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libkern/c++/OSNumber.cpp xnu-201 xnu-6153.141.1
--- xnu/xnu-201/libkern/c++/OSNumber.cpp
+++ xnu/xnu-6153.141.1/libkern/c++/OSNumber.cpp
@@ -1,25 +1,33 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 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@
  */
 /* IOOffset.m created by rsulack on Wed 17-Sep-1997 */
+
+#include <sys/cdefs.h>
 
 #include <libkern/c++/OSNumber.h>
 #include <libkern/c++/OSString.h>
@@ -31,6 +39,7 @@
 #define super OSObject
 
 OSDefineMetaClassAndStructors(OSNumber, OSObject)
+
 OSMetaClassDefineReservedUnused(OSNumber, 0);
 OSMetaClassDefineReservedUnused(OSNumber, 1);
 OSMetaClassDefineReservedUnused(OSNumber, 2);
@@ -40,126 +49,151 @@
 OSMetaClassDefineReservedUnused(OSNumber, 6);
 OSMetaClassDefineReservedUnused(OSNumber, 7);
 
-bool OSNumber::init(unsigned long long inValue, unsigned int numberOfBits)
+bool
+OSNumber::init(unsigned long long inValue, unsigned int newNumberOfBits)
 {
-    if (!super::init())
-        return false;
+	if (!super::init()) {
+		return false;
+	}
+	if (newNumberOfBits > 64) {
+		return false;
+	}
 
-    size = numberOfBits;
-    value = (inValue & sizeMask);
+	size = newNumberOfBits;
+	value = (inValue & sizeMask);
 
-    return true;
+	return true;
 }
 
-bool OSNumber::init(const char *value, unsigned int numberOfBits)
+bool
+OSNumber::init(const char *newValue, unsigned int newNumberOfBits)
 {
-    unsigned long long thisOffset;
-
-#ifdef q_works
-    sscanf(value, "%qi", thisOffset);
-#else
-    unsigned int smallOffset;
-
-    sscanf(value, "%i", &smallOffset);
-    thisOffset = smallOffset;
-#endif
-
-    return init(thisOffset, numberOfBits);
+	return init((unsigned long long)strtoul(newValue, NULL, 0), newNumberOfBits);
 }
 
-void OSNumber::free() { super::free(); }
-
-OSNumber *OSNumber::withNumber(unsigned long long value,
-                           unsigned int numberOfBits)
+void
+OSNumber::free()
 {
-    OSNumber *me = new OSNumber;
-
-    if (me && !me->init(value, numberOfBits)) {
-        me->free();
-        return 0;
-    }
-
-    return me;
+	super::free();
 }
 
-OSNumber *OSNumber::withNumber(const char *value, unsigned int numberOfBits)
+OSNumber *
+OSNumber::withNumber(unsigned long long value,
+    unsigned int newNumberOfBits)
 {
-    OSNumber *me = new OSNumber;
+	OSNumber *me = new OSNumber;
 
-    if (me && !me->init(value, numberOfBits)) {
-        me->free();
-        return 0;
-    }
+	if (me && !me->init(value, newNumberOfBits)) {
+		me->release();
+		return NULL;
+	}
 
-    return me;
+	return me;
 }
 
-unsigned int OSNumber::numberOfBits() const { return size; }
+OSNumber *
+OSNumber::withNumber(const char *value, unsigned int newNumberOfBits)
+{
+	OSNumber *me = new OSNumber;
 
-unsigned int OSNumber::numberOfBytes() const { return (size + 7) / 8; }
+	if (me && !me->init(value, newNumberOfBits)) {
+		me->release();
+		return NULL;
+	}
+
+	return me;
+}
+
+unsigned int
+OSNumber::numberOfBits() const
+{
+	return size;
+}
+
+unsigned int
+OSNumber::numberOfBytes() const
+{
+	return (size + 7) / 8;
+}
 
 
-unsigned char OSNumber::unsigned8BitValue() const
+unsigned char
+OSNumber::unsigned8BitValue() const
 {
-    return (unsigned char) value;
+	return (unsigned char) value;
 }
 
-unsigned short OSNumber::unsigned16BitValue() const
+unsigned short
+OSNumber::unsigned16BitValue() const
 {
-    return (unsigned short) value;
+	return (unsigned short) value;
 }
 
-unsigned int OSNumber::unsigned32BitValue() const
+unsigned int
+OSNumber::unsigned32BitValue() const
 {
-    return (unsigned int) value;
+	return (unsigned int) value;
 }
 
-unsigned long long OSNumber::unsigned64BitValue() const
+unsigned long long
+OSNumber::unsigned64BitValue() const
 {
-    return value;
+	return value;
 }
 
-void OSNumber::addValue(signed long long inValue)
+void
+OSNumber::addValue(signed long long inValue)
 {
-    value = ((value + inValue) & sizeMask);
+	value = ((value + inValue) & sizeMask);
 }
 
-void OSNumber::setValue(unsigned long long inValue)
+void
+OSNumber::setValue(unsigned long long inValue)
 {
-    value = (inValue & sizeMask);
+	value = (inValue & sizeMask);
 }
 
-bool OSNumber::isEqualTo(const OSNumber *integer) const
+bool
+OSNumber::isEqualTo(const OSNumber *integer) const
 {
-    return((value == integer->value));
+	return value == integer->value;
 }
 
-bool OSNumber::isEqualTo(const OSMetaClassBase *obj) const
+bool
+OSNumber::isEqualTo(const OSMetaClassBase *obj) const
 {
-    OSNumber *	offset;
-    if ((offset = OSDynamicCast(OSNumber, obj)))
-	return isEqualTo(offset);
-    else
-	return false;
+	OSNumber *  offset;
+	if ((offset = OSDynamicCast(OSNumber, obj))) {
+		return isEqualTo(offset);
+	} else {
+		return false;
+	}
 }
 
-bool OSNumber::serialize(OSSerialize *s) const
+bool
+OSNumber::serialize(OSSerialize *s) const
 {
-    char temp[32];
-    
-    if (s->previouslySerialized(this)) return true;
+	char temp[32];
 
-    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;
+	if (s->previouslySerialized(this)) {
+		return true;
+	}
 
-    return s->addXMLEndTag("integer");
+	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");
 }