1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
//===--- CloexecCreatCheck.cpp - clang-tidy--------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "CloexecCreatCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace android {
void CloexecCreatCheck::registerMatchers(MatchFinder *Finder) {
auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
auto MODETType = hasType(namedDecl(hasName("mode_t")));
registerMatchersImpl(Finder,
functionDecl(isExternC(), returns(isInteger()),
hasName("creat"),
hasParameter(0, CharPointerType),
hasParameter(1, MODETType)));
}
void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) {
const std::string &ReplacementText =
(Twine("open (") + getSpellingArg(Result, 0) +
", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " +
getSpellingArg(Result, 1) + ")")
.str();
replaceFunc(Result,
"prefer open() to creat() because open() allows O_CLOEXEC",
ReplacementText);
}
} // namespace android
} // namespace tidy
} // namespace clang
|
