jcai19 marked 2 inline comments as done.
jcai19 added inline comments.
================
Comment at: clang-tools-extra/clang-tidy/bugprone/PosixReturnCheck.cpp:49
+ diag(OperatorLoc, "POSIX functions (except posix_openpt) never return
negative values")
+ << FixItHint::CreateReplacement(OperatorLoc, Twine(">").str());
+ return;
----------------
gribozavr wrote:
> Please add tests for fix-its.
The fix-it is triggered when cases like posix_*(...) < 0 are detected (except
posix_openpt) , which are currently covered in the unit test. The test runtime
will make sure fix-its are applied.
================
Comment at: clang-tools-extra/test/clang-tidy/bugprone-posix-return.cpp:96
+ if (posix_fadvise(0, 0, 0, 0) < 0) {}
+ if (posix_fadvise(0, 0, 0, 0) >= 0) {} else {}
+ if (posix_fadvise(0, 0, 0, 0) == -1) {}
----------------
gribozavr wrote:
> Shouldn't there be a warning in the else branch?
This check only matches calls to the POSIX functions in the global scope, not
member functions or functions defined within namespaces. Although in the global
scope, this particular case will still pass as there won't be a ``<`` binary
operator for the else branch so no matching will happen.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63623/new/
https://reviews.llvm.org/D63623
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