test/Analysis/cfref_PR2519.c

   1 // RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=basic -verify %s
   2 // RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=range -verify %s
   3 // RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -verify %s
   4 // RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify %s
   5
   6 typedef unsigned char Boolean;
   7 typedef signed long CFIndex;
   8 typedef const void * CFTypeRef;
   9 typedef const struct __CFString * CFStringRef;
  10 typedef const struct __CFAllocator * CFAllocatorRef;
  11 extern const CFAllocatorRef kCFAllocatorDefault;
  12 typedef struct {} CFAllocatorContext;
  13 extern void CFRelease(CFTypeRef cf);
  14 typedef struct {}
  15 CFDictionaryKeyCallBacks;
  16 extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks;
  17 typedef struct {}
  18 CFDictionaryValueCallBacks;
  19 extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
  20 typedef const struct __CFDictionary * CFDictionaryRef;
  21 extern CFDictionaryRef CFDictionaryCreate(CFAllocatorRef allocator, const void **keys, const void **values, CFIndex numValues, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
  22 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    };
  23 typedef CFIndex CFNumberType;
  24 typedef const struct __CFNumber * CFNumberRef;
  25 extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
  26 typedef struct __CFNotificationCenter * CFNotificationCenterRef;
  27 extern CFNotificationCenterRef CFNotificationCenterGetDistributedCenter(void);
  28 extern void CFNotificationCenterPostNotification(CFNotificationCenterRef center, CFStringRef name, const void *object, CFDictionaryRef userInfo, Boolean deliverImmediately);
  29
  30 // This test case was reported in PR2519 as a false positive (_value was
  31 // reported as being leaked).
  32
  33 int main(int argc, char **argv) {
  34  CFStringRef _key = ((CFStringRef) __builtin___CFStringMakeConstantString ("" "Process identifier" ""));
  35  int pid = 42;
  36
  37  CFNumberRef _value = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &pid);
  38  CFDictionaryRef userInfo = CFDictionaryCreate(kCFAllocatorDefault, (const void **)&_key, (const void **)&_value, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
  39  CFRelease(_value); // no-warning
  40  CFNotificationCenterPostNotification(CFNotificationCenterGetDistributedCenter(),
  41            ((CFStringRef) __builtin___CFStringMakeConstantString ("" "GrowlPreferencesChanged" "")),
  42            ((CFStringRef) __builtin___CFStringMakeConstantString ("" "GrowlUserDefaults" "")),
  43            userInfo, 0);
  44  CFRelease(userInfo); // no-warning
  45
  46  return 0;
  47 }
  48