mirror of https://github.com/axmolengine/axmol.git
68 lines
3.5 KiB
Markdown
68 lines
3.5 KiB
Markdown
c-ares
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======
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[](https://cirrus-ci.com/github/c-ares/c-ares)
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[](https://ci.appveyor.com/project/c-ares/c-ares/branch/master)
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[](https://coveralls.io/github/c-ares/c-ares?branch=master)
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[](https://bestpractices.coreinfrastructure.org/projects/291)
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[](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:c-ares)
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[](https://coderelease.io/github/repository/c-ares/c-ares)
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This is c-ares, an asynchronous resolver library. It is intended for
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applications which need to perform DNS queries without blocking, or need to
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perform multiple DNS queries in parallel. The primary examples of such
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applications are servers which communicate with multiple clients and programs
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with graphical user interfaces.
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The full source code is available in the ['c-ares' release archives](https://c-ares.org/download/),
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and in a git repository: https://github.com/c-ares/c-ares. See the
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[INSTALL.md](INSTALL.md) file for build information.
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If you find bugs, correct flaws, have questions or have comments in general in
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regard to c-ares (or by all means the original ares too), get in touch with us
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on the c-ares mailing list: https://lists.haxx.se/listinfo/c-ares
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c-ares is of course distributed under the same MIT-style license as the
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original ares.
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You'll find all c-ares details and news here:
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https://c-ares.org/
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Notes for c-ares hackers
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------------------------
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* The distributed `ares_build.h` file is only intended to be used on systems
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which can not run the also distributed configure script.
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* The distributed `ares_build.h` file is generated as a copy of `ares_build.h.dist`
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when the c-ares source code distribution archive file is originally created.
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* If you check out from git on a non-configure platform, you must run the
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appropriate `buildconf*` script to set up `ares_build.h` and other local files
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before being able to compile the library.
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* On systems capable of running the `configure` script, the `configure` process
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will overwrite the distributed `ares_build.h` file with one that is suitable
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and specific to the library being configured and built, this new file is
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generated from the `ares_build.h.in` template file.
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* If you intend to distribute an already compiled c-ares library you **MUST**
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also distribute along with it the generated `ares_build.h` which has been
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used to compile it. Otherwise the library will be of no use for the users of
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the library that you have built. It is **your** responsibility to provide this
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file. No one at the c-ares project can know how you have built the library.
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* File `ares_build.h` includes platform and configuration dependent info,
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and must not be modified by anyone. Configure script generates it for you.
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* We cannot assume anything else but very basic compiler features being
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present. While c-ares requires an ANSI C compiler to build, some of the
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earlier ANSI compilers clearly can't deal with some preprocessor operators.
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* Newlines must remain unix-style for older compilers' sake.
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* Comments must be written in the old-style /* unnested C-fashion */
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* Try to keep line lengths below 80 columns.
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