1 // Like the compiler, the static analyzer treats some functions differently if 2 // they come from a system header -- for example, it is assumed that system 3 // functions do not arbitrarily free() their parameters, and that some bugs 4 // found in system headers cannot be fixed by the user and should be 5 // suppressed. 6 #pragma clang system_header 7 8 typedef __typeof(sizeof(int)) size_t; 9 void *malloc(size_t); 10 void *calloc(size_t, size_t); 11 void free(void *); 12 13 14 #if __OBJC__ 15 16 #import "system-header-simulator-objc.h" 17 18 @interface Wrapper : NSData 19 - (id)initWithBytesNoCopy:(void *)bytes length:(NSUInteger)len; 20 @end 21 22 @implementation Wrapper 23 - (id)initWithBytesNoCopy:(void *)bytes length:(NSUInteger)len { 24 return [self initWithBytesNoCopy:bytes length:len freeWhenDone:1]; // no-warning 25 } 26 @end 27 28 @interface CustomData : NSData 29 + (id)somethingNoCopy:(char *)bytes; 30 + (id)somethingNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)freeBuffer; 31 + (id)something:(char *)bytes freeWhenDone:(BOOL)freeBuffer; 32 @end 33 34 #endif 35