Jordan Rose | 9fe09f3 | 2013-03-09 00:59:10 +0000 | [diff] [blame] | 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 |