant gmtime and localtime functions, and other tweaks

1 files changed, 3 insertions, 2 deletions

diff --git a/src/fig/FIG0_9.cpp b/src/fig/FIG0_9.cpp
index cf73625..dcee17c 100644
--- a/src/fig/FIG0_9.cpp
+++ b/src/fig/FIG0_9.cpp
@@ -139,8 +139,9 @@ FillStatus FIG0_9::fill(uint8_t *buf, size_t max_size)
 
     if (ensemble->lto_auto) {
         time_t now = time(NULL);
-        struct tm* ltime = localtime(&now);
-        time_t now2 = timegm(ltime);
+        struct tm ltime;
+        localtime_r(&now, &ltime);
+        time_t now2 = timegm(&ltime);
         ensemble->lto = (now2 - now) / 1800;
     }