From ad9f07e66fded8a44adba15d576960cef587f9d4 Mon Sep 17 00:00:00 2001
From: Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
Date: Wed, 1 Aug 2018 21:36:44 +0900
Subject: 43227: fix memory leaks in term{cap,info}.c

---
 Src/utils.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'Src/utils.c')

diff --git a/Src/utils.c b/Src/utils.c
index ee2ad207f..075d27241 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -375,6 +375,43 @@ zerrmsg(FILE *file, const char *fmt, va_list ap)
     fflush(file);
 }
 
+/*
+ * Wrapper for setupterm() and del_curterm().
+ * These are called from terminfo.c and termcap.c.
+ */
+static int term_count;	/* reference count of cur_term */
+
+/**/
+mod_export void
+zsetupterm(void)
+{
+#ifdef HAVE_SETUPTERM
+    int errret;
+
+    DPUTS(term_count < 0 || (term_count > 0 && !cur_term),
+	    "inconsistent term_count and/or cur_term");
+    /*
+     * Just because we can't set up the terminal doesn't
+     * mean the modules hasn't booted---TERM may change,
+     * and it should be handled dynamically---so ignore errors here.
+     */
+    if (term_count++ == 0)
+	(void)setupterm((char *)0, 1, &errret);
+#endif
+}
+
+/**/
+mod_export void
+zdeleteterm(void)
+{
+#ifdef HAVE_SETUPTERM
+    DPUTS(term_count < 1 || !cur_term,
+	    "inconsistent term_count and/or cur_term");
+    if (--term_count == 0)
+	del_curterm(cur_term);
+#endif
+}
+
 /* Output a single character, for the termcap routines.     *
  * This is used instead of putchar since it can be a macro. */
 
-- 
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