workaround for FS implementations that do not support fflush() (#2596)

https://github.com/espressif/arduino-esp32/issues/1293

workaround for FS implementations that do not support fflush() (#2596)
https://github.com/espressif/arduino-esp32/issues/1293
67ee7c32 · Clemens Kirchgatterer · Me No Dev · 8091c2ca · 67ee7c32
Commit 67ee7c32 authored Apr 09, 2019 by Clemens Kirchgatterer Committed by Me No Dev Apr 09, 2019
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 0 deletions

libraries/FS/src/vfs_api.cpp libraries/FS/src/vfs_api.cpp +2 -0

No files found.
--- 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)