clang-tools 10.0.0

CloexecCreatCheck.cpp
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1 //===--- CloexecCreatCheck.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 "CloexecCreatCheck.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 CloexecCreatCheck::registerMatchers(MatchFinder *Finder) {
20 auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
21 auto MODETType = hasType(namedDecl(hasName("mode_t")));
22 registerMatchersImpl(Finder,
23 functionDecl(isExternC(), returns(isInteger()),
24 hasName("creat"),
25 hasParameter(0, CharPointerType),
26 hasParameter(1, MODETType)));
27 }
28
29 void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) {
30 const std::string &ReplacementText =
31 (Twine("open (") + getSpellingArg(Result, 0) +
32 ", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " +
33 getSpellingArg(Result, 1) + ")")
34 .str();
35 replaceFunc(Result,
36 "prefer open() to creat() because open() allows O_CLOEXEC",
37 ReplacementText);
38 }
39
40 } // namespace android
41 } // namespace tidy
42 } // namespace clang
clang::ast_matchers
Definition: AbseilMatcher.h:14
CloexecCreatCheck.h
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27