Xiang Wang comments

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                                            Xiang Wang

v5.2.0: hs_compile_lit_multi crashes in strlen when compiled with clang and ASAN

Thanks for reporting this issue. We'll fix it in our next release.

Segmentation fault on Linux

I am not able to reproduce this error under the same configuration. What is your CPU platform and command to run hscheck?

[Question] Method equivalent to hs_validate in latest hyperscan version

Which Hyperscan version with `hs_validate` do you use? You can check the return value of `hs_compile` or use `hscheck` tool to pick rules supported by Hyperscan. (http://intel.github.io/hyperscan/dev-reference/tools.html#quick-check-hscheck)

Performance optimization suggestions

Thanks for your detailed explanations! This is a good catch. For the `lastz0` case, I think this makes sense as it's at the critical path. So saving of a single...

Crash during pattern matching at high load

We can't reproduce your issue with patterns provided and a input string of `http://m.snapdeal.comsampleFile.html`. It'll be good to update to the latest release version and reproduce this issue with our...

how to get accurate results using callback functions after hs_scan

- Hyperscan doesn't support *greedy* or *ungreedy* semantics but reports all matches instead. So in your case, `"2"`, `"20"`, `"201"` and `"2018"` are all valid matches for `[0-9]+`. You can...

Never used variable 'stream2'

Thanks for reporting. We'll remove unused variables.

Something about compile error

@Librarvl , this looks like a semantic error existing in your rule. Can you find the rule that triggers this error?

Should it work under Memory Sanitizer and Undefined Behavior Sanitizer?

Thanks for the questions. - We'll have a fix for this UBSan issue. - The MSan issue looks like a false positive to me as there's no explicit code that...

how to get hyperscan match result immediatly, without callback function?

You can add single match flag `HS_FLAG_SINGLEMATCH` at compile time. The scan will terminate once a match is found.