1 //===--- LimitedRandomnessCheck.h - clang-tidy-------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::cert {
15 
16 /// Pseudorandom number generators are not genuinely random. The result of the
17 /// std::rand() function makes no guarantees as to the quality of the random
18 /// sequence produced.
19 /// This check warns for the usage of std::rand() function.
20 ///
21 /// For the user-facing documentation see:
22 /// http://clang.llvm.org/extra/clang-tidy/checks/cert/msc50-cpp.html
23 class LimitedRandomnessCheck : public ClangTidyCheck {
24 public:
LimitedRandomnessCheck(StringRef Name,ClangTidyContext * Context)25   LimitedRandomnessCheck(StringRef Name, ClangTidyContext *Context)
26       : ClangTidyCheck(Name, Context) {}
27   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
28   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
29 };
30 
31 } // namespace clang::tidy::cert
32 
33 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_LIMITED_RANDOMNESS_H
34