File: non-copyable-objects.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (26 lines) | stat: -rw-r--r-- 1,276 bytes parent folder | download | duplicates (34)
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
// RUN: %check_clang_tidy %s misc-non-copyable-objects %t

namespace std {
typedef struct FILE {} FILE;
}
using namespace std;

// CHECK-MESSAGES: :[[@LINE+1]]:18: warning: 'f' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'? [misc-non-copyable-objects]
void g(std::FILE f);

struct S {
  // CHECK-MESSAGES: :[[@LINE+1]]:10: warning: 'f' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
  ::FILE f;
};

void func(FILE *f) {
  // CHECK-MESSAGES: :[[@LINE+1]]:13: warning: 'f1' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
  std::FILE f1; // match
  // CHECK-MESSAGES: :[[@LINE+2]]:10: warning: 'f2' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
  // CHECK-MESSAGES: :[[@LINE+1]]:15: warning: expression has opaque data structure type 'FILE'; type should only be used as a pointer and not dereferenced
  ::FILE f2 = *f; // match, match
  // CHECK-MESSAGES: :[[@LINE+1]]:15: warning: 'f3' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
  struct FILE f3; // match
  // CHECK-MESSAGES: :[[@LINE+1]]:16: warning: expression has opaque data structure type 'FILE'; type should only be used as a pointer and not dereferenced
  (void)sizeof(*f); // match
}