File: android-cloexec-dup.cpp

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (31 lines) | stat: -rw-r--r-- 630 bytes parent folder | download | duplicates (27)
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
// RUN: %check_clang_tidy %s android-cloexec-dup %t

extern "C" int dup(int oldfd);
void f() {
  dup(1);
  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: prefer fcntl() to dup() because fcntl() allows F_DUPFD_CLOEXEC [android-cloexec-dup]
  // CHECK-FIXES: fcntl(1, F_DUPFD_CLOEXEC);
  int oldfd = 0;
  dup(oldfd);
  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: prefer
  // CHECK-FIXES: fcntl(oldfd, F_DUPFD_CLOEXEC);
}

namespace i {
int dup(int oldfd);
void g() {
  dup(0);
  int oldfd = 1;
  dup(oldfd);
}
} // namespace i

class C {
public:
  int dup(int oldfd);
  void h() {
    dup(0);
    int oldfd = 1;
    dup(oldfd);
  }
};