From 7a2ee1d6f6e5b9fd8c869726e30d952830145c27 Mon Sep 17 00:00:00 2001
From: Clemens Kirchgatterer <clemens@1541.org>
Date: Tue, 19 Mar 2019 09:14:28 +0100
Subject: [PATCH] workaround for FS implementations that do not support
fflush()
https://github.com/espressif/arduino-esp32/issues/1293
---
libraries/FS/src/vfs_api.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libraries/FS/src/vfs_api.cpp b/libraries/FS/src/vfs_api.cpp
index 2b91eb82187..6502f760560 100644
--- a/libraries/FS/src/vfs_api.cpp
+++ b/libraries/FS/src/vfs_api.cpp
@@ -340,6 +340,8 @@ void VFSFileImpl::flush()
return;
}
fflush(_f);
+ // workaround for https://github.com/espressif/arduino-esp32/issues/1293
+ fsync(fileno(_f));
}
bool VFSFileImpl::seek(uint32_t pos, SeekMode mode)