- Fix auth zone download on windows to unlink before rename.

doc/Changelog

@@ -4,6 +4,8 @@
 	- Fix configure grep for reuseport default for failure.
 	- Fix compat ctime_r return value
 	- Fix configure does not require pkg-config if not needed.
+	- Fix unit test in the ctime_r calls for autotrust and in testbound.
+	- Fix auth zone download on windows to unlink before rename.
 
 24 June 2021: Wouter
 	- Add analyzer and port compile github workflow.

services/authzone.c

@@ -5152,6 +5152,9 @@ xfr_write_after_update(struct auth_xfer* xfr, struct module_env* env)
 		lock_rw_unlock(&z->lock);
 		return;
 	}
+#ifdef UB_ON_WINDOWS
+	(void)unlink(zfilename); /* windows does not replace file with rename() */
+#endif
 	if(rename(tmpfile, zfilename) < 0) {
 		log_err("could not rename(%s, %s): %s", tmpfile, zfilename,
 			strerror(errno));