From 804cacbea35bd0989fa290d4dad9fa65efc71346 Mon Sep 17 00:00:00 2001
From: Fred Klassen <fred.klassen@broadcom.com>
Date: Tue, 4 Jun 2024 20:45:23 -0700
Subject: [PATCH] Bug #867 - run regfree() on close

---
 docs/CHANGELOG | 1 +
 src/tcpprep.c  | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/docs/CHANGELOG b/docs/CHANGELOG
index 7d8680b3..87dd4964 100644
--- a/docs/CHANGELOG
+++ b/docs/CHANGELOG
@@ -1,4 +1,5 @@
 06/03/2024 Version 4.5.0-beta1
+    - memory leak in tcpprep when using RegEx (#867)
     - fix nansecond timestamp regression bug (#863)
     - autotools - AC_HELP_STRING is obsolete in 2.70 (#856)
     - configure.ac: do not run conftest in case of cross compilation (#849)
diff --git a/src/tcpprep.c b/src/tcpprep.c
index 83824766..6a5f7830 100644
--- a/src/tcpprep.c
+++ b/src/tcpprep.c
@@ -195,6 +195,8 @@ main(int argc, char *argv[])
     /* close cache file */
     close(out_file);
 
+    regfree(&tcpprep->options->preg);
+
     tcpprep_close(tcpprep);
 
     restore_stdin();