| 1 | //===--- CloexecCreatCheck.cpp - clang-tidy--------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "CloexecCreatCheck.h" |
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| 10 | #include "clang/AST/ASTContext.h" |
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| 11 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
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| 12 | |
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| 13 | using namespace clang::ast_matchers; |
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| 14 | |
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| 15 | namespace clang::tidy::android { |
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| 16 | |
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| 17 | void CloexecCreatCheck::registerMatchers(MatchFinder *Finder) { |
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| 18 | auto CharPointerType = hasType(InnerMatcher: pointerType(pointee(isAnyCharacter()))); |
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| 19 | auto MODETType = hasType(InnerMatcher: namedDecl(hasName(Name: "mode_t" ))); |
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| 20 | registerMatchersImpl(Finder, |
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| 21 | Function: functionDecl(isExternC(), returns(InnerMatcher: isInteger()), |
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| 22 | hasName(Name: "creat" ), |
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| 23 | hasParameter(N: 0, InnerMatcher: CharPointerType), |
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| 24 | hasParameter(N: 1, InnerMatcher: MODETType))); |
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| 25 | } |
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| 26 | |
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| 27 | void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) { |
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| 28 | const std::string &ReplacementText = |
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| 29 | (Twine("open (" ) + getSpellingArg(Result, N: 0) + |
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| 30 | ", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " + |
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| 31 | getSpellingArg(Result, N: 1) + ")" ) |
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| 32 | .str(); |
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| 33 | replaceFunc(Result, |
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| 34 | WarningMsg: "prefer open() to creat() because open() allows O_CLOEXEC" , |
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| 35 | FixMsg: ReplacementText); |
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| 36 | } |
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| 37 | |
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| 38 | } // namespace clang::tidy::android |
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| 39 | |
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