if (log_datestamping)
{
uschar log_file_wanted[256];
- string_format(log_file_wanted, sizeof(log_file_wanted), "%s", CS log_file);
+ /* Do *not* use "%s" here, we need the %D datestamp in the log_file to
+ * be expanded! */
+ string_format(log_file_wanted, sizeof(log_file_wanted), CS log_file);
if (Ustrcmp(log_file_wanted, log_file_open) != 0)
{
if (LOG != NULL)