clang-tools  15.0.0git
CloexecPipeCheck.cpp
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1 //===--- CloexecPipeCheck.cpp - clang-tidy---------------------------------===//
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 #include "CloexecPipeCheck.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang {
16 namespace tidy {
17 namespace android {
18 
19 void CloexecPipeCheck::registerMatchers(MatchFinder *Finder) {
20  registerMatchersImpl(Finder,
21  functionDecl(returns(isInteger()), hasName("pipe"),
22  hasParameter(0, hasType(pointsTo(isInteger())))));
23 }
24 
25 void CloexecPipeCheck::check(const MatchFinder::MatchResult &Result) {
26  std::string ReplacementText =
27  (Twine("pipe2(") + getSpellingArg(Result, 0) + ", O_CLOEXEC)").str();
28 
29  replaceFunc(
30  Result,
31  "prefer pipe2() with O_CLOEXEC to avoid leaking file descriptors to child processes",
32  ReplacementText);
33 }
34 
35 } // namespace android
36 } // namespace tidy
37 } // namespace clang
clang::clangd::check
bool check(llvm::StringRef File, llvm::Optional< Range > LineRange, const ThreadsafeFS &TFS, const ClangdLSPServer::Options &Opts, bool EnableCodeCompletion)
Definition: Check.cpp:273
clang::ast_matchers
Definition: AbseilMatcher.h:14
CloexecPipeCheck.h
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27