fgerlits commented on code in PR #1560:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1560#discussion_r1184786953
##########
libminifi/src/utils/file/FileUtils.cpp:
##########
@@ -66,21 +66,21 @@ bool contains(const std::filesystem::path& file_path,
std::string_view text_to_s
return std::search(view.begin(), view.end(), searcher) != view.end();
}
-time_t to_time_t(std::filesystem::file_time_type file_time) {
-#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 14000
- return std::chrono::file_clock::to_time_t(file_time);
+std::chrono::system_clock::time_point to_sys(std::filesystem::file_time_type
file_time) {
+ using namespace std::chrono; // NOLINT(build/namespaces)
+#if defined(WIN32) || (defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION < 14000))
+ return system_clock::now() + duration_cast<system_clock::duration>(file_time
- file_clock::now());
Review Comment:
I think this causes occasional unit test failures because we read `now()`
twice, and sometimes we get two different ticks back.
As an alternative, this worked for me on Windows:
```c++
// to_sys
return utc_clock::to_sys(file_clock::to_utc(file_time));
// from_sys
return file_clock::from_utc(utc_clock::from_sys(sys_time));
```
I'm not sure if it works on libc++ version < 14, too, but I'm also not sure
if we really need to support libc++ version < 14.
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