From 57af0d70d3b90b4a0a89f7d2b96ed53c1bb7bb03 Mon Sep 17 00:00:00 2001
From: nineisk <is_kk@hotmail.com>
Date: Thu, 26 Jan 2017 09:30:12 +0700
Subject: [PATCH] =?UTF-8?q?Fix=20fopen()=20in=20=E2=80=9Ca=E2=80=9D=20(app?=
 =?UTF-8?q?end)=20mode?=
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fopen() does not work when file is opened in “a” (append) mode
---
 components/fatfs/src/vfs_fat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/fatfs/src/vfs_fat.c b/components/fatfs/src/vfs_fat.c
index 4ef387b43..73bed5eaa 100644
--- a/components/fatfs/src/vfs_fat.c
+++ b/components/fatfs/src/vfs_fat.c
@@ -152,7 +152,7 @@ static int fat_mode_conv(int m)
     }
     if ((m & O_CREAT) && (m & O_EXCL)) {
         res |= FA_CREATE_NEW;
-    } else if (m & O_CREAT) {
+    } else if ((m & O_CREAT) && (m & O_TRUNC)) {
         res |= FA_CREATE_ALWAYS;
     } else if (m & O_APPEND) {
         res |= FA_OPEN_ALWAYS;