From 5eef2f78b06f5ec7999ac016fd5d0703cfc0f811 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sun, 17 Nov 2019 20:11:56 +0100
Subject: [PATCH] LibC: isatty() should return 1 for success, 0 for error

---
 Libraries/LibC/unistd.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/LibC/unistd.cpp b/Libraries/LibC/unistd.cpp
index 8fe148cd21..79d10e6042 100644
--- a/Libraries/LibC/unistd.cpp
+++ b/Libraries/LibC/unistd.cpp
@@ -331,7 +331,7 @@ int rmdir(const char* pathname)
 int isatty(int fd)
 {
     struct termios dummy;
-    return tcgetattr(fd, &dummy);
+    return tcgetattr(fd, &dummy) == 0;
 }
 
 int getdtablesize()