CFMutableDataRef CFDataCreateMutableCopy(CFAllocatorRef allocator, CFIndex capacity, CFDataRef data) {
// Do not allow magic allocator for now for mutable datas, because it
// isn't remembered for proper handling later when growth of the buffer
// has to occur.
Boolean wasMagic = (0);
CFMutableDataRef r = (CFMutableDataRef) __CFDataInit(allocator, (0 == capacity) ? kCFMutable : kCFFixedMutable, capacity, CFDataGetBytePtr(data), CFDataGetLength(data), NULL);
if (wasMagic) CFMakeCollectable(r);
return r;
}
CFMutableDataRef CFDataCreateMutable(CFAllocatorRef allocator, CFIndex capacity) {
// Do not allow magic allocator for now for mutable datas, because it
// isn't remembered for proper handling later when growth of the buffer
// has to occur.
Boolean wasMagic = _CFAllocatorIsGCRefZero(allocator);
if (0 == capacity) allocator = _CFConvertAllocatorToNonGCRefZeroEquivalent(allocator);
CFMutableDataRef r = (CFMutableDataRef)__CFDataInit(allocator, (0 == capacity) ? kCFMutable : kCFFixedMutable, capacity, NULL, 0, NULL);
if (wasMagic) CFMakeCollectable(r);
return r;
}
CFDataRef CFDataCreateCopy(CFAllocatorRef allocator, CFDataRef data) {
CFIndex length = CFDataGetLength(data);
return __CFDataInit(allocator, kCFImmutable, length, CFDataGetBytePtr(data), length, NULL);
}
CFDataRef CFDataCreateWithBytesNoCopy(CFAllocatorRef allocator, const uint8_t *bytes, CFIndex length, CFAllocatorRef bytesDeallocator) {
CFAssert1((0 == length || bytes != NULL), __kCFLogAssertion, "%s(): bytes pointer cannot be NULL if length is non-zero", __PRETTY_FUNCTION__);
if (NULL == bytesDeallocator) bytesDeallocator = __CFGetDefaultAllocator();
return __CFDataInit(allocator, kCFImmutable, length, bytes, length, bytesDeallocator);
}
CFDataRef CFDataCreate(CFAllocatorRef allocator, const uint8_t *bytes, CFIndex length) {
return __CFDataInit(allocator, kCFImmutable, length, bytes, length, NULL);
}
