Add Beast fork from JUCE commit 265fb0e8ebc26e1469d6edcc68d2ca9acefeb508

modules/beast_core/misc/beast_Uuid.cpp

@@ -0,0 +1,109 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Portions of this file are from JUCE.
+    Copyright (c) 2013 - Raw Material Software Ltd.
+    Please visit http://www.juce.com
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+namespace
+{
+    int64 getRandomSeedFromMACAddresses()
+    {
+        Array<MACAddress> result;
+        MACAddress::findAllAddresses (result);
+
+        Random r;
+        for (int i = 0; i < result.size(); ++i)
+            r.combineSeed (result[i].toInt64());
+
+        return r.nextInt64();
+    }
+}
+
+//==============================================================================
+Uuid::Uuid()
+{
+    // The normal random seeding is pretty good, but we'll throw some MAC addresses
+    // into the mix too, to make it very very unlikely that two UUIDs will ever be the same..
+
+    static Random r1 (getRandomSeedFromMACAddresses());
+    Random r2;
+
+    for (size_t i = 0; i < sizeof (uuid); ++i)
+        uuid[i] = (uint8) (r1.nextInt() ^ r2.nextInt());
+}
+
+Uuid::~Uuid() noexcept {}
+
+Uuid::Uuid (const Uuid& other) noexcept
+{
+    memcpy (uuid, other.uuid, sizeof (uuid));
+}
+
+Uuid& Uuid::operator= (const Uuid& other) noexcept
+{
+    memcpy (uuid, other.uuid, sizeof (uuid));
+    return *this;
+}
+
+bool Uuid::operator== (const Uuid& other) const noexcept    { return memcmp (uuid, other.uuid, sizeof (uuid)) == 0; }
+bool Uuid::operator!= (const Uuid& other) const noexcept    { return ! operator== (other); }
+
+bool Uuid::isNull() const noexcept
+{
+    for (size_t i = 0; i < sizeof (uuid); ++i)
+        if (uuid[i] != 0)
+            return false;
+
+    return true;
+}
+
+String Uuid::toString() const
+{
+    return String::toHexString (uuid, sizeof (uuid), 0);
+}
+
+Uuid::Uuid (const String& uuidString)
+{
+    operator= (uuidString);
+}
+
+Uuid& Uuid::operator= (const String& uuidString)
+{
+    MemoryBlock mb;
+    mb.loadFromHexString (uuidString);
+    mb.ensureSize (sizeof (uuid), true);
+    mb.copyTo (uuid, 0, sizeof (uuid));
+    return *this;
+}
+
+Uuid::Uuid (const uint8* const rawData)
+{
+    operator= (rawData);
+}
+
+Uuid& Uuid::operator= (const uint8* const rawData) noexcept
+{
+    if (rawData != nullptr)
+        memcpy (uuid, rawData, sizeof (uuid));
+    else
+        zeromem (uuid, sizeof (uuid));
+
+    return *this;
+}