From 10f6c5df5fbd3e8a2be8a0640035680235b3f8a3 Mon Sep 17 00:00:00 2001
From: "Thomas E. Dickey" <dickey@invisible-island.net>
Date: Wed, 16 Dec 1998 22:06:07 -0500
Subject: snapshot of project "lynx", label v2-8-2dev_10

---
 WWW/Library/Implementation/HTTCP.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'WWW/Library/Implementation/HTTCP.c')

diff --git a/WWW/Library/Implementation/HTTCP.c b/WWW/Library/Implementation/HTTCP.c
index 8ae0e0c3..42821b4e 100644
--- a/WWW/Library/Implementation/HTTCP.c
+++ b/WWW/Library/Implementation/HTTCP.c
@@ -1102,6 +1102,18 @@ PUBLIC int HTDoRead ARGS3(
     int nb;
 #endif /* UCX, BSN */
 
+#ifdef UNIX
+    if (fildes == 0) {
+	/*
+	 *  0 can be a valid socket fd, but if it's a tty something must
+	 *  have gone wrong. - kw
+	 */
+	if (isatty(fildes)) {
+	    CTRACE(tfp, "HTDoRead - refusing to read fd 0 which is a tty!\n");
+	    return -1;
+	}
+    } else
+#endif
     if (fildes <= 0)
 	return -1;
 
-- 
cgit 1.4.1-2-gfad0