File: android-cloexec-dup.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
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);
  }
};