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diff --git a/src/libs/xpcom18a4/xpcom/ds/nsInt64.h b/src/libs/xpcom18a4/xpcom/ds/nsInt64.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsInt64_h__
+#define nsInt64_h__
+
+#include "prlong.h"
+#include "nscore.h"
+
+/**
+ * This class encapsulates full 64-bit integer functionality and
+ * provides simple arithmetic and conversion operations.
+ */
+
+// If you ever decide that you need to add a non-inline method to this
+// class, be sure to change the class declaration to "class NS_BASE
+// nsInt64".
+
+template<class T>
+class nsTInt64
+{
+public: //XXX should be private
+    T mValue;
+
+public:
+    /**
+     * Construct a new 64-bit integer.
+     */
+    nsTInt64(void) : mValue(LL_ZERO) {
+    }
+
+    /**
+     * Construct a new 64-bit integer from a 32-bit signed integer
+     */
+    nsTInt64(const PRInt32 aInt32) {
+        LL_I2L(mValue, aInt32);
+    }
+
+    /**
+     * Construct a new 64-bit integer from a 32-bit unsigned integer
+     */
+    nsTInt64(const PRUint32 aUint32) {
+        LL_UI2L(mValue, aUint32);
+    }
+
+    /**
+     * Construct a new 64-bit integer from a floating point value.
+     */
+    nsTInt64(const PRFloat64 aFloat64) {
+        LL_D2L(mValue, aFloat64);
+    }
+
+    /**
+     * Construct a new 64-bit integer from a native 64-bit integer
+     */
+    nsTInt64(const T aInt64) : mValue(aInt64) {
+    }
+
+    /**
+     * Construct a new 64-bit integer from another 64-bit integer
+     */
+    nsTInt64(const nsTInt64& aObject) : mValue(aObject.mValue) {
+    }
+
+    // ~nsTInt64(void) -- XXX destructor unnecessary
+
+    /**
+     * Assign a 64-bit integer to another 64-bit integer
+     */
+    const nsTInt64& operator =(const nsTInt64& aObject) {
+        mValue = aObject.mValue;
+        return *this;
+    }
+
+    /**
+     * Convert a 64-bit integer to a signed 32-bit value
+     */
+    operator PRInt32(void) const {
+        PRInt32 result;
+        LL_L2I(result, mValue);
+        return result;
+    }
+
+    /**
+     * Convert a 64-bit integer to an unsigned 32-bit value
+     */
+    operator PRUint32(void) const {
+        PRUint32 result;
+        LL_L2UI(result, mValue);
+        return result;
+    }
+
+    /**
+     * Convert a 64-bit integer to a floating point value
+     */
+    operator PRFloat64(void) const {
+        PRFloat64 result;
+        LL_L2D(result, mValue);
+        return result;
+    }
+
+    /**
+     * Convert a 64-bit integer to a native 64-bit integer.
+     */
+    operator T() const {
+        return mValue;
+    }
+
+    /**
+     * Perform unary negation on a 64-bit integer.
+     */
+    const nsTInt64 operator -(void) {
+        nsTInt64 result;
+        LL_NEG(result.mValue, mValue);
+        return result;
+    }
+
+    // Arithmetic operators
+
+    /**
+     * Increment a 64-bit integer by a 64-bit integer amount.
+     */
+    nsTInt64& operator +=(const nsTInt64& aObject) {
+        LL_ADD(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Decrement a 64-bit integer by a 64-bit integer amount.
+     */
+    nsTInt64& operator -=(const nsTInt64& aObject) {
+        LL_SUB(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Multiply a 64-bit integer by a 64-bit integer amount.
+     */
+    nsTInt64& operator *=(const nsTInt64& aObject) {
+        LL_MUL(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Divide a 64-bit integer by a 64-bit integer amount.
+     */
+    nsTInt64& operator /=(const nsTInt64& aObject) {
+        LL_DIV(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Compute the modulus of a 64-bit integer to a 64-bit value.
+     */
+    nsTInt64& operator %=(const nsTInt64& aObject) {
+        LL_MOD(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Shift a 64-bit integer left.
+     */
+    nsTInt64& operator <<=(int aCount) {
+        LL_SHL(mValue, mValue, aCount);
+        return *this;
+    }
+
+    /**
+     * Shift a 64-bit signed integer right.
+     */
+    nsTInt64& operator >>=(int aCount) {
+        LL_SHR(mValue, mValue, aCount);
+        return *this;
+    }
+
+    // Comparison operators
+    /**
+     * Add two 64-bit integers.
+     */
+    inline const nsTInt64
+    operator +(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) += aObject2;
+    }
+
+    /**
+     * Subtract one 64-bit integer from another.
+     */
+    inline const nsTInt64
+    operator -(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) -= aObject2;
+    }
+
+    /**
+     * Multiply two 64-bit integers
+     */
+    inline const nsTInt64
+    operator *(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) *= aObject2;
+    }
+
+    /**
+     * Divide one 64-bit integer by another
+     */
+    inline const nsTInt64
+    operator /(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) /= aObject2;
+    }
+
+    /**
+     * Compute the modulus of two 64-bit integers
+     */
+    inline const nsTInt64
+    operator %(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) %= aObject2;
+    }
+
+    /**
+     * Shift left a 64-bit integer
+     */
+    inline const nsTInt64
+    operator <<(int aCount) const {
+        return nsTInt64(*this) <<= aCount;
+    }
+
+    /**
+     * Shift right a signed 64-bit integer
+     */
+    inline const nsTInt64
+    operator >>(int aCount) const {
+        return nsTInt64(*this) >>= aCount;
+    }
+
+    /**
+     * Determine if two 64-bit integers are equal
+     */
+    inline PRBool
+    operator ==(const nsTInt64& aObject2) const {
+        return LL_EQ(mValue, aObject2.mValue);
+    }
+
+    /**
+     * Determine if two 64-bit integers are not equal
+     */
+    inline PRBool
+    operator !=(const nsTInt64& aObject2) const {
+        return LL_NE(mValue, aObject2.mValue);
+    }
+
+
+    /**
+     * Perform a bitwise AND of two 64-bit integers
+     */
+    inline const nsTInt64
+    operator &(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) &= aObject2;
+    }
+
+    /**
+     * Perform a bitwise OR of two 64-bit integers
+     */
+    inline const nsTInt64
+    operator |(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) |= aObject2;
+    }
+
+    /**
+     * Perform a bitwise XOR of two 64-bit integers
+     */
+    inline const nsTInt64
+    operator ^(const nsTInt64& aObject2) const {
+        return nsTInt64(*this) ^= aObject2;
+    }
+
+    // Bitwise operators
+
+    /**
+     * Compute the bitwise NOT of a 64-bit integer
+     */
+    const nsTInt64 operator ~(void) const {
+        nsTInt64 result;
+        LL_NOT(result.mValue, mValue);
+        return result;
+    }
+
+    /**
+     * Compute the bitwise AND with another 64-bit integer
+     */
+    nsTInt64& operator &=(const nsTInt64& aObject) {
+        LL_AND(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Compute the bitwise OR with another 64-bit integer
+     */
+    nsTInt64& operator |=(const nsTInt64& aObject) {
+        LL_OR(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+
+    /**
+     * Compute the bitwise XOR with another 64-bit integer
+     */
+    nsTInt64& operator ^=(const nsTInt64& aObject) {
+        LL_XOR(mValue, mValue, aObject.mValue);
+        return *this;
+    }
+};
+
+typedef nsTInt64<PRInt64> nsInt64;
+typedef nsTInt64<PRUint64> nsUint64;
+
+/**
+ * Determine if one 64-bit integer is strictly greater than another, using signed values
+ */
+inline PRBool
+operator >(const nsInt64& aObject1, const nsInt64& aObject2) {
+    return LL_CMP(aObject1.mValue, >, aObject2.mValue);
+}
+
+inline PRBool
+operator >(const nsUint64& aObject1, const nsUint64& aObject2) {
+    return LL_UCMP(aObject1.mValue, >, aObject2.mValue);
+}
+
+/**
+ * Determine if one 64-bit integer is greater than or equal to another, using signed values
+ */
+inline PRBool
+operator >=(const nsInt64& aObject1, const nsInt64& aObject2) {
+    return ! LL_CMP(aObject1.mValue, <, aObject2.mValue);
+}
+
+inline PRBool
+operator >=(const nsUint64& aObject1, const nsUint64& aObject2) {
+    return ! LL_UCMP(aObject1.mValue, <, aObject2.mValue);
+}
+
+/**
+ * Determine if one 64-bit integer is strictly less than another, using signed values
+ */
+inline PRBool 
+operator <(const nsInt64& aObject1, const nsInt64& aObject2) {
+    return LL_CMP(aObject1.mValue, <, aObject2.mValue);
+}
+
+inline PRBool 
+operator <(const nsUint64& aObject1, const nsUint64& aObject2) {
+    return LL_UCMP(aObject1.mValue, <, aObject2.mValue);
+}
+
+/**
+ * Determine if one 64-bit integers is less than or equal to another, using signed values
+ */
+inline PRBool
+operator <=(const nsInt64& aObject1, const nsInt64& aObject2) {
+    return ! LL_CMP(aObject1.mValue, >, aObject2.mValue);
+}
+
+inline PRBool
+operator <=(const nsUint64& aObject1, const nsUint64& aObject2) {
+    return ! LL_UCMP(aObject1.mValue, >, aObject2.mValue);
+}
+
+#endif // nsInt64_h__