| //===--- CloexecPipeCheck.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 "CloexecPipeCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| namespace android { |
| |
| void CloexecPipeCheck::registerMatchers(MatchFinder *Finder) { |
| registerMatchersImpl(Finder, |
| functionDecl(returns(isInteger()), hasName("pipe"), |
| hasParameter(0, hasType(pointsTo(isInteger()))))); |
| } |
| |
| void CloexecPipeCheck::check(const MatchFinder::MatchResult &Result) { |
| std::string ReplacementText = |
| (Twine("pipe2(") + getSpellingArg(Result, 0) + ", O_CLOEXEC)").str(); |
| |
| replaceFunc( |
| Result, |
| "prefer pipe2() with O_CLOEXEC to avoid leaking file descriptors to child processes", |
| ReplacementText); |
| } |
| |
| } // namespace android |
| } // namespace tidy |
| } // namespace clang |