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

   1 //===--- CloexecSocketCheck.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 "CloexecSocketCheck.h"
  10 #include "clang/AST/ASTContext.h"
  11 #include "clang/ASTMatchers/ASTMatchFinder.h"
  12
  13 using namespace clang::ast_matchers;
  14
  15 namespace clang::tidy::android {
  16
  17 void CloexecSocketCheck::registerMatchers(MatchFinder *Finder) {
  18   registerMatchersImpl(Finder,
  19                        functionDecl(isExternC(), returns(isInteger()),
  20                                     hasName("socket"),
  21                                     hasParameter(0, hasType(isInteger())),
  22                                     hasParameter(1, hasType(isInteger())),
  23                                     hasParameter(2, hasType(isInteger()))));
  24 }
  25
  26 void CloexecSocketCheck::check(const MatchFinder::MatchResult &Result) {
  27   insertMacroFlag(Result, /*MacroFlag=*/"SOCK_CLOEXEC", /*ArgPos=*/1);
  28 }
  29
  30 } // namespace clang::tidy::android