forked from OSchip/llvm-project
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
//===--- CloexecCreatCheck.cpp - clang-tidy--------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "CloexecCreatCheck.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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using namespace clang::ast_matchers;
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namespace clang {
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namespace tidy {
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namespace android {
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void CloexecCreatCheck::registerMatchers(MatchFinder *Finder) {
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auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
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auto MODETType = hasType(namedDecl(hasName("mode_t")));
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registerMatchersImpl(Finder,
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functionDecl(isExternC(), returns(isInteger()),
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hasName("creat"),
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hasParameter(0, CharPointerType),
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hasParameter(1, MODETType)));
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}
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void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) {
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const std::string &ReplacementText =
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(Twine("open (") + getSpellingArg(Result, 0) +
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", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " +
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getSpellingArg(Result, 1) + ")")
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.str();
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replaceFunc(Result,
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"prefer open() to creat() because open() allows O_CLOEXEC",
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ReplacementText);
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}
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} // namespace android
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} // namespace tidy
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} // namespace clang
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