clang/test/Analysis/cfref_PR2519.c

   1 // UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
   2 // RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -verify %s
   3 // expected-no-diagnostics
   4
   5 typedef unsigned char Boolean;
   6 typedef signed long CFIndex;
   7 typedef const void * CFTypeRef;
   8 typedef const struct __CFString * CFStringRef;
   9 typedef const struct __CFAllocator * CFAllocatorRef;
  10 extern const CFAllocatorRef kCFAllocatorDefault;
  11 typedef struct {} CFAllocatorContext;
  12 extern void CFRelease(CFTypeRef cf);
  13 typedef struct {}
  14 CFDictionaryKeyCallBacks;
  15 extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks;
  16 typedef struct {}
  17 CFDictionaryValueCallBacks;
  18 extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
  19 typedef const struct __CFDictionary * CFDictionaryRef;
  20 extern CFDictionaryRef CFDictionaryCreate(CFAllocatorRef allocator, const void **keys, const void **values, CFIndex numValues, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
  21 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    };
  22 typedef CFIndex CFNumberType;
  23 typedef const struct __CFNumber * CFNumberRef;
  24 extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
  25 typedef struct __CFNotificationCenter * CFNotificationCenterRef;
  26 extern CFNotificationCenterRef CFNotificationCenterGetDistributedCenter(void);
  27 extern void CFNotificationCenterPostNotification(CFNotificationCenterRef center, CFStringRef name, const void *object, CFDictionaryRef userInfo, Boolean deliverImmediately);
  28
  29 // This test case was reported in PR2519 as a false positive (_value was
  30 // reported as being leaked).
  31
  32 int main(int argc, char **argv) {
  33  CFStringRef _key = ((CFStringRef) __builtin___CFStringMakeConstantString ("" "Process identifier" ""));
  34  int pid = 42;
  35
  36  CFNumberRef _value = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &pid);
  37  CFDictionaryRef userInfo = CFDictionaryCreate(kCFAllocatorDefault, (const void **)&_key, (const void **)&_value, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
  38  CFRelease(_value); // no-warning
  39  CFNotificationCenterPostNotification(CFNotificationCenterGetDistributedCenter(),
  40            ((CFStringRef) __builtin___CFStringMakeConstantString ("" "GrowlPreferencesChanged" "")),
  41            ((CFStringRef) __builtin___CFStringMakeConstantString ("" "GrowlUserDefaults" "")),
  42            userInfo, 0);
  43  CFRelease(userInfo); // no-warning
  44
  45  return 0;
  46 }
  47