From 35caa2dba38f0d52c0a7c74a57b509cd0ddf0fa9 Mon Sep 17 00:00:00 2001
From: tb <tb@openbsd.org>
Date: Tue, 28 Mar 2023 21:33:21 +0000
Subject: [PATCH] mg: fix parsing of tag files with duplicate entries

Instead of erroring out ignore duplicates. Fixes using /var/db/libc.tags
again.

ok op
---
 usr.bin/mg/tags.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/usr.bin/mg/tags.c b/usr.bin/mg/tags.c
index 0e44c0f971e..41684a863a8 100644
--- a/usr.bin/mg/tags.c
+++ b/usr.bin/mg/tags.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tags.c,v 1.23 2023/03/22 22:09:37 op Exp $	*/
+/*	$OpenBSD: tags.c,v 1.24 2023/03/28 21:33:21 tb Exp $	*/
 
 /*
  * This file is in the public domain.
@@ -388,8 +388,10 @@ addctag(char *s)
 	if (*l == '\0')
 		goto cleanup;
 	t->pat = strip(l, strlen(l));
-	if (RB_INSERT(tagtree, &tags, t) != NULL)
-		goto cleanup;
+	if (RB_INSERT(tagtree, &tags, t) != NULL) {
+		free(t);
+		free(s);
+	}
 	return (TRUE);
 cleanup:
 	free(t);
-- 
2.20.1