From 1a128c78e4119cae8d35b661149a12d0fd083b1a Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Wed, 03 Nov 2021 22:30:23 +0800
Subject: [PATCH] update led and gpio program
---
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;
}
--
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