1// RUN: %clang_cc1 -fsyntax-only -fobjc-arc -verify %s 2 3#if __has_feature(arc_cf_code_audited) 4char _global[-1]; // expected-error {{declared as an array with a negative size}} 5#endif 6 7typedef const void *CFTypeRef; 8CFTypeRef CFBridgingRetain(id X); 9id CFBridgingRelease(CFTypeRef); 10typedef const struct __CFString *CFStringRef; 11 12extern CFStringRef CFMakeString0(void); 13#pragma clang arc_cf_code_audited begin 14extern CFStringRef CFCreateString0(void); 15#pragma clang arc_cf_code_audited end 16void test0(void) { 17 id x; 18 x = (id) CFMakeString0(); // expected-error {{requires a bridged cast}} expected-note {{__bridge to convert directly}} expected-note {{CFBridgingRelease call to transfer}} 19 x = (id) CFCreateString0(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} 20} 21 22extern CFStringRef CFMakeString1(void) __attribute__((cf_returns_not_retained)); 23extern CFStringRef CFCreateString1(void) __attribute__((cf_returns_retained)); 24void test1(void) { 25 id x; 26 x = (id) CFMakeString1(); 27 x = (id) CFCreateString1(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} 28} 29 30#define CF_AUDIT_BEGIN _Pragma("clang arc_cf_code_audited begin") 31#define CF_AUDIT_END _Pragma("clang arc_cf_code_audited end") 32#define CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) 33#define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained)) 34 35CF_AUDIT_BEGIN 36extern CFStringRef CFMakeString2(void); 37extern CFStringRef CFCreateString2(void) CF_RETURNS_NOT_RETAINED; 38extern CFStringRef CFMakeString3(void) CF_RETURNS_RETAINED; 39extern CFStringRef CFCreateString3(void); 40CF_AUDIT_END 41void test2(void) { 42 id x; 43 x = (id) CFMakeString2(); 44 x = (id) CFCreateString2(); 45 x = (id) CFMakeString3(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} 46 x = (id) CFCreateString3(); // expected-error {{requires a bridged cast}} expected-note {{CFBridgingRelease call to transfer}} 47} 48 49@interface NSString @end 50typedef signed int SInt32; 51#pragma clang arc_cf_code_audited begin 52extern SInt32 CFStringGetIntValue(CFStringRef str); // expected-note {{passing argument to parameter 'str' here}} 53#pragma clang arc_cf_code_audited end 54 55void test3(void) { 56 NSString* answer = @"42"; 57 int ans = CFStringGetIntValue(answer); // expected-error {{incompatible pointer types passing retainable parameter of type 'NSString *__strong'to a CF function expecting 'CFStringRef'}} 58} 59