static CFBinaryHeapRef __CFBinaryHeapInit(CFAllocatorRef allocator, UInt32 flags, CFIndex capacity, const void **values, CFIndex numValues, const CFBinaryHeapCallBacks *callBacks, const CFBinaryHeapCompareContext *compareContext) {
CFBinaryHeapRef memory;
CFIndex idx;
CFIndex size;
CFAssert2(0 <= capacity, __kCFLogAssertion, "%s(): capacity (%d) cannot be less than zero", __PRETTY_FUNCTION__, capacity);
CFAssert2(0 <= numValues, __kCFLogAssertion, "%s(): numValues (%d) cannot be less than zero", __PRETTY_FUNCTION__, numValues);
size = sizeof(struct __CFBinaryHeap) - sizeof(CFRuntimeBase);
if (CF_IS_COLLECTABLE_ALLOCATOR(allocator)) {
if (!callBacks || (callBacks->retain == NULL && callBacks->release == NULL)) {
__CFBitfieldSetValue(flags, 4, 4, 1); // setWeak
}
}
memory = (CFBinaryHeapRef)_CFRuntimeCreateInstance(allocator, __kCFBinaryHeapTypeID, size, NULL);
if (NULL == memory) {
return NULL;
}
__CFBinaryHeapSetCapacity(memory, __CFBinaryHeapRoundUpCapacity(1));
__CFBinaryHeapSetNumBuckets(memory, __CFBinaryHeapNumBucketsForCapacity(__CFBinaryHeapRoundUpCapacity(1)));
void *buckets = _CFAllocatorAllocateGC(allocator, __CFBinaryHeapNumBuckets(memory) * sizeof(struct __CFBinaryHeapBucket), isStrongMemory_Heap(memory) ? __kCFAllocatorGCScannedMemory : 0);
__CFAssignWithWriteBarrier((void **)&memory->_buckets, buckets);
if (__CFOASafe) __CFSetLastAllocationEventName(memory->_buckets, "CFBinaryHeap (store)");
if (NULL == memory->_buckets) {
CFRelease(memory);
return NULL;
}
__CFBinaryHeapSetNumBucketsUsed(memory, 0);
__CFBinaryHeapSetCount(memory, 0);
if (NULL != callBacks) {
memory->_callbacks.retain = callBacks->retain;
memory->_callbacks.release = callBacks->release;
memory->_callbacks.copyDescription = callBacks->copyDescription;
memory->_callbacks.compare = callBacks->compare;
} else {
memory->_callbacks.retain = 0;
memory->_callbacks.release = 0;
memory->_callbacks.copyDescription = 0;
memory->_callbacks.compare = 0;
}
if (compareContext) memcpy(&memory->_context, compareContext, sizeof(CFBinaryHeapCompareContext));
// CF: retain info for proper operation
__CFBinaryHeapSetMutableVariety(memory, kCFBinaryHeapMutable);
for (idx = 0; idx < numValues; idx++) {
CFBinaryHeapAddValue(memory, values[idx]);
}
__CFBinaryHeapSetMutableVariety(memory, __CFBinaryHeapMutableVarietyFromFlags(flags));
return memory;
}
void CFTreeSetContext(CFTreeRef tree, const CFTreeContext *context) {
uint32_t newtype, oldtype = __CFTreeGetCallBacksType(tree);
struct __CFTreeCallBacks *oldcb = (struct __CFTreeCallBacks *)__CFTreeGetCallBacks(tree);
struct __CFTreeCallBacks *newcb;
void *oldinfo = tree->_info;
CFAllocatorRef allocator = CFGetAllocator(tree);
if (__CFTreeCallBacksMatchNull(context)) {
newtype = __kCFTreeHasNullCallBacks;
} else if (__CFTreeCallBacksMatchCFType(context)) {
newtype = __kCFTreeHasCFTypeCallBacks;
} else {
newtype = __kCFTreeHasCustomCallBacks;
__CFAssignWithWriteBarrier((void **)&tree->_callbacks, _CFAllocatorAllocateGC(allocator, sizeof(struct __CFTreeCallBacks), 0));
if (__CFOASafe) __CFSetLastAllocationEventName(tree->_callbacks, "CFTree (callbacks)");
tree->_callbacks->retain = context->retain;
tree->_callbacks->release = context->release;
tree->_callbacks->copyDescription = context->copyDescription;
FAULT_CALLBACK((void **)&(tree->_callbacks->retain));
FAULT_CALLBACK((void **)&(tree->_callbacks->release));
FAULT_CALLBACK((void **)&(tree->_callbacks->copyDescription));
}
__CFBitfieldSetValue(tree->_base._cfinfo[CF_INFO_BITS], 1, 0, newtype);
newcb = (struct __CFTreeCallBacks *)__CFTreeGetCallBacks(tree);
if (NULL != newcb->retain) {
tree->_info = (void *)INVOKE_CALLBACK1(newcb->retain, context->info);
} else {
__CFAssignWithWriteBarrier((void **)&tree->_info, context->info);
}
if (NULL != oldcb->release) {
INVOKE_CALLBACK1(oldcb->release, oldinfo);
}
if (oldtype == __kCFTreeHasCustomCallBacks) {
_CFAllocatorDeallocateGC(allocator, oldcb);
}
}