Github user arpadboda commented on the issue:
https://github.com/apache/nifi-minifi-cpp/pull/439
There is no delete, it was wrong before:
```
void free_flowfile(flow_file_record *ff) {
if (ff == nullptr) {
return;
}
auto content_repo_ptr =
static_cast<std::shared_ptr<minifi::core::ContentRepository>*>(ff->crp);
if (content_repo_ptr->get()) {
std::shared_ptr<minifi::ResourceClaim> claim =
std::make_shared<minifi::ResourceClaim>(ff->contentLocation, *content_repo_ptr);
(*content_repo_ptr)->remove(claim);
}
if (ff->ffp == nullptr) {
auto map = static_cast<string_map*>(ff->attributes);
delete map;
}
free(ff->contentLocation);
free(ff);
```
The last line is the one that frees.
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