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libkern/c++/OSNumber.cpp xnu-12377.101.15 xnu-792
--- xnu/xnu-12377.101.15/libkern/c++/OSNumber.cpp
+++ xnu/xnu-792/libkern/c++/OSNumber.cpp
@@ -1,48 +1,42 @@
 /*
- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @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
+ * @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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * 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@
+ * 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@
  */
 /* IOOffset.m created by rsulack on Wed 17-Sep-1997 */
 
-#define IOKIT_ENABLE_SHARED_PTR
+#include <sys/cdefs.h>
 
-#include <sys/cdefs.h>
+__BEGIN_DECLS
+extern unsigned long strtoul(const char *, char **, int);
+__END_DECLS
 
 #include <libkern/c++/OSNumber.h>
 #include <libkern/c++/OSString.h>
 #include <libkern/c++/OSSerialize.h>
-#include <libkern/c++/OSSharedPtr.h>
 #include <libkern/c++/OSLib.h>
 
 #define sizeMask (~0ULL >> (64 - size))
 
 #define super OSObject
 
-OSDefineMetaClassAndStructorsWithZone(OSNumber, OSObject,
-    (zone_create_flags_t) (ZC_CACHING | ZC_ZFREE_CLEARMEM))
+OSDefineMetaClassAndStructors(OSNumber, OSObject)
 
 OSMetaClassDefineReservedUnused(OSNumber, 0);
 OSMetaClassDefineReservedUnused(OSNumber, 1);
@@ -53,217 +47,115 @@
 OSMetaClassDefineReservedUnused(OSNumber, 6);
 OSMetaClassDefineReservedUnused(OSNumber, 7);
 
-bool
-OSNumber::init(unsigned long long inValue, unsigned int newNumberOfBits)
+bool OSNumber::init(unsigned long long inValue, unsigned int numberOfBits)
 {
-	if (!super::init()) {
-		return false;
-	}
-	if (newNumberOfBits > 64) {
-		return false;
-	}
+    if (!super::init())
+        return false;
 
-	size = newNumberOfBits;
-	value = (inValue & sizeMask);
+    size = numberOfBits;
+    value = (inValue & sizeMask);
 
-	return true;
+    return true;
 }
 
-bool
-OSNumber::init(const char *newValue, unsigned int newNumberOfBits)
+bool OSNumber::init(const char *value, unsigned int numberOfBits)
 {
-	return init((unsigned long long)strtoul(newValue, NULL, 0), newNumberOfBits);
+    return init((unsigned long long)strtoul(value, NULL, 0), numberOfBits);
 }
 
-void
-OSNumber::free()
+void OSNumber::free() { super::free(); }
+
+OSNumber *OSNumber::withNumber(unsigned long long value,
+                           unsigned int numberOfBits)
 {
-	super::free();
+    OSNumber *me = new OSNumber;
+
+    if (me && !me->init(value, numberOfBits)) {
+        me->release();
+        return 0;
+    }
+
+    return me;
 }
 
-OSSharedPtr<OSNumber>
-OSNumber::withNumber(unsigned long long value,
-    unsigned int newNumberOfBits)
+OSNumber *OSNumber::withNumber(const char *value, unsigned int numberOfBits)
 {
-	OSSharedPtr<OSNumber> me = OSMakeShared<OSNumber>();
+    OSNumber *me = new OSNumber;
 
-	if (me && !me->init(value, newNumberOfBits)) {
-		return nullptr;
-	}
+    if (me && !me->init(value, numberOfBits)) {
+        me->release();
+        return 0;
+    }
 
-	return me;
+    return me;
 }
 
-OSSharedPtr<OSNumber>
-OSNumber::withNumber(const char *value, unsigned int newNumberOfBits)
+unsigned int OSNumber::numberOfBits() const { return size; }
+
+unsigned int OSNumber::numberOfBytes() const { return (size + 7) / 8; }
+
+
+unsigned char OSNumber::unsigned8BitValue() const
 {
-	OSSharedPtr<OSNumber> me = OSMakeShared<OSNumber>();
-
-	if (me && !me->init(value, newNumberOfBits)) {
-		return nullptr;
-	}
-
-	return me;
+    return (unsigned char) value;
 }
 
-OSSharedPtr<OSNumber>
-OSNumber::withDouble(
-	double             value)
+unsigned short OSNumber::unsigned16BitValue() const
 {
-	OSSharedPtr<OSNumber> me = OSMakeShared<OSNumber>();
-
-	if (me && !me->OSObject::init()) {
-		return nullptr;
-	}
-	me->size = 63;
-	me->fpValue = value;
-
-	return me;
+    return (unsigned short) value;
 }
 
-OSSharedPtr<OSNumber>
-OSNumber::withFloat(
-	float             value)
+unsigned int OSNumber::unsigned32BitValue() const
 {
-	OSSharedPtr<OSNumber> me = OSMakeShared<OSNumber>();
-
-	if (me && !me->OSObject::init()) {
-		return nullptr;
-	}
-	me->size = 31;
-	me->fpValue = (double) value;
-
-	return me;
+    return (unsigned int) value;
 }
 
-double
-OSNumber::doubleValue() const
+unsigned long long OSNumber::unsigned64BitValue() const
 {
-	if ((size != 63) && (size != 31)) {
-		return (double) value;
-	}
-	return fpValue;
+    return value;
 }
 
-float
-OSNumber::floatValue() const
+void OSNumber::addValue(signed long long inValue)
 {
-	if ((size != 63) && (size != 31)) {
-		return (float) value;
-	}
-	return (float) fpValue;
+    value = ((value + inValue) & sizeMask);
 }
 
-unsigned int
-OSNumber::numberOfBits() const
+void OSNumber::setValue(unsigned long long inValue)
 {
-	return size;
+    value = (inValue & sizeMask);
 }
 
-unsigned int
-OSNumber::numberOfBytes() const
+bool OSNumber::isEqualTo(const OSNumber *integer) const
 {
-	return (size + 7) / 8;
+    return((value == integer->value));
 }
 
-
-unsigned char
-OSNumber::unsigned8BitValue() const
+bool OSNumber::isEqualTo(const OSMetaClassBase *obj) const
 {
-	if ((size == 63) || (size == 31)) {
-		return (unsigned char) fpValue;
-	}
-	return (unsigned char) value;
+    OSNumber *	offset;
+    if ((offset = OSDynamicCast(OSNumber, obj)))
+	return isEqualTo(offset);
+    else
+	return false;
 }
 
-unsigned short
-OSNumber::unsigned16BitValue() const
+bool OSNumber::serialize(OSSerialize *s) const
 {
-	if ((size == 63) || (size == 31)) {
-		return (unsigned short) fpValue;
-	}
-	return (unsigned short) value;
+    char temp[32];
+    
+    if (s->previouslySerialized(this)) return true;
+
+    sprintf(temp, "integer size=\"%d\"", size); 
+    if (!s->addXMLStartTag(this, temp)) return false;
+    
+    //XXX    sprintf(temp, "0x%qx", value);
+    if ((value >> 32)) {
+        sprintf(temp, "0x%lx%08lx", (unsigned long)(value >> 32),
+                    (unsigned long)(value & 0xFFFFFFFF));
+    } else { 
+        sprintf(temp, "0x%lx", (unsigned long)value);
+    }
+    if (!s->addString(temp)) return false;
+
+    return s->addXMLEndTag("integer");
 }
-
-unsigned int
-OSNumber::unsigned32BitValue() const
-{
-	if ((size == 63) || (size == 31)) {
-		return (unsigned int) fpValue;
-	}
-	return (unsigned int) value;
-}
-
-unsigned long long
-OSNumber::unsigned64BitValue() const
-{
-	if ((size == 63) || (size == 31)) {
-		return (unsigned long long) fpValue;
-	}
-	return value;
-}
-
-void
-OSNumber::addValue(signed long long inValue)
-{
-	if ((size == 63) || (size == 31)) {
-		fpValue += inValue;
-	} else {
-		value = ((value + inValue) & sizeMask);
-	}
-}
-
-void
-OSNumber::setValue(unsigned long long inValue)
-{
-	if ((size == 63) || (size == 31)) {
-		fpValue = (double) inValue;
-	} else {
-		value = (inValue & sizeMask);
-	}
-}
-
-bool
-OSNumber::isEqualTo(const OSNumber *integer) const
-{
-	return unsigned64BitValue() == integer->unsigned64BitValue();
-}
-
-bool
-OSNumber::isEqualTo(const OSMetaClassBase *obj) const
-{
-	OSNumber *  offset;
-	if ((offset = OSDynamicCast(OSNumber, obj))) {
-		return isEqualTo(offset);
-	} else {
-		return false;
-	}
-}
-
-bool
-OSNumber::serialize(OSSerialize *s) const
-{
-	char temp[32];
-
-	if (s->previouslySerialized(this)) {
-		return true;
-	}
-
-	snprintf(temp, sizeof(temp), "integer size=\"%d\"", size);
-	if (!s->addXMLStartTag(this, temp)) {
-		return false;
-	}
-
-	//XXX    sprintf(temp, "0x%qx", value);
-	if ((value >> 32)) {
-		snprintf(temp, sizeof(temp), "0x%lx%08lx", (unsigned long)(value >> 32),
-		    (unsigned long)(value & 0xFFFFFFFF));
-	} else {
-		snprintf(temp, sizeof(temp), "0x%lx", (unsigned long)value);
-	}
-	if (!s->addString(temp)) {
-		return false;
-	}
-
-	return s->addXMLEndTag("integer");
-}