From 07fe6cb3de6f99a71d26c2b8f50a97d6f88e93a8 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <programble@gmail.com>
Date: Wed, 21 Feb 2018 14:56:38 -0500
Subject: Check if broadcast stdout is redirected

---
 broadcast.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/broadcast.c b/broadcast.c
index e5957ae..afea3e4 100644
--- a/broadcast.c
+++ b/broadcast.c
@@ -54,6 +54,10 @@ int main(int argc, char *argv[]) {
     int local = STDERR_FILENO;
     int remote = STDOUT_FILENO;
 
+    if (isatty(remote)) {
+        errx(EX_USAGE, "stdout is not redirected");
+    }
+
     error = tcgetattr(local, &saveTerm);
     if (error) err(EX_IOERR, "tcgetattr");
     atexit(restoreTerm);
-- 
cgit 1.4.1