Method CopyFrom

src/Storage/FileStore.cpp:780–794

Copy an open file handle to make a duplicate with its own position. Intended for use on files opened in read-only mode. We assume that FatFs doesn't keep a count of open files, so it's OK for us to just make a copy of the FIL structure.

// Copy an open file handle to make a duplicate with its own position. Intended for use on files opened in read-only mode.
// We assume that FatFs doesn't keep a count of open files, so it's OK for us to just make a copy of the FIL structure.
void FileStore::CopyFrom(const FileStore *f) noexcept
{
	usageMode = FileUseMode::readOnly;
#if HAS_EMBEDDED_FILES
	fileIndex = f->fileIndex;
#else
	file = f->file;
	writeBuffer = nullptr;
	crc.Reset();
	calcCrc = false;
#endif
	closeRequested = false;
	openCount = 1;
	reprap.VolumesUpdated();
}

#endif