From 438b4ac2860f4aec5b5fb82c47f75a0cb80d9cb4 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Sun, 16 Mar 2014 12:34:53 +0100
Subject: script: make it work even if fd 0 is closed

Testcase:
script -q -c "echo hey" /dev/null 0>&-

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 libbb/getpty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libbb/getpty.c')

diff --git a/libbb/getpty.c b/libbb/getpty.c
index 435e4d09f..391d729f2 100644
--- a/libbb/getpty.c
+++ b/libbb/getpty.c
@@ -16,7 +16,7 @@ int FAST_FUNC xgetpty(char *line)
 
 #if ENABLE_FEATURE_DEVPTS
 	p = open("/dev/ptmx", O_RDWR);
-	if (p > 0) {
+	if (p >= 0) {
 		grantpt(p); /* chmod+chown corresponding slave pty */
 		unlockpt(p); /* (what does this do?) */
 # ifndef HAVE_PTSNAME_R
-- 
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