test/Analysis/cfref_PR2519.c

   1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -analyzer-store=region -verify %s
   2 // expected-no-diagnostics
   3
   4 typedef unsigned char Boolean;
   5 typedef signed long CFIndex;
   6 typedef const void * CFTypeRef;
   7 typedef const struct __CFString * CFStringRef;
   8 typedef const struct __CFAllocator * CFAllocatorRef;
   9 extern const CFAllocatorRef kCFAllocatorDefault;
  10 typedef struct {} CFAllocatorContext;
  11 extern void CFRelease(CFTypeRef cf);
  12 typedef struct {}
  13 CFDictionaryKeyCallBacks;
  14 extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks;
  15 typedef struct {}
  16 CFDictionaryValueCallBacks;
  17 extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
  18 typedef const struct __CFDictionary * CFDictionaryRef;
  19 extern CFDictionaryRef CFDictionaryCreate(CFAllocatorRef allocator, const void **keys, const void **values, CFIndex numValues, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
  20 enum { kCFNumberSInt8Type = 1,     kCFNumberSInt16Type = 2,     kCFNumberSInt32Type = 3,     kCFNumberSInt64Type = 4,     kCFNumberFloat32Type = 5,     kCFNumberFloat64Type = 6,      kCFNumberCharType = 7,     kCFNumberShortType = 8,     kCFNumberIntType = 9,     kCFNumberLongType = 10,     kCFNumberLongLongType = 11,     kCFNumberFloatType = 12,     kCFNumberDoubleType = 13,      kCFNumberCFIndexType = 14,      kCFNumberNSIntegerType = 15,     kCFNumberCGFloatType = 16,     kCFNumberMaxType = 16    };
  21 typedef CFIndex CFNumberType;
  22 typedef const struct __CFNumber * CFNumberRef;
  23 extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
  24 typedef struct __CFNotificationCenter * CFNotificationCenterRef;
  25 extern CFNotificationCenterRef CFNotificationCenterGetDistributedCenter(void);
  26 extern void CFNotificationCenterPostNotification(CFNotificationCenterRef center, CFStringRef name, const void *object, CFDictionaryRef userInfo, Boolean deliverImmediately);
  27
  28 // This test case was reported in PR2519 as a false positive (_value was
  29 // reported as being leaked).
  30
  31 int main(int argc, char **argv) {
  32  CFStringRef _key = ((CFStringRef) __builtin___CFStringMakeConstantString ("" "Process identifier" ""));
  33  int pid = 42;
  34
  35  CFNumberRef _value = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &pid);
  36  CFDictionaryRef userInfo = CFDictionaryCreate(kCFAllocatorDefault, (const void **)&_key, (const void **)&_value, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
  37  CFRelease(_value); // no-warning
  38  CFNotificationCenterPostNotification(CFNotificationCenterGetDistributedCenter(),
  39            ((CFStringRef) __builtin___CFStringMakeConstantString ("" "GrowlPreferencesChanged" "")),
  40            ((CFStringRef) __builtin___CFStringMakeConstantString ("" "GrowlUserDefaults" "")),
  41            userInfo, 0);
  42  CFRelease(userInfo); // no-warning
  43
  44  return 0;
  45 }
  46