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-rw-r--r--src/time64.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/time64.c b/src/time64.c
index 8c08caf..2ed8562 100644
--- a/src/time64.c
+++ b/src/time64.c
@@ -806,7 +806,9 @@ char *asctime64_r( const struct TM* date, char *result ) {
char *ctime64_r( const Time64_T* time, char* result ) {
struct TM date;
- localtime64_r( time, &date );
+ if (!localtime64_r( time, &date ))
+ return NULL;
+
return asctime64_r( &date, result );
}