LimitedRandomnessCheck.h

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//===--- LimitedRandomnessCheck.h - clang-tidy-------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H
 
#include "../ClangTidyCheck.h"
 
namespace clang::tidy::cert {
 
/// Pseudorandom number generators are not genuinely random. The result of the
/// std::rand() function makes no guarantees as to the quality of the random
/// sequence produced.
/// This check warns for the usage of std::rand() function.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/cert/msc50-cpp.html
class LimitedRandomnessCheck : public ClangTidyCheck {
public:
  LimitedRandomnessCheck(StringRef Name, ClangTidyContext *Context)
      : ClangTidyCheck(Name, Context) {}
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
};
 
} // namespace clang::tidy::cert
 
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H