File: misc-non-copyable-objects.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8%2Bdeb10u2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 734,616 kB
  • sloc: cpp: 3,776,926; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; javascript: 518; ruby: 156
file content (26 lines) | stat: -rw-r--r-- 1,276 bytes parent folder | download | duplicates (38)
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
}