From 72cf6b7f0641245fde9aa4a2a786ca27de41c1ba Mon Sep 17 00:00:00 2001
From: banjiuqingshan <63209634+banjiuqingshan@users.noreply.github.com>
Date: Fri, 18 Nov 2022 09:37:00 +0800
Subject: use regfree to release the memory

use regfree() to release the memory requested by the regular expression.#1804
---
 tar/subst.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tar/subst.c b/tar/subst.c
index 39c54acf..55ad63dc 100644
--- a/tar/subst.c
+++ b/tar/subst.c
@@ -320,6 +320,7 @@ cleanup_substitution(struct bsdtar *bsdtar)
 	while ((rule = subst->first_rule) != NULL) {
 		subst->first_rule = rule->next;
 		free(rule->result);
+		regfree(&rule->re);
 		free(rule);
 	}
 	free(subst);
-- 
cgit v1.2.1