clang-tidy/linuxkernel/MustCheckErrsCheck.h

0001 //===--- MustCheckErrsCheck.h - clang-tidy ----------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_LINUXKERNEL_MUSTCHECKERRSCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_LINUXKERNEL_MUSTCHECKERRSCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::linuxkernel {
0015
0016 /// Checks Linux kernel code to see if it uses the results from the functions in
0017 /// linux/err.h. Also checks to see if code uses the results from functions that
0018 /// directly return a value from one of these error functions.
0019 ///
0020 /// For the user-facing documentation see:
0021 /// http://clang.llvm.org/extra/clang-tidy/checks/linuxkernel/must-check-errs.html
0022 class MustCheckErrsCheck : public ClangTidyCheck {
0023 public:
0024   MustCheckErrsCheck(StringRef Name, ClangTidyContext *Context)
0025       : ClangTidyCheck(Name, Context) {}
0026   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0027   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0028 };
0029
0030 } // namespace clang::tidy::linuxkernel
0031
0032 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_LINUXKERNEL_MUSTCHECKERRSCHECK_H