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

#1293
espressif · Apr 9, 2019 · 67ee7c3 · 67ee7c3
1 parent 8091c2c
commit 67ee7c3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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)