CloexecFopenCheck.cpp

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//===--- CloexecFopenCheck.cpp - clang-tidy--------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#include "CloexecFopenCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Type.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Lex/Lexer.h"
 
using namespace clang::ast_matchers;
 
namespace clang::tidy::android {
 
void CloexecFopenCheck::registerMatchers(MatchFinder *Finder) {
  auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
  registerMatchersImpl(Finder,
                       functionDecl(isExternC(), returns(asString("FILE *")),
                                    hasName("fopen"),
                                    hasParameter(0, CharPointerType),
                                    hasParameter(1, CharPointerType)));
}
 
void CloexecFopenCheck::check(const MatchFinder::MatchResult &Result) {
  insertStringFlag(Result, /*Mode=*/'e', /*ArgPos=*/1);
}
 
} // namespace clang::tidy::android