1//===--- CloexecDupCheck.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 "CloexecDupCheck.h"
10#include "clang/ASTMatchers/ASTMatchFinder.h"
11
12using namespace clang::ast_matchers;
13
14namespace clang::tidy::android {
15
16void CloexecDupCheck::registerMatchers(MatchFinder *Finder) {
17 registerMatchersImpl(Finder,
18 Function: functionDecl(returns(InnerMatcher: isInteger()), hasName(Name: "dup"),
19 hasParameter(N: 0, InnerMatcher: hasType(InnerMatcher: isInteger()))));
20}
21
22void CloexecDupCheck::check(const MatchFinder::MatchResult &Result) {
23 std::string ReplacementText =
24 (Twine("fcntl(") + getSpellingArg(Result, N: 0) + ", F_DUPFD_CLOEXEC)")
25 .str();
26
27 replaceFunc(Result,
28 WarningMsg: "prefer fcntl() to dup() because fcntl() allows F_DUPFD_CLOEXEC",
29 FixMsg: ReplacementText);
30}
31
32} // namespace clang::tidy::android
33

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