rs

FTDI serial communication program
git clone git://git.2f30.org/rs
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commit 8ddd819574c2d982571e2c32555a9d9954dd2565
parent 7f4368fca698cf76e75df23981fcba02df153fa9
Author: sin <sin@2f30.org>
Date:   Sat, 16 Nov 2013 14:02:03 +0000

Check if stdin is indeed referring to a terminal

Diffstat:

Mrs.c | 3+++


1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/rs.c b/rs.c
@@ -141,6 +141,9 @@ main(int argc, char *argv[])
 		usage();
 	} ARGEND;
 
+	if (!isatty(STDIN_FILENO))
+		eprintf("isatty: stdin:");
+
 	ftdi_init(&ftdictx);
 	ftdi_set_interface(&ftdictx, INTERFACE_ANY);