| //===--- CloexecCreatCheck.cpp - clang-tidy--------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CloexecCreatCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| namespace android { |
| |
| void CloexecCreatCheck::registerMatchers(MatchFinder *Finder) { |
| auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter()))); |
| auto MODETType = hasType(namedDecl(hasName("mode_t"))); |
| registerMatchersImpl(Finder, |
| functionDecl(isExternC(), returns(isInteger()), |
| hasName("creat"), |
| hasParameter(0, CharPointerType), |
| hasParameter(1, MODETType))); |
| } |
| |
| void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) { |
| const std::string &ReplacementText = |
| (Twine("open (") + getSpellingArg(Result, 0) + |
| ", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " + |
| getSpellingArg(Result, 1) + ")") |
| .str(); |
| replaceFunc(Result, |
| "prefer open() to creat() because open() allows O_CLOEXEC", |
| ReplacementText); |
| } |
| |
| } // namespace android |
| } // namespace tidy |
| } // namespace clang |