From 1677e7c0cd68ba171b02828acac56938dbfec73a Mon Sep 17 00:00:00 2001 From: guowenxue <guowenxue@gmail.com> Date: Sun, 21 Jul 2019 08:07:34 +0800 Subject: [PATCH] update ds18b20 sample code --- apue/1.File_IO/ds18b20.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/apue/1.File_IO/ds18b20.c b/apue/1.File_IO/ds18b20.c index 447bf28..efb0025 100644 --- a/apue/1.File_IO/ds18b20.c +++ b/apue/1.File_IO/ds18b20.c @@ -116,5 +116,7 @@ /* convert string value to float value */ *temp = atof(ptr)/1000; + close(fd); + return 0; } -- Gitblit v1.9.1