NGINX Unit - universal web app server - a lightweight and versatile open source server that simplifies the application stack by natively executing application code across eight different programming language runtimes.
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When testing some configurations of compilers and OSes, I noticed that clang(1) 13 on Debian caused a function to be compiled but unused, and the compiler triggered a compile error. To avoid that error, use __attribute__((__unused__)). Let's call our wrapper NXT_MAYBE_UNUSED, since it describes itself more precisely than the GCC attribute name. It's also the name that C2x (likely C23) has given to the standard attribute, which is [[maybe_unused]], so it's also likely to be more readable because of that name being in ISO C. |
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NGINX Unit ---------- The documentation and binary packages are available online: http://unit.nginx.org The source code is provided under the terms of Apache License 2.0: http://hg.nginx.org/unit Please ask questions, report issues, and send patches to the mailing list: unit@nginx.org (http://mailman.nginx.org/mailman/listinfo/unit) or via Github: https://github.com/nginx/unit -- NGINX, Inc. http://nginx.com