From: Timo Kokkonen <timo.t.kokkonen@iki.fi>
Date: Fri, 4 Oct 2013 19:52:33 +0000 (+0300)
Subject: main: Add missing EOF check to serial read
X-Git-Url: http://git.itanic.dy.fi/?p=log-plotter;a=commitdiff_plain;h=14e1f568461b564c1fee79a0256817fc041bc3f2

main: Add missing EOF check to serial read

If we got EOF from the serial port, close it and exit. Nothing more to
do.

Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>
---

diff --git a/main.c b/main.c
index 847a110..dd6c7c0 100644
--- a/main.c
+++ b/main.c
@@ -55,6 +55,9 @@ int main(int argc, char *argv[])
 			break;
 		}
 
+		if (ret == 0)
+			break;
+
 		ret = write(1, buf, ret);
 		if (read < 0) {
 			perror("write");