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From 79a034b4aed29e965f45a13409268290c9910043 Mon Sep 17 00:00:00 2001
From: martijn <martijn@openbsd.org>
Date: Wed, 23 Dec 2020 08:12:14 +0000
Subject: [PATCH] Use regfree after we're done with preg.
From gilles@
---
smtpd/table.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/usr.sbin/smtpd/table.c b/usr.sbin/smtpd/table.c
index b79451caadd4..1d82d88b81a4 100644
--- a/smtpd/table.c
+++ b/smtpd/table.c
@@ -464,6 +464,7 @@ table_regex_match(const char *string, const char *pattern)
{
regex_t preg;
int cflags = REG_EXTENDED|REG_NOSUB;
+ int ret;
if (strncmp(pattern, "(?i)", 4) == 0) {
cflags |= REG_ICASE;
@@ -473,7 +474,11 @@ table_regex_match(const char *string, const char *pattern)
if (regcomp(&preg, pattern, cflags) != 0)
return (0);
- if (regexec(&preg, string, 0, NULL, 0) != 0)
+ ret = regexec(&preg, string, 0, NULL, 0);
+
+ regfree(&preg);
+
+ if (ret != 0)
return (0);
return (1);
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