From 7bc8e898409f62bdf6d96cc6665ea9f72ac6a031 Mon Sep 17 00:00:00 2001
From: "Andrey A. Chernov" <ache@FreeBSD.org>
Date: Fri, 19 Jun 1998 16:09:20 +0000
Subject: [PATCH] Add check for non-NULL cur_term Add #pragma weak for
 reset_*_mode() they will be replaced in libncurses

---
 lib/libmytinfo/tty.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/libmytinfo/tty.c b/lib/libmytinfo/tty.c
index 2ba2a7ccf905..9c22eb15f4e3 100644
--- a/lib/libmytinfo/tty.c
+++ b/lib/libmytinfo/tty.c
@@ -107,6 +107,8 @@ _check_tty() {
 
 int
 def_prog_mode() {
+	if (cur_term == NULL)
+		return ERR;
 #ifdef USE_WINSZ
 #ifdef TIOCGWINSZ
 	if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->prog_winsz) < 0)
@@ -125,6 +127,8 @@ def_prog_mode() {
 
 int
 def_shell_mode() {
+	if (cur_term == NULL)
+		return ERR;
 	cur_term->termcap = 0;
 #ifdef USE_WINSZ
 #ifdef TIOCGWINSZ
@@ -139,8 +143,12 @@ def_shell_mode() {
 #endif
 }
 
+
+#pragma weak reset_prog_mode
 int
 reset_prog_mode() {
+	if (cur_term == NULL)
+		return ERR;
 #ifdef USE_TERMIO
 	return ioctl(cur_term->fd, TCSETA, &cur_term->prog_mode)==0 ? OK : ERR;
 #else
@@ -148,8 +156,11 @@ reset_prog_mode() {
 #endif
 }
 
+#pragma weak reset_shell_mode
 int
 reset_shell_mode() {
+	if (cur_term == NULL)
+		return ERR;
 #ifdef USE_TERMIO
 	return ioctl(cur_term->fd, TCSETA, &cur_term->shell_mode)==0 ? OK : ERR;
 #else