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--- xnu/xnu-792.2.4/libkern/c++/OSData.cpp
+++ xnu/xnu-6153.81.5/libkern/c++/OSData.cpp
@@ -1,38 +1,50 @@
/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* IOData.m created by rsulack on Thu 25-Sep-1997 */
#include <string.h>
+
+__BEGIN_DECLS
+#include <vm/vm_kern.h>
+__END_DECLS
+
+#define LIBKERN_SMART_POINTERS
#include <libkern/c++/OSData.h>
#include <libkern/c++/OSSerialize.h>
#include <libkern/c++/OSLib.h>
#include <libkern/c++/OSString.h>
-#include <string.h>
+#include <IOKit/IOLib.h>
#define super OSObject
OSDefineMetaClassAndStructors(OSData, OSObject)
-OSMetaClassDefineReservedUnused(OSData, 0);
+OSMetaClassDefineReservedUsed(OSData, 0); // setDeallocFunction
OSMetaClassDefineReservedUnused(OSData, 1);
OSMetaClassDefineReservedUnused(OSData, 2);
OSMetaClassDefineReservedUnused(OSData, 3);
@@ -43,377 +55,557 @@
#define EXTERNAL ((unsigned int) -1)
-#if OSALLOCDEBUG
-extern int debug_container_malloc_size;
-#define ACCUMSIZE(s) do { debug_container_malloc_size += (s); } while(0)
-#else
-#define ACCUMSIZE(s)
-#endif
-
-bool OSData::initWithCapacity(unsigned int inCapacity)
-{
- if (!super::init())
- return false;
-
- if (data && (!inCapacity || capacity < inCapacity) ) {
- // clean out old data's storage if it isn't big enough
- kfree((vm_address_t) data, capacity);
- data = 0;
- ACCUMSIZE(-capacity);
- }
-
- if (inCapacity && !data) {
- data = (void *) kalloc(inCapacity);
- if (!data)
- return false;
- capacity = inCapacity;
- ACCUMSIZE(inCapacity);
- }
-
- length = 0;
- if (inCapacity < 16)
- capacityIncrement = 16;
- else
- capacityIncrement = inCapacity;
-
- return true;
-}
-
-bool OSData::initWithBytes(const void *bytes, unsigned int inLength)
-{
- if ((inLength && !bytes) || !initWithCapacity(inLength))
- return false;
-
- if (bytes != data)
- bcopy(bytes, data, inLength);
- length = inLength;
-
- return true;
-}
-
-bool OSData::initWithBytesNoCopy(void *bytes, unsigned int inLength)
-{
- if (!super::init())
- return false;
-
- length = inLength;
- capacity = EXTERNAL;
- data = bytes;
-
- return true;
-}
-
-bool OSData::initWithData(const OSData *inData)
-{
- return initWithBytes(inData->data, inData->length);
-}
-
-bool OSData::initWithData(const OSData *inData,
- unsigned int start, unsigned int inLength)
-{
- const void *localData = inData->getBytesNoCopy(start, inLength);
-
- if (localData)
- return initWithBytes(localData, inLength);
- else
- return false;
-}
-
-OSData *OSData::withCapacity(unsigned int inCapacity)
-{
- OSData *me = new OSData;
-
- if (me && !me->initWithCapacity(inCapacity)) {
- me->release();
- return 0;
- }
-
- return me;
-}
-
-OSData *OSData::withBytes(const void *bytes, unsigned int inLength)
-{
- OSData *me = new OSData;
-
- if (me && !me->initWithBytes(bytes, inLength)) {
- me->release();
- return 0;
- }
- return me;
-}
-
-OSData *OSData::withBytesNoCopy(void *bytes, unsigned int inLength)
-{
- OSData *me = new OSData;
-
- if (me && !me->initWithBytesNoCopy(bytes, inLength)) {
- me->release();
- return 0;
- }
-
- return me;
-}
-
-OSData *OSData::withData(const OSData *inData)
-{
- OSData *me = new OSData;
-
- if (me && !me->initWithData(inData)) {
- me->release();
- return 0;
- }
-
- return me;
-}
-
-OSData *OSData::withData(const OSData *inData,
- unsigned int start, unsigned int inLength)
-{
- OSData *me = new OSData;
-
- if (me && !me->initWithData(inData, start, inLength)) {
- me->release();
- return 0;
- }
-
- return me;
-}
-
-void OSData::free()
-{
- if (capacity != EXTERNAL && data && capacity) {
- kfree((vm_offset_t)data, capacity);
- ACCUMSIZE( -capacity );
- }
- super::free();
-}
-
-unsigned int OSData::getLength() const { return length; }
-unsigned int OSData::getCapacity() const { return capacity; }
-
-unsigned int OSData::getCapacityIncrement() const
-{
- return capacityIncrement;
-}
-
-unsigned int OSData::setCapacityIncrement(unsigned increment)
-{
- return capacityIncrement = increment;
-}
-
-unsigned int OSData::ensureCapacity(unsigned int newCapacity)
-{
- unsigned char * newData;
-
- if (newCapacity <= capacity)
- return capacity;
-
- newCapacity = (((newCapacity - 1) / capacityIncrement) + 1)
- * capacityIncrement;
-
- newData = (unsigned char *) kalloc(newCapacity);
-
- if ( newData ) {
- bzero(newData + capacity, newCapacity - capacity);
- if (data) {
- bcopy(data, newData, capacity);
- kfree((vm_offset_t)data, capacity);
- }
- ACCUMSIZE( newCapacity - capacity );
- data = (void *) newData;
- capacity = newCapacity;
- }
-
- return capacity;
-}
-
-bool OSData::appendBytes(const void *bytes, unsigned int inLength)
-{
- unsigned int newSize;
-
- if (!inLength)
- return true;
-
- if (capacity == EXTERNAL)
- return false;
-
- newSize = length + inLength;
- if ( (newSize > capacity) && newSize > ensureCapacity(newSize) )
- return false;
-
- if (bytes)
- bcopy(bytes, &((unsigned char *)data)[length], inLength);
- else
- bzero(&((unsigned char *)data)[length], inLength);
-
- length = newSize;
-
- return true;
-}
-
-bool OSData::appendByte(unsigned char byte, unsigned int inLength)
-{
- unsigned int newSize;
-
- if (!inLength)
- return true;
-
- if (capacity == EXTERNAL)
- return false;
-
- newSize = length + inLength;
- if ( (newSize > capacity) && newSize > ensureCapacity(newSize) )
- return false;
-
- memset(&((unsigned char *)data)[length], byte, inLength);
- length = newSize;
-
- return true;
-}
-
-bool OSData::appendBytes(const OSData *other)
-{
- return appendBytes(other->data, other->length);
-}
-
-const void *OSData::getBytesNoCopy() const
-{
- if (!length)
- return 0;
- else
- return data;
-}
-
-const void *OSData::getBytesNoCopy(unsigned int start,
- unsigned int inLength) const
-{
- const void *outData = 0;
-
- if (length
- && start < length
- && (start + inLength) <= length)
- outData = (const void *) ((char *) data + start);
-
- return outData;
-}
-
-bool OSData::isEqualTo(const OSData *aData) const
-{
- unsigned int len;
-
- len = aData->length;
- if ( length != len )
- return false;
-
- return isEqualTo(aData->data, len);
-}
-
-bool OSData::isEqualTo(const void *someData, unsigned int inLength) const
-{
- return (length >= inLength) && (bcmp(data, someData, inLength) == 0);
-}
-
-bool OSData::isEqualTo(const OSMetaClassBase *obj) const
-{
- OSData * data;
- OSString * str;
-
- if ((data = OSDynamicCast(OSData, obj)))
- return isEqualTo(data);
- else if ((str = OSDynamicCast (OSString, obj)))
- return isEqualTo(str);
- else
- return false;
-}
-
-bool OSData::isEqualTo(const OSString *obj) const
-{
- const char * aCString;
- char * dataPtr;
- unsigned int checkLen = length;
- unsigned int stringLen;
-
- if (!obj)
- return false;
-
- stringLen = obj->getLength ();
-
- dataPtr = (char *)data;
-
- if (stringLen != checkLen) {
-
- // check for the fact that OSData may be a buffer that
- // that includes a termination byte and will thus have
- // a length of the actual string length PLUS 1. In this
- // case we verify that the additional byte is a terminator
- // and if so count the two lengths as being the same.
-
- if ( (checkLen - stringLen) == 1) {
- if (dataPtr[checkLen-1] != 0) // non-zero means not a terminator and thus not likely the same
- return false;
- checkLen--;
- }
- else
- return false;
- }
-
- aCString = obj->getCStringNoCopy ();
-
- for ( unsigned int i=0; i < checkLen; i++ ) {
- if ( *dataPtr++ != aCString[i] )
- return false;
- }
-
- return true;
-}
-
-//this was taken from CFPropertyList.c
+bool
+OSData::initWithCapacity(unsigned int inCapacity)
+{
+ if (data) {
+ OSCONTAINER_ACCUMSIZE(-((size_t)capacity));
+ if (!inCapacity || (capacity < inCapacity)) {
+ // clean out old data's storage if it isn't big enough
+ if (capacity < page_size) {
+ kfree(data, capacity);
+ } else {
+ kmem_free(kernel_map, (vm_offset_t)data, capacity);
+ }
+ data = NULL;
+ capacity = 0;
+ }
+ }
+
+ if (!super::init()) {
+ return false;
+ }
+
+ if (inCapacity && !data) {
+ if (inCapacity < page_size) {
+ data = (void *) kalloc_container(inCapacity);
+ } else {
+ kern_return_t kr;
+ if (round_page_overflow(inCapacity, &inCapacity)) {
+ kr = KERN_RESOURCE_SHORTAGE;
+ } else {
+ kr = kmem_alloc(kernel_map, (vm_offset_t *)&data, inCapacity, IOMemoryTag(kernel_map));
+ }
+ if (KERN_SUCCESS != kr) {
+ data = NULL;
+ }
+ }
+ if (!data) {
+ return false;
+ }
+ capacity = inCapacity;
+ }
+ OSCONTAINER_ACCUMSIZE(capacity);
+
+ length = 0;
+ if (inCapacity < 16) {
+ capacityIncrement = 16;
+ } else {
+ capacityIncrement = inCapacity;
+ }
+
+ return true;
+}
+
+bool
+OSData::initWithBytes(const void *bytes, unsigned int inLength)
+{
+ if ((inLength && !bytes) || !initWithCapacity(inLength)) {
+ return false;
+ }
+
+ if (bytes != data) {
+ bcopy(bytes, data, inLength);
+ }
+ length = inLength;
+
+ return true;
+}
+
+bool
+OSData::initWithBytesNoCopy(void *bytes, unsigned int inLength)
+{
+ if (!super::init()) {
+ return false;
+ }
+
+ length = inLength;
+ capacity = EXTERNAL;
+ data = bytes;
+
+ return true;
+}
+
+bool
+OSData::initWithData(const OSData *inData)
+{
+ return initWithBytes(inData->data, inData->length);
+}
+
+bool
+OSData::initWithData(const OSData *inData,
+ unsigned int start, unsigned int inLength)
+{
+ const void *localData = inData->getBytesNoCopy(start, inLength);
+
+ if (localData) {
+ return initWithBytes(localData, inLength);
+ } else {
+ return false;
+ }
+}
+
+OSDataPtr
+OSData::withCapacity(unsigned int inCapacity)
+{
+ OSDataPtr me = OSDataPtr::alloc();
+
+ if (me && !me->initWithCapacity(inCapacity)) {
+ return nullptr;
+ }
+
+ return me;
+}
+
+OSDataPtr
+OSData::withBytes(const void *bytes, unsigned int inLength)
+{
+ OSDataPtr me = OSDataPtr::alloc();
+
+ if (me && !me->initWithBytes(bytes, inLength)) {
+ return nullptr;
+ }
+ return me;
+}
+
+OSDataPtr
+OSData::withBytesNoCopy(void *bytes, unsigned int inLength)
+{
+ OSDataPtr me = OSDataPtr::alloc();
+
+ if (me && !me->initWithBytesNoCopy(bytes, inLength)) {
+ return nullptr;
+ }
+
+ return me;
+}
+
+OSDataPtr
+OSData::withData(const OSData *inData)
+{
+ OSDataPtr me = OSDataPtr::alloc();
+
+ if (me && !me->initWithData(inData)) {
+ return nullptr;
+ }
+
+ return me;
+}
+
+OSDataPtr
+OSData::withData(const OSData *inData,
+ unsigned int start, unsigned int inLength)
+{
+ OSDataPtr me = OSDataPtr::alloc();
+
+ if (me && !me->initWithData(inData, start, inLength)) {
+ return nullptr;
+ }
+
+ return me;
+}
+
+void
+OSData::free()
+{
+ if ((capacity != EXTERNAL) && data && capacity) {
+ if (capacity < page_size) {
+ kfree(data, capacity);
+ } else {
+ kmem_free(kernel_map, (vm_offset_t)data, capacity);
+ }
+ OSCONTAINER_ACCUMSIZE( -((size_t)capacity));
+ } else if (capacity == EXTERNAL) {
+ DeallocFunction freemem = reserved ? reserved->deallocFunction : NULL;
+ if (freemem && data && length) {
+ freemem(data, length);
+ }
+ }
+ if (reserved) {
+ kfree(reserved, sizeof(ExpansionData));
+ }
+ super::free();
+}
+
+unsigned int
+OSData::getLength() const
+{
+ return length;
+}
+unsigned int
+OSData::getCapacity() const
+{
+ return capacity;
+}
+
+unsigned int
+OSData::getCapacityIncrement() const
+{
+ return capacityIncrement;
+}
+
+unsigned int
+OSData::setCapacityIncrement(unsigned increment)
+{
+ return capacityIncrement = increment;
+}
+
+// xx-review: does not check for capacity == EXTERNAL
+
+unsigned int
+OSData::ensureCapacity(unsigned int newCapacity)
+{
+ unsigned char * newData;
+ unsigned int finalCapacity;
+ void * copydata;
+ kern_return_t kr;
+
+ if (newCapacity <= capacity) {
+ return capacity;
+ }
+
+ finalCapacity = (((newCapacity - 1) / capacityIncrement) + 1)
+ * capacityIncrement;
+
+ // integer overflow check
+ if (finalCapacity < newCapacity) {
+ return capacity;
+ }
+
+ copydata = data;
+
+ if (finalCapacity >= page_size) {
+ // round up
+ finalCapacity = round_page_32(finalCapacity);
+ // integer overflow check
+ if (finalCapacity < newCapacity) {
+ return capacity;
+ }
+ if (capacity >= page_size) {
+ copydata = NULL;
+ kr = kmem_realloc(kernel_map,
+ (vm_offset_t)data,
+ capacity,
+ (vm_offset_t *)&newData,
+ finalCapacity,
+ IOMemoryTag(kernel_map));
+ } else {
+ kr = kmem_alloc(kernel_map, (vm_offset_t *)&newData, finalCapacity, IOMemoryTag(kernel_map));
+ }
+ if (KERN_SUCCESS != kr) {
+ newData = NULL;
+ }
+ } else {
+ newData = (unsigned char *) kalloc_container(finalCapacity);
+ }
+
+ if (newData) {
+ bzero(newData + capacity, finalCapacity - capacity);
+ if (copydata) {
+ bcopy(copydata, newData, capacity);
+ }
+ if (data) {
+ if (capacity < page_size) {
+ kfree(data, capacity);
+ } else {
+ kmem_free(kernel_map, (vm_offset_t)data, capacity);
+ }
+ }
+ OSCONTAINER_ACCUMSIZE(((size_t)finalCapacity) - ((size_t)capacity));
+ data = (void *) newData;
+ capacity = finalCapacity;
+ }
+
+ return capacity;
+}
+
+bool
+OSData::appendBytes(const void *bytes, unsigned int inLength)
+{
+ unsigned int newSize;
+
+ if (!inLength) {
+ return true;
+ }
+
+ if (capacity == EXTERNAL) {
+ return false;
+ }
+
+ if (os_add_overflow(length, inLength, &newSize)) {
+ return false;
+ }
+
+ if ((newSize > capacity) && newSize > ensureCapacity(newSize)) {
+ return false;
+ }
+
+ if (bytes) {
+ bcopy(bytes, &((unsigned char *)data)[length], inLength);
+ } else {
+ bzero(&((unsigned char *)data)[length], inLength);
+ }
+
+ length = newSize;
+
+ return true;
+}
+
+bool
+OSData::appendByte(unsigned char byte, unsigned int inLength)
+{
+ unsigned int newSize;
+
+ if (!inLength) {
+ return true;
+ }
+
+ if (capacity == EXTERNAL) {
+ return false;
+ }
+
+ if (os_add_overflow(length, inLength, &newSize)) {
+ return false;
+ }
+
+ if ((newSize > capacity) && newSize > ensureCapacity(newSize)) {
+ return false;
+ }
+
+ memset(&((unsigned char *)data)[length], byte, inLength);
+ length = newSize;
+
+ return true;
+}
+
+bool
+OSData::appendBytes(const OSData *other)
+{
+ return appendBytes(other->data, other->length);
+}
+
+const void *
+OSData::getBytesNoCopy() const
+{
+ if (!length) {
+ return NULL;
+ } else {
+ return data;
+ }
+}
+
+const void *
+OSData::getBytesNoCopy(unsigned int start,
+ unsigned int inLength) const
+{
+ const void *outData = NULL;
+
+ if (length
+ && start < length
+ && (start + inLength) >= inLength // overflow check
+ && (start + inLength) <= length) {
+ outData = (const void *) ((char *) data + start);
+ }
+
+ return outData;
+}
+
+bool
+OSData::isEqualTo(const OSData *aData) const
+{
+ unsigned int len;
+
+ len = aData->length;
+ if (length != len) {
+ return false;
+ }
+
+ return isEqualTo(aData->data, len);
+}
+
+bool
+OSData::isEqualTo(const void *someData, unsigned int inLength) const
+{
+ return (length >= inLength) && (bcmp(data, someData, inLength) == 0);
+}
+
+bool
+OSData::isEqualTo(const OSMetaClassBase *obj) const
+{
+ OSData * otherData;
+ OSString * str;
+
+ if ((otherData = OSDynamicCast(OSData, obj))) {
+ return isEqualTo(otherData);
+ } else if ((str = OSDynamicCast(OSString, obj))) {
+ return isEqualTo(str);
+ } else {
+ return false;
+ }
+}
+
+bool
+OSData::isEqualTo(const OSString *obj) const
+{
+ const char * aCString;
+ char * dataPtr;
+ unsigned int checkLen = length;
+ unsigned int stringLen;
+
+ if (!obj) {
+ return false;
+ }
+
+ stringLen = obj->getLength();
+
+ dataPtr = (char *)data;
+
+ if (stringLen != checkLen) {
+ // check for the fact that OSData may be a buffer that
+ // that includes a termination byte and will thus have
+ // a length of the actual string length PLUS 1. In this
+ // case we verify that the additional byte is a terminator
+ // and if so count the two lengths as being the same.
+
+ if ((checkLen - stringLen) == 1) {
+ if (dataPtr[checkLen - 1] != 0) { // non-zero means not a terminator and thus not likely the same
+ return false;
+ }
+ checkLen--;
+ } else {
+ return false;
+ }
+ }
+
+ aCString = obj->getCStringNoCopy();
+
+ for (unsigned int i = 0; i < checkLen; i++) {
+ if (*dataPtr++ != aCString[i]) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+//this was taken from CFPropertyList.c
static const char __CFPLDataEncodeTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-bool OSData::serialize(OSSerialize *s) const
-{
- unsigned int i;
- const unsigned char *p;
- unsigned char c;
-
- if (s->previouslySerialized(this)) return true;
-
- if (!s->addXMLStartTag(this, "data")) return false;
-
- for (i = 0, p = (unsigned char *)data; i < length; i++, p++) {
- /* 3 bytes are encoded as 4 */
- switch (i % 3) {
+bool
+OSData::serialize(OSSerialize *s) const
+{
+ unsigned int i;
+ const unsigned char *p;
+ unsigned char c;
+ unsigned int serializeLength;
+
+ if (s->previouslySerialized(this)) {
+ return true;
+ }
+
+ if (!s->addXMLStartTag(this, "data")) {
+ return false;
+ }
+
+ serializeLength = length;
+ if (reserved && reserved->disableSerialization) {
+ serializeLength = 0;
+ }
+
+ for (i = 0, p = (unsigned char *)data; i < serializeLength; i++, p++) {
+ /* 3 bytes are encoded as 4 */
+ switch (i % 3) {
+ case 0:
+ c = __CFPLDataEncodeTable[((p[0] >> 2) & 0x3f)];
+ if (!s->addChar(c)) {
+ return false;
+ }
+ break;
+ case 1:
+ c = __CFPLDataEncodeTable[((((p[-1] << 8) | p[0]) >> 4) & 0x3f)];
+ if (!s->addChar(c)) {
+ return false;
+ }
+ break;
+ case 2:
+ c = __CFPLDataEncodeTable[((((p[-1] << 8) | p[0]) >> 6) & 0x3f)];
+ if (!s->addChar(c)) {
+ return false;
+ }
+ c = __CFPLDataEncodeTable[(p[0] & 0x3f)];
+ if (!s->addChar(c)) {
+ return false;
+ }
+ break;
+ }
+ }
+ switch (i % 3) {
case 0:
- c = __CFPLDataEncodeTable [ ((p[0] >> 2) & 0x3f)];
- if (!s->addChar(c)) return false;
break;
case 1:
- c = __CFPLDataEncodeTable [ ((((p[-1] << 8) | p[0]) >> 4) & 0x3f)];
- if (!s->addChar(c)) return false;
+ c = __CFPLDataEncodeTable[((p[-1] << 4) & 0x30)];
+ if (!s->addChar(c)) {
+ return false;
+ }
+ if (!s->addChar('=')) {
+ return false;
+ }
+ if (!s->addChar('=')) {
+ return false;
+ }
break;
case 2:
- c = __CFPLDataEncodeTable [ ((((p[-1] << 8) | p[0]) >> 6) & 0x3f)];
- if (!s->addChar(c)) return false;
- c = __CFPLDataEncodeTable [ (p[0] & 0x3f)];
- if (!s->addChar(c)) return false;
+ c = __CFPLDataEncodeTable[((p[-1] << 2) & 0x3c)];
+ if (!s->addChar(c)) {
+ return false;
+ }
+ if (!s->addChar('=')) {
+ return false;
+ }
break;
}
- }
- switch (i % 3) {
- case 0:
- break;
- case 1:
- c = __CFPLDataEncodeTable [ ((p[-1] << 4) & 0x30)];
- if (!s->addChar(c)) return false;
- if (!s->addChar('=')) return false;
- if (!s->addChar('=')) return false;
- break;
- case 2:
- c = __CFPLDataEncodeTable [ ((p[-1] << 2) & 0x3c)];
- if (!s->addChar(c)) return false;
- if (!s->addChar('=')) return false;
- break;
- }
-
- return s->addXMLEndTag("data");
-}
+
+ return s->addXMLEndTag("data");
+}
+
+void
+OSData::setDeallocFunction(DeallocFunction func)
+{
+ if (!reserved) {
+ reserved = (typeof(reserved))kalloc_container(sizeof(ExpansionData));
+ if (!reserved) {
+ return;
+ }
+ bzero(reserved, sizeof(ExpansionData));
+ }
+ reserved->deallocFunction = func;
+}
+
+void
+OSData::setSerializable(bool serializable)
+{
+ if (!reserved) {
+ reserved = (typeof(reserved))kalloc_container(sizeof(ExpansionData));
+ if (!reserved) {
+ return;
+ }
+ bzero(reserved, sizeof(ExpansionData));
+ }
+ reserved->disableSerialization = (!serializable);
+}
+
+bool
+OSData::isSerializable(void)
+{
+ return !reserved || !reserved->disableSerialization;
+}