forked from OSchip/llvm-project
208 lines
9.2 KiB
Objective-C
208 lines
9.2 KiB
Objective-C
// RUN: %clang_cc1 -analyze -checker-cfref -analyzer-store=region -verify %s
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// The following code is reduced using delta-debugging from
|
|
// Foundation.h (Mac OS X).
|
|
//
|
|
// It includes the basic definitions for the test cases below.
|
|
// Not including Foundation.h directly makes this test case both svelte and
|
|
// portable to non-Mac platforms.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
typedef unsigned int __darwin_natural_t;
|
|
typedef unsigned long UInt32;
|
|
typedef signed long CFIndex;
|
|
typedef const void * CFTypeRef;
|
|
typedef const struct __CFString * CFStringRef;
|
|
typedef const struct __CFAllocator * CFAllocatorRef;
|
|
extern const CFAllocatorRef kCFAllocatorDefault;
|
|
extern CFTypeRef CFRetain(CFTypeRef cf);
|
|
extern void CFRelease(CFTypeRef cf);
|
|
typedef struct {
|
|
}
|
|
CFArrayCallBacks;
|
|
extern const CFArrayCallBacks kCFTypeArrayCallBacks;
|
|
typedef const struct __CFArray * CFArrayRef;
|
|
typedef struct __CFArray * CFMutableArrayRef;
|
|
extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks);
|
|
extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx);
|
|
typedef const struct __CFDictionary * CFDictionaryRef;
|
|
typedef UInt32 CFStringEncoding;
|
|
enum {
|
|
kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500, kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01, kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100, kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF , kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100, kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100, kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100 };
|
|
extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
|
|
typedef double CFTimeInterval;
|
|
typedef CFTimeInterval CFAbsoluteTime;
|
|
typedef const struct __CFDate * CFDateRef;
|
|
extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at);
|
|
extern CFAbsoluteTime CFDateGetAbsoluteTime(CFDateRef theDate);
|
|
typedef __darwin_natural_t natural_t;
|
|
typedef natural_t mach_port_name_t;
|
|
typedef mach_port_name_t mach_port_t;
|
|
typedef signed char BOOL;
|
|
typedef struct _NSZone NSZone;
|
|
@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
|
|
@protocol NSObject
|
|
- (BOOL)isEqual:(id)object;
|
|
- (id)retain;
|
|
- (oneway void)release;
|
|
@end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone;
|
|
@end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
|
|
@end
|
|
@interface NSObject <NSObject> {}
|
|
+ (id)allocWithZone:(NSZone *)zone;
|
|
+ (id)alloc;
|
|
- (void)dealloc;
|
|
@end
|
|
typedef float CGFloat;
|
|
typedef double NSTimeInterval;
|
|
@interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate;
|
|
@end enum {
|
|
NSObjCNoType = 0, NSObjCVoidType = 'v', NSObjCCharType = 'c', NSObjCShortType = 's', NSObjCLongType = 'l', NSObjCLonglongType = 'q', NSObjCFloatType = 'f', NSObjCDoubleType = 'd', NSObjCBoolType = 'B', NSObjCSelectorType = ':', NSObjCObjectType = '@', NSObjCStructType = '{', NSObjCPointerType = '^', NSObjCStringType = '*', NSObjCArrayType = '[', NSObjCUnionType = '(', NSObjCBitfield = 'b' }
|
|
__attribute__((deprecated));
|
|
typedef int kern_return_t;
|
|
typedef kern_return_t mach_error_t;
|
|
typedef mach_port_t io_object_t;
|
|
typedef io_object_t io_service_t;
|
|
typedef struct __DASession * DASessionRef;
|
|
extern DASessionRef DASessionCreate( CFAllocatorRef allocator );
|
|
typedef struct __DADisk * DADiskRef;
|
|
extern DADiskRef DADiskCreateFromBSDName( CFAllocatorRef allocator, DASessionRef session, const char * name );
|
|
extern DADiskRef DADiskCreateFromIOMedia( CFAllocatorRef allocator, DASessionRef session, io_service_t media );
|
|
extern CFDictionaryRef DADiskCopyDescription( DADiskRef disk );
|
|
extern DADiskRef DADiskCopyWholeDisk( DADiskRef disk );
|
|
@interface NSAppleEventManager : NSObject {
|
|
}
|
|
@end enum {
|
|
kDAReturnSuccess = 0, kDAReturnError = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x01, kDAReturnBusy = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x02, kDAReturnBadArgument = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x03, kDAReturnExclusiveAccess = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x04, kDAReturnNoResources = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x05, kDAReturnNotFound = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x06, kDAReturnNotMounted = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x07, kDAReturnNotPermitted = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x08, kDAReturnNotPrivileged = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x09, kDAReturnNotReady = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0A, kDAReturnNotWritable = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0B, kDAReturnUnsupported = (((0x3e)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0C };
|
|
typedef mach_error_t DAReturn;
|
|
typedef const struct __DADissenter * DADissenterRef;
|
|
extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn status, CFStringRef string );
|
|
@interface NSNumber : NSObject
|
|
- (id)initWithInt:(int)value;
|
|
@end
|
|
typedef unsigned long NSUInteger;
|
|
@interface NSArray : NSObject
|
|
-(id) initWithObjects:(const id *)objects count:(NSUInteger) cnt;
|
|
@end
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Test cases.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Test to see if we *issue* an error when we store the pointer
|
|
// to a struct. This differs from basic store.
|
|
|
|
struct foo {
|
|
NSDate* f;
|
|
};
|
|
|
|
CFAbsoluteTime f4() {
|
|
struct foo x;
|
|
|
|
CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
|
|
CFDateRef date = CFDateCreate(0, t);
|
|
[((NSDate*) date) retain];
|
|
CFRelease(date);
|
|
CFDateGetAbsoluteTime(date); // no-warning
|
|
x.f = (NSDate*) date;
|
|
[((NSDate*) date) release];
|
|
t = CFDateGetAbsoluteTime(date); // expected-warning{{Reference-counted object is used after it is released.}}
|
|
return t;
|
|
}
|
|
|
|
// Test that assigning to an self.ivar loses track of an object.
|
|
// This is a temporary hack to reduce false positives.
|
|
@interface Test3 : NSObject {
|
|
id myObj;
|
|
}
|
|
- (void)test_self_assign_ivar;
|
|
@end
|
|
|
|
@implementation Test3
|
|
- (void)test_self_assign_ivar {
|
|
CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
|
|
CFDateRef date = CFDateCreate(0, t); // no-warning
|
|
myObj = (id) date;
|
|
}
|
|
@end
|
|
|
|
//===------------------------------------------------------------------------------------------===//
|
|
// <rdar://problem/7257223> (also <rdar://problem/7283470>) - False positive due to not invalidating
|
|
// the reference count of a tracked region that was itself invalidated.
|
|
//===------------------------------------------------------------------------------------------===//
|
|
|
|
typedef struct __rdar_7257223 { CFDateRef x; } RDar7257223;
|
|
void rdar_7257223_aux(RDar7257223 *p);
|
|
|
|
CFDateRef rdar7257223_Create(void) {
|
|
RDar7257223 s;
|
|
CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
|
|
s.x = CFDateCreate(0, t); // no-warning
|
|
rdar_7257223_aux(&s);
|
|
return s.x;
|
|
}
|
|
|
|
CFDateRef rdar7257223_Create_2(void) {
|
|
RDar7257223 s;
|
|
CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
|
|
s.x = CFDateCreate(0, t); // no-warning
|
|
return s.x;
|
|
}
|
|
|
|
void rdar7283470(void) {
|
|
NSNumber *numbers[] = {
|
|
[[NSNumber alloc] initWithInt:1], // no-warning
|
|
[[NSNumber alloc] initWithInt:2], // no-warning
|
|
[[NSNumber alloc] initWithInt:3], // no-warning
|
|
[[NSNumber alloc] initWithInt:4], // no-warning
|
|
[[NSNumber alloc] initWithInt:5] // no-warning
|
|
};
|
|
|
|
for (unsigned i = 0 ; i < sizeof(numbers) / sizeof(numbers[0]) ; ++i)
|
|
[numbers[i] release];
|
|
}
|
|
|
|
void rdar7283470_positive(void) {
|
|
NSNumber *numbers[] = {
|
|
[[NSNumber alloc] initWithInt:1], // expected-warning{{leak}}
|
|
[[NSNumber alloc] initWithInt:2], // expected-warning{{leak}}
|
|
[[NSNumber alloc] initWithInt:3], // expected-warning{{leak}}
|
|
[[NSNumber alloc] initWithInt:4], // expected-warning{{leak}}
|
|
[[NSNumber alloc] initWithInt:5] // expected-warning{{leak}}
|
|
};
|
|
}
|
|
|
|
void rdar7283470_2(void) {
|
|
NSNumber *numbers[] = {
|
|
[[NSNumber alloc] initWithInt:1], // no-warning
|
|
[[NSNumber alloc] initWithInt:2], // no-warning
|
|
[[NSNumber alloc] initWithInt:3], // no-warning
|
|
[[NSNumber alloc] initWithInt:4], // no-warning
|
|
[[NSNumber alloc] initWithInt:5] // no-warning
|
|
};
|
|
|
|
NSArray *s_numbers =[[NSArray alloc] initWithObjects:&numbers[0] count:sizeof(numbers) / sizeof(numbers[0])];
|
|
|
|
for (unsigned i = 0 ; i < sizeof(numbers) / sizeof(numbers[0]) ; ++i)
|
|
[numbers[i] release];
|
|
|
|
[s_numbers release];
|
|
}
|
|
|
|
void rdar7283470_2_positive(void) {
|
|
NSNumber *numbers[] = {
|
|
[[NSNumber alloc] initWithInt:1], // no-warning
|
|
[[NSNumber alloc] initWithInt:2], // no-warning
|
|
[[NSNumber alloc] initWithInt:3], // no-warning
|
|
[[NSNumber alloc] initWithInt:4], // no-warning
|
|
[[NSNumber alloc] initWithInt:5] // no-warning
|
|
};
|
|
|
|
NSArray *s_numbers =[[NSArray alloc] initWithObjects: &numbers[0] count:sizeof(numbers) / sizeof(numbers[0])]; // expected-warning{{leak}}
|
|
|
|
for (unsigned i = 0 ; i < sizeof(numbers) / sizeof(numbers[0]) ; ++i)
|
|
[numbers[i] release];
|
|
}
|
|
|