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 { 15 namespace tidy { 16 namespace 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. 27 class CloexecOpenCheck : public CloexecCheck { 28 public: CloexecOpenCheck(StringRef Name,ClangTidyContext * Context)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 40