1//===--- CloexecAccept4Check.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 "CloexecAccept4Check.h"
10#include "../utils/ASTUtils.h"
11#include "clang/AST/ASTContext.h"
12#include "clang/ASTMatchers/ASTMatchFinder.h"
13
14using namespace clang::ast_matchers;
15
16namespace clang::tidy::android {
17
18void CloexecAccept4Check::registerMatchers(MatchFinder *Finder) {
19 auto SockAddrPointerType =
20 hasType(InnerMatcher: pointsTo(InnerMatcher: recordDecl(isStruct(), hasName(Name: "sockaddr"))));
21 auto SockLenPointerType = hasType(InnerMatcher: pointsTo(InnerMatcher: namedDecl(hasName(Name: "socklen_t"))));
22
23 registerMatchersImpl(Finder,
24 Function: functionDecl(returns(InnerMatcher: isInteger()), hasName(Name: "accept4"),
25 hasParameter(N: 0, InnerMatcher: hasType(InnerMatcher: isInteger())),
26 hasParameter(N: 1, InnerMatcher: SockAddrPointerType),
27 hasParameter(N: 2, InnerMatcher: SockLenPointerType),
28 hasParameter(N: 3, InnerMatcher: hasType(InnerMatcher: isInteger()))));
29}
30
31void CloexecAccept4Check::check(const MatchFinder::MatchResult &Result) {
32 insertMacroFlag(Result, /*MacroFlag=*/"SOCK_CLOEXEC", /*ArgPos=*/3);
33}
34
35} // namespace clang::tidy::android
36

source code of clang-tools-extra/clang-tidy/android/CloexecAccept4Check.cpp