1// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=basic -verify %s 2 3//===----------------------------------------------------------------------===// 4// The following code is reduced using delta-debugging from 5// Foundation.h (Mac OS X). 6// 7// It includes the basic definitions for the test cases below. 8// Not including Foundation.h directly makes this test case both svelte and 9// portable to non-Mac platforms. 10//===----------------------------------------------------------------------===// 11 12typedef unsigned int __darwin_natural_t; 13typedef unsigned long UInt32; 14typedef signed long CFIndex; 15typedef const void * CFTypeRef; 16typedef const struct __CFString * CFStringRef; 17typedef const struct __CFAllocator * CFAllocatorRef; 18extern const CFAllocatorRef kCFAllocatorDefault; 19extern CFTypeRef CFRetain(CFTypeRef cf); 20extern void CFRelease(CFTypeRef cf); 21typedef struct { 22} 23CFArrayCallBacks; 24extern const CFArrayCallBacks kCFTypeArrayCallBacks; 25typedef const struct __CFArray * CFArrayRef; 26typedef struct __CFArray * CFMutableArrayRef; 27extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks); 28extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx); 29typedef const struct __CFDictionary * CFDictionaryRef; 30typedef UInt32 CFStringEncoding; 31enum { 32kCFStringEncodingMacRoman = 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 }; 33extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding); 34typedef double CFTimeInterval; 35typedef CFTimeInterval CFAbsoluteTime; 36typedef const struct __CFDate * CFDateRef; 37extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at); 38extern CFAbsoluteTime CFDateGetAbsoluteTime(CFDateRef theDate); 39typedef __darwin_natural_t natural_t; 40typedef natural_t mach_port_name_t; 41typedef mach_port_name_t mach_port_t; 42typedef signed char BOOL; 43typedef struct _NSZone NSZone; 44@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; 45@protocol NSObject - (BOOL)isEqual:(id)object; 46- (id)retain; 47- (oneway void)release; 48@end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; 49@end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; 50@end @interface NSObject <NSObject> { 51} 52@end typedef float CGFloat; 53typedef double NSTimeInterval; 54@interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate; 55@end enum { 56NSObjCNoType = 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' } 57__attribute__((deprecated)); 58typedef int kern_return_t; 59typedef kern_return_t mach_error_t; 60typedef mach_port_t io_object_t; 61typedef io_object_t io_service_t; 62typedef struct __DASession * DASessionRef; 63extern DASessionRef DASessionCreate( CFAllocatorRef allocator ); 64typedef struct __DADisk * DADiskRef; 65extern DADiskRef DADiskCreateFromBSDName( CFAllocatorRef allocator, DASessionRef session, const char * name ); 66extern DADiskRef DADiskCreateFromIOMedia( CFAllocatorRef allocator, DASessionRef session, io_service_t media ); 67extern CFDictionaryRef DADiskCopyDescription( DADiskRef disk ); 68extern DADiskRef DADiskCopyWholeDisk( DADiskRef disk ); 69@interface NSAppleEventManager : NSObject { 70} 71@end enum { 72kDAReturnSuccess = 0, kDAReturnError = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x01, kDAReturnBusy = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x02, kDAReturnBadArgument = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x03, kDAReturnExclusiveAccess = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x04, kDAReturnNoResources = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x05, kDAReturnNotFound = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x06, kDAReturnNotMounted = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x07, kDAReturnNotPermitted = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x08, kDAReturnNotPrivileged = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x09, kDAReturnNotReady = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0A, kDAReturnNotWritable = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0B, kDAReturnUnsupported = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0C }; 73typedef mach_error_t DAReturn; 74typedef const struct __DADissenter * DADissenterRef; 75extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn status, CFStringRef string ); 76 77//===----------------------------------------------------------------------===// 78// Test cases. 79//===----------------------------------------------------------------------===// 80 81// Test to see if we supresss an error when we store the pointer 82// to a struct. This is because the value "escapes" the basic reasoning 83// of basic store. 84 85struct foo { 86 NSDate* f; 87}; 88 89CFAbsoluteTime CFAbsoluteTimeGetCurrent(void); 90 91CFAbsoluteTime f4() { 92 struct foo x; 93 94 CFAbsoluteTime t = CFAbsoluteTimeGetCurrent(); 95 CFDateRef date = CFDateCreate(0, t); 96 [((NSDate*) date) retain]; 97 CFRelease(date); 98 CFDateGetAbsoluteTime(date); // no-warning 99 x.f = (NSDate*) date; 100 [((NSDate*) date) release]; 101 t = CFDateGetAbsoluteTime(date); // no-warning 102 return t; 103} 104 105