From 83a7b814d91cedb0fa4c43fa8afea16c3d311369 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Fri, 13 Mar 2020 16:16:58 +0000
Subject: Properly reset the validation part of the tagging module between
 files. This fixes a crash in makewhatis(8) encountered by naddy@.

---
 tag.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'tag.c')

diff --git a/tag.c b/tag.c
index 50e74f48..6a38ad68 100644
--- a/tag.c
+++ b/tag.c
@@ -1,4 +1,4 @@
-/* $Id: tag.c,v 1.28 2020/03/13 15:32:29 schwarze Exp $ */
+/* $Id: tag.c,v 1.29 2020/03/13 16:16:58 schwarze Exp $ */
 /*
  * Copyright (c) 2015,2016,2018,2019,2020 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -59,6 +59,8 @@ tag_free(void)
 	struct tag_entry	*entry;
 	unsigned int		 slot;
 
+	if (tag_data.info.free == NULL)
+		return;
 	entry = ohash_first(&tag_data, &slot);
 	while (entry != NULL) {
 		free(entry->nodes);
@@ -66,6 +68,7 @@ tag_free(void)
 		entry = ohash_next(&tag_data, &slot);
 	}
 	ohash_delete(&tag_data);
+	tag_data.info.free = NULL;
 }
 
 /*
-- 
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