1 //===--- 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 
14 namespace clang::tidy::android {
15 
16 /// Finds code that opens file without using the O_CLOEXEC flag.
17 ///
18 /// open(), openat(), and open64() had better to include O_CLOEXEC in their
19 /// flags argument. Only consider simple cases that the corresponding argument
20 /// is constant or binary operation OR among constants like 'O_CLOEXEC' or
21 /// 'O_CLOEXEC | O_RDONLY'. No constant propagation is performed.
22 ///
23 /// Only the symbolic 'O_CLOEXEC' macro definition is checked, not the concrete
24 /// value.
25 class CloexecOpenCheck : public CloexecCheck {
26 public:
CloexecOpenCheck(StringRef Name,ClangTidyContext * Context)27   CloexecOpenCheck(StringRef Name, ClangTidyContext *Context)
28       : CloexecCheck(Name, Context) {}
29   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
30   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
31 };
32 
33 } // namespace clang::tidy::android
34 
35 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CLOEXEC_OPEN_H
36