Home | History | Annotate | Download | only in SemaObjC
      1 // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks -triple x86_64-apple-darwin10.0.0 %s
      2 // RUN: %clang_cc1 -x objective-c++ -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks -triple x86_64-apple-darwin10.0.0 %s
      3 
      4 #ifdef __cplusplus
      5 extern "C" {
      6 #endif
      7 
      8 void *memset(void *, int, __SIZE_TYPE__);
      9 void *memmove(void *s1, const void *s2, __SIZE_TYPE__ n);
     10 void *memcpy(void *s1, const void *s2, __SIZE_TYPE__ n);
     11 
     12 #ifdef __cplusplus
     13 }
     14 #endif
     15 
     16 void test(id __strong *sip, id __weak *wip, id __autoreleasing *aip,
     17           id __unsafe_unretained *uip, void *ptr) {
     18   // All okay.
     19   memset(sip, 0, 17);
     20   memset(wip, 0, 17);
     21   memset(aip, 0, 17);
     22   memset(uip, 0, 17);
     23 
     24   memcpy(sip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
     25                       // expected-note{{explicitly cast the pointer to silence this warning}}
     26   memcpy(wip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
     27                       // expected-note{{explicitly cast the pointer to silence this warning}}
     28   memcpy(aip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
     29                       // expected-note{{explicitly cast the pointer to silence this warning}}
     30   memcpy(uip, ptr, 17);
     31 
     32   memcpy(ptr, sip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
     33                       // expected-note{{explicitly cast the pointer to silence this warning}}
     34   memcpy(ptr, wip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
     35                       // expected-note{{explicitly cast the pointer to silence this warning}}
     36   memcpy(ptr, aip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
     37                       // expected-note{{explicitly cast the pointer to silence this warning}}
     38   memcpy(ptr, uip, 17);
     39 
     40   memmove(sip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
     41                       // expected-note{{explicitly cast the pointer to silence this warning}}
     42   memmove(wip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
     43                       // expected-note{{explicitly cast the pointer to silence this warning}}
     44   memmove(aip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
     45                       // expected-note{{explicitly cast the pointer to silence this warning}}
     46   memmove(uip, ptr, 17);
     47 
     48   memmove(ptr, sip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
     49                       // expected-note{{explicitly cast the pointer to silence this warning}}
     50   memmove(ptr, wip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
     51                       // expected-note{{explicitly cast the pointer to silence this warning}}
     52   memmove(ptr, aip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
     53                       // expected-note{{explicitly cast the pointer to silence this warning}}
     54   memmove(ptr, uip, 17);
     55 }
     56 
     57 void rdar9772982(int i, ...) {
     58     __builtin_va_list ap;
     59     
     60     __builtin_va_start(ap, i);
     61     __builtin_va_arg(ap, __strong id); // expected-error{{second argument to 'va_arg' is of ARC ownership-qualified type '__strong id'}}
     62     __builtin_va_end(ap);
     63 }
     64