clang-tools 6.0.0

CloexecCreatCheck.cpp
Go to the documentation of this file.
1 //===--- CloexecCreatCheck.cpp - clang-tidy--------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "CloexecCreatCheck.h"
11 #include "clang/AST/ASTContext.h"
12 #include "clang/ASTMatchers/ASTMatchFinder.h"
13
14 using namespace clang::ast_matchers;
15
16 namespace clang {
17 namespace tidy {
18 namespace android {
19
20 void CloexecCreatCheck::registerMatchers(MatchFinder *Finder) {
21 auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
22 auto MODETType = hasType(namedDecl(hasName("mode_t")));
23 registerMatchersImpl(Finder,
24 functionDecl(isExternC(), returns(isInteger()),
25 hasName("creat"),
26 hasParameter(0, CharPointerType),
27 hasParameter(1, MODETType)));
28 }
29
30 void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) {
31 const std::string &ReplacementText =
32 (Twine("open (") + getSpellingArg(Result, 0) +
33 ", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " +
34 getSpellingArg(Result, 1) + ")")
35 .str();
36 replaceFunc(Result,
37 "prefer open() to creat() because open() allows O_CLOEXEC",
38 ReplacementText);
39 }
40
41 } // namespace android
42 } // namespace tidy
43 } // namespace clang
clang::ast_matchers
Definition: ClangTidyDiagnosticConsumer.h:27
CloexecCreatCheck.h
clang
Definition: AndroidTidyModule.cpp:28