llvm-project/clang-tools-extra/clang-tidy/cert/LimitedRandomnessCheck.h

38 lines
1.4 KiB
C++

//===--- 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 {
namespace tidy {
namespace 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 cert
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H