3373e84539
The check warns on suspicious calls to `memcmp`. It currently checks for comparing types that do not have unique object representations or are non-standard-layout. Based on https://wiki.sei.cmu.edu/confluence/display/c/EXP42-C.+Do+not+compare+padding+data https://wiki.sei.cmu.edu/confluence/display/c/FLP37-C.+Do+not+use+object+representations+to+compare+floating-point+values and part of https://wiki.sei.cmu.edu/confluence/display/cplusplus/OOP57-CPP.+Prefer+special+member+functions+and+overloaded+operators+to+C+Standard+Library+functions Add alias `cert-exp42-c` and `cert-flp37-c`. Some tests are currently failing at head, the check depends on D89649. Originally started in D71973 Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D89651
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====================================================
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Extra Clang Tools 14.0.0 (In-Progress) Release Notes
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====================================================
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.. contents::
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:local:
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:depth: 3
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Written by the `LLVM Team <https://llvm.org/>`_
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.. warning::
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These are in-progress notes for the upcoming Extra Clang Tools 14 release.
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Release notes for previous releases can be found on
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`the Download Page <https://releases.llvm.org/download.html>`_.
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Introduction
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============
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This document contains the release notes for the Extra Clang Tools, part of the
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Clang release 14.0.0. Here we describe the status of the Extra Clang Tools in
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some detail, including major improvements from the previous release and new
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feature work. All LLVM releases may be downloaded from the `LLVM releases web
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site <https://llvm.org/releases/>`_.
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For more information about Clang or LLVM, including information about
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the latest release, please see the `Clang Web Site <https://clang.llvm.org>`_ or
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the `LLVM Web Site <https://llvm.org>`_.
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Note that if you are reading this file from a Git checkout or the
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main Clang web page, this document applies to the *next* release, not
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the current one. To see the release notes for a specific release, please
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see the `releases page <https://llvm.org/releases/>`_.
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What's New in Extra Clang Tools 14.0.0?
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=======================================
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Some of the major new features and improvements to Extra Clang Tools are listed
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here. Generic improvements to Extra Clang Tools as a whole or to its underlying
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infrastructure are described first, followed by tool-specific sections.
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Major New Features
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------------------
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...
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Improvements to clangd
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----------------------
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The improvements are...
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Improvements to clang-doc
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-------------------------
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The improvements are...
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Improvements to clang-query
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---------------------------
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The improvements are...
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Improvements to clang-rename
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----------------------------
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The improvements are...
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Improvements to clang-tidy
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--------------------------
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The improvements are...
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New checks
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^^^^^^^^^^
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- New :doc:`bugprone-suspicious-memory-comparison
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<clang-tidy/checks/bugprone-suspicious-memory-comparison>` check.
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Finds potentially incorrect calls to ``memcmp()`` based on properties of the arguments.
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- New :doc:`readability-identifier-length
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<clang-tidy/checks/readability-identifier-length>` check.
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Reports identifiers whose names are too short. Currently checks local variables and function parameters only.
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New check aliases
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^^^^^^^^^^^^^^^^^
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- New alias :doc:`cert-exp42-c
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<clang-tidy/checks/cert-exp42-c>` to
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:doc:`bugprone-suspicious-memory-comparison
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<clang-tidy/checks/bugprone-suspicious-memory-comparison>` was added.
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- New alias :doc:`cert-flp37-c
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<clang-tidy/checks/cert-flp37-c>` to
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:doc:`bugprone-suspicious-memory-comparison
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<clang-tidy/checks/bugprone-suspicious-memory-comparison>` was added.
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Changes in existing checks
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^^^^^^^^^^^^^^^^^^^^^^^^^^
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Removed checks
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^^^^^^^^^^^^^^
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Improvements to include-fixer
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-----------------------------
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The improvements are...
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Improvements to clang-include-fixer
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-----------------------------------
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The improvements are...
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Improvements to modularize
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--------------------------
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The improvements are...
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Improvements to pp-trace
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------------------------
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The improvements are...
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Clang-tidy visual studio plugin
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-------------------------------
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