From 2086cc6598b354bf298b802368807ac66d26fd21 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Fri, 1 Nov 2019 16:46:12 +0100
Subject: [PATCH] Fix for errors that occur before initializing the terminal.

---
 bb.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/bb.c b/bb.c
index 315b4f5..8369959 100644
--- a/bb.c
+++ b/bb.c
@@ -147,9 +147,11 @@ void cleanup(void)
         free(cmdfilename);
         cmdfilename = NULL;
     }
-    fputs(T_OFF(T_ALT_SCREEN) T_ON(T_SHOW_CURSOR), tty_out);
-    fflush(tty_out);
-    tcsetattr(fileno(tty_out), TCSANOW, &orig_termios);
+    if (tty_out) {
+        fputs(T_OFF(T_ALT_SCREEN) T_ON(T_SHOW_CURSOR), tty_out);
+        fflush(tty_out);
+        tcsetattr(fileno(tty_out), TCSANOW, &orig_termios);
+    }
 }
 
 /*