Call tzset before localtime_r as required by POSIX

Otherwise localtime_r() may not respect the current TZ setting.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>
Reviewed-by: David Kettler <kettler@internode.on.net>

diff --git a/lib/bup/_helpers.c b/lib/bup/_helpers.c
index 92d79e34a4059bf6c16e743328dc951c32c7a9e8..2fe9f280017bcd1f09f70baf65ab08a07bcc18ea 100644 (file)
--- a/lib/bup/_helpers.c
+++ b/lib/bup/_helpers.c
@@ -1321,6 +1321,7 @@ static PyObject *bup_localtime(PyObject *self, PyObject *args)
         return PyErr_Format(PyExc_OverflowError, "time value too large");
 
     struct tm tm;
+    tzset();
     if(localtime_r(&ttime, &tm) == NULL)
         return PyErr_SetFromErrno(PyExc_OSError);