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Olivier Deprezf4ef2d02021-04-20 13:36:24 +02001//===--- CloexecOpenCheck.h - 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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_OPEN_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_OPEN_H
11
12#include "CloexecCheck.h"
13
14namespace clang {
15namespace tidy {
16namespace android {
17
18/// Finds code that opens file without using the O_CLOEXEC flag.
19///
20/// open(), openat(), and open64() had better to include O_CLOEXEC in their
21/// flags argument. Only consider simple cases that the corresponding argument
22/// is constant or binary operation OR among constants like 'O_CLOEXEC' or
23/// 'O_CLOEXEC | O_RDONLY'. No constant propagation is performed.
24///
25/// Only the symbolic 'O_CLOEXEC' macro definition is checked, not the concrete
26/// value.
27class CloexecOpenCheck : public CloexecCheck {
28public:
29 CloexecOpenCheck(StringRef Name, ClangTidyContext *Context)
30 : CloexecCheck(Name, Context) {}
31 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
32 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
33};
34
35} // namespace android
36} // namespace tidy
37} // namespace clang
38
39#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_OPEN_H