forked from OSchip/llvm-project
43 lines
2.1 KiB
C
43 lines
2.1 KiB
C
// RUN: %check_clang_tidy %s misc-non-copyable-objects %t
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typedef struct FILE {} FILE;
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typedef struct pthread_cond_t {} pthread_cond_t;
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typedef int pthread_mutex_t;
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// CHECK-MESSAGES: :[[@LINE+1]]:13: warning: 'f' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'? [misc-non-copyable-objects]
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void g(FILE f);
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// CHECK-MESSAGES: :[[@LINE+1]]:24: warning: 'm' declared as type 'pthread_mutex_t', which is unsafe to copy; did you mean 'pthread_mutex_t *'?
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void h(pthread_mutex_t m);
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// CHECK-MESSAGES: :[[@LINE+1]]:23: warning: 'c' declared as type 'pthread_cond_t', which is unsafe to copy; did you mean 'pthread_cond_t *'?
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void i(pthread_cond_t c);
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struct S {
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pthread_cond_t c; // ok
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// CHECK-MESSAGES: :[[@LINE+1]]:8: warning: 'f' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
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FILE f;
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};
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void func(FILE *f) {
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// CHECK-MESSAGES: :[[@LINE+1]]:8: warning: 'f1' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
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FILE f1; // match
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// CHECK-MESSAGES: :[[@LINE+2]]:8: warning: 'f2' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
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// CHECK-MESSAGES: :[[@LINE+1]]:13: warning: expression has opaque data structure type 'FILE'; type should only be used as a pointer and not dereferenced
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FILE f2 = *f;
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// CHECK-MESSAGES: :[[@LINE+1]]:15: warning: 'f3' declared as type 'FILE', which is unsafe to copy; did you mean 'FILE *'?
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struct FILE f3;
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// CHECK-MESSAGES: :[[@LINE+1]]:16: warning: expression has opaque data structure type 'FILE'; type should only be used as a pointer and not dereferenced
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(void)sizeof(*f);
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(void)sizeof(FILE);
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// CHECK-MESSAGES: :[[@LINE+1]]:5: warning: expression has opaque data structure type 'FILE'; type should only be used as a pointer and not dereferenced
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g(*f);
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pthread_mutex_t m; // ok
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h(m); // ok
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pthread_cond_t c; // ok
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i(c); // ok
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pthread_mutex_t *m1 = &m; // ok
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// CHECK-MESSAGES: :[[@LINE+1]]:5: warning: expression has opaque data structure type 'pthread_mutex_t'; type should only be used as a pointer and not dereferenced
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h(*m1);
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} |