[PATCH] D66049: Fixes Bug 41729 and improves strlcat and strlcpy modeling

[Daniel Krupp via Phabricator via cfe-commits]

dkrupp created this revision.
dkrupp added reviewers: NoQ, Szelethus, gamesh411.
Herald added subscribers: cfe-commits, rnkovacs.
Herald added a project: clang.

Fixes Bug 41729 (https://bugs.llvm.org/show_bug.cgi?id=41729)
 and the following errors:

  -Fixes false positive reports of strlcat
  -The return value of strlcat and strlcpy is now correctly calculated
  -The resulting string length of strlcat and strlcpy is now correctly calculated


Repository:
  rC Clang

https://reviews.llvm.org/D66049

Files:
  lib/StaticAnalyzer/Checkers/CStringChecker.cpp
  test/Analysis/bsd-string.c
  test/Analysis/cstring-syntax.c

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