store the operating system name obtained from uname(3) in the adequate

struct together with similar state date rather than in a function-scope
static variable, such that it can be free(3)d in roff_man_free();
no functional change

1 files changed, 2 insertions, 1 deletions

diff --git a/roff.c b/roff.c
index 42a13e9e..932a0e1d 100644
--- a/roff.c
+++ b/roff.c
@@ -1,6 +1,6 @@
 /* $Id$ */
 /*
- * Copyright (c) 2010-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015, 2017-2021 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -861,6 +861,7 @@ void
 roff_man_free(struct roff_man *man)
 {
 	roff_man_free1(man);
+	free(man->os_r);
 	free(man);
 }