1 //===--- CloexecFopenCheck.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 #include "CloexecFopenCheck.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/AST/Type.h"
12 #include "clang/ASTMatchers/ASTMatchFinder.h"
13 #include "clang/Lex/Lexer.h"
14 
15 using namespace clang::ast_matchers;
16 
17 namespace clang {
18 namespace tidy {
19 namespace android {
20 
21 void CloexecFopenCheck::registerMatchers(MatchFinder *Finder) {
22   auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
23   registerMatchersImpl(Finder,
24                        functionDecl(isExternC(), returns(asString("FILE *")),
25                                     hasName("fopen"),
26                                     hasParameter(0, CharPointerType),
27                                     hasParameter(1, CharPointerType)));
28 }
29 
30 void CloexecFopenCheck::check(const MatchFinder::MatchResult &Result) {
31   insertStringFlag(Result, /*Mode=*/'e', /*ArgPos=*/1);
32 }
33 
34 } // namespace android
35 } // namespace tidy
36 } // namespace clang
37