File: arc-non-pod-memaccess.m

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-12~bpo8%2B1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 378,896 kB
  • sloc: cpp: 2,309,676; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,265; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (63 lines) | stat: -rw-r--r-- 3,680 bytes parent folder | download | duplicates (41)
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks -triple x86_64-apple-darwin10.0.0 %s
// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks -triple x86_64-apple-darwin10.0.0 %s

#ifdef __cplusplus
extern "C" {
#endif

void *memset(void *, int, __SIZE_TYPE__);
void *memmove(void *s1, const void *s2, __SIZE_TYPE__ n);
void *memcpy(void *s1, const void *s2, __SIZE_TYPE__ n);

#ifdef __cplusplus
}
#endif

void test(id __strong *sip, id __weak *wip, id __autoreleasing *aip,
          id __unsafe_unretained *uip, void *ptr) {
  // All okay.
  memset(sip, 0, 17);
  memset(wip, 0, 17);
  memset(aip, 0, 17);
  memset(uip, 0, 17);

  memcpy(sip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memcpy(wip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memcpy(aip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memcpy(uip, ptr, 17);

  memcpy(ptr, sip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memcpy(ptr, wip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memcpy(ptr, aip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memcpy(ptr, uip, 17);

  memmove(sip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memmove(wip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memmove(aip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memmove(uip, ptr, 17);

  memmove(ptr, sip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memmove(ptr, wip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memmove(ptr, aip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
                      // expected-note{{explicitly cast the pointer to silence this warning}}
  memmove(ptr, uip, 17);
}

void rdar9772982(int i, ...) {
    __builtin_va_list ap;
    
    __builtin_va_start(ap, i);
    __builtin_va_arg(ap, __strong id); // expected-error{{second argument to 'va_arg' is of ARC ownership-qualified type '__strong id'}}
    __builtin_va_end(ap);
}