[PATCH] D77066: [analyzer] ApiModeling: Add buffer size arg constraint

[Gabor Marton via Phabricator via cfe-commits]

martong created this revision.
martong added reviewers: NoQ, Szelethus, Charusso, steakhal.
Herald added subscribers: cfe-commits, ASDenysPetrov, gamesh411, dkrupp, donat.nagy, mikhail.ramalho, a.sidorin, rnkovacs, szepet, baloghadamsoftware, xazax.hun, whisperity.
Herald added a project: clang.
martong added a parent revision: D76790: [analyzer] StdLibraryFunctionsChecker: fix bug with arg constraints.

Introducing a new argument constraint to confine buffer sizes. It is typical in
C APIs that a parameter represents a buffer and another param holds the size of
the buffer (or the size of the data we want to handle from the buffer).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77066

Files:
  clang/include/clang/StaticAnalyzer/Core/PathSensitive/DynamicSize.h
  clang/lib/StaticAnalyzer/Checkers/CheckPlacementNew.cpp
  clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
  clang/lib/StaticAnalyzer/Core/DynamicSize.cpp
  clang/test/Analysis/std-c-library-functions-arg-constraints.c

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