arpadboda commented on a change in pull request #540: MINIFICPP-809: Better
support python capabilities and recordreader/wr…
URL: https://github.com/apache/nifi-minifi-cpp/pull/540#discussion_r277460471
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File path: libminifi/src/io/FileStream.cpp
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@@ -28,12 +28,15 @@ namespace nifi {
namespace minifi {
namespace io {
-FileStream::FileStream(const std::string &path)
+FileStream::FileStream(const std::string &path, bool append)
: logger_(logging::LoggerFactory<FileStream>::getLogger()),
path_(path),
offset_(0) {
file_stream_ = std::unique_ptr<std::fstream>(new std::fstream());
- file_stream_->open(path.c_str(), std::fstream::out | std::fstream::binary);
+ if (append)
+ file_stream_->open(path.c_str(), std::fstream::in | std::fstream::out |
std::fstream::app | std::fstream::binary);
Review comment:
Why do we need "in" for appending?
To avoid duplication can it be done like:
```
auto flags = std::fstream::out | std::fstream::binary;
if (append) {
flags |= std::fstream::in | std::fstream::app
}
file_stream_->open(path.c_str(), flags);
```
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