Check for NULL pointer returned from localtime()/gmtime().
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index aee599a..6e6abfb 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -135,7 +135,16 @@
time_t when;
struct tm * (*function) PROTO((const time_t *));
{
- struct tm *p = function(&when);
+ struct tm *p;
+ errno = 0;
+ p = function(&when);
+ if (p == NULL) {
+#ifdef EINVAL
+ if (errno == NULL)
+ errno = EINVAL;
+#endif
+ return err_errno(IOError);
+ }
return mkvalue("(iiiiiiiii)",
p->tm_year + 1900,
p->tm_mon + 1, /* Want January == 1 */