clang-tools-extra/clang-tidy/android/CloexecFopenCheck.cpp

   1 //===--- CloexecFopenCheck.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 "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::tidy::android {
  18
  19 void CloexecFopenCheck::registerMatchers(MatchFinder *Finder) {
  20   auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
  21   registerMatchersImpl(Finder,
  22                        functionDecl(isExternC(), returns(asString("FILE *")),
  23                                     hasName("fopen"),
  24                                     hasParameter(0, CharPointerType),
  25                                     hasParameter(1, CharPointerType)));
  26 }
  27
  28 void CloexecFopenCheck::check(const MatchFinder::MatchResult &Result) {
  29   insertStringFlag(Result, /*Mode=*/'e', /*ArgPos=*/1);
  30 }
  31
  32 } // namespace clang::tidy::android