33 lines · cpp
1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "CloexecPipeCheck.h"10#include "clang/ASTMatchers/ASTMatchFinder.h"11 12using namespace clang::ast_matchers;13 14namespace clang::tidy::android {15 16void CloexecPipeCheck::registerMatchers(MatchFinder *Finder) {17 registerMatchersImpl(18 Finder, functionDecl(returns(isInteger()), hasName("pipe"),19 hasParameter(0, hasType(pointsTo(isInteger())))));20}21 22void CloexecPipeCheck::check(const MatchFinder::MatchResult &Result) {23 const std::string ReplacementText =24 (Twine("pipe2(") + getSpellingArg(Result, 0) + ", O_CLOEXEC)").str();25 26 replaceFunc(Result,27 "prefer pipe2() with O_CLOEXEC to avoid leaking file descriptors "28 "to child processes",29 ReplacementText);30}31 32} // namespace clang::tidy::android33