Add Beast fork from JUCE commit 265fb0e8ebc26e1469d6edcc68d2ca9acefeb508

modules/beast_core/files/beast_FileOutputStream.cpp

@@ -0,0 +1,131 @@
+//------------------------------------------------------------------------------
+/*
+    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.
+*/
+//==============================================================================
+
+int64 beast_fileSetPosition (void* handle, int64 pos);
+
+//==============================================================================
+FileOutputStream::FileOutputStream (const File& f, const int bufferSize_)
+    : file (f),
+      fileHandle (nullptr),
+      status (Result::ok()),
+      currentPosition (0),
+      bufferSize (bufferSize_),
+      bytesInBuffer (0),
+      buffer ((size_t) bmax (bufferSize_, 16))
+{
+    openHandle();
+}
+
+FileOutputStream::~FileOutputStream()
+{
+    flushBuffer();
+    flushInternal();
+    closeHandle();
+}
+
+int64 FileOutputStream::getPosition()
+{
+    return currentPosition;
+}
+
+bool FileOutputStream::setPosition (int64 newPosition)
+{
+    if (newPosition != currentPosition)
+    {
+        flushBuffer();
+        currentPosition = beast_fileSetPosition (fileHandle, newPosition);
+    }
+
+    return newPosition == currentPosition;
+}
+
+bool FileOutputStream::flushBuffer()
+{
+    bool ok = true;
+
+    if (bytesInBuffer > 0)
+    {
+        ok = (writeInternal (buffer, bytesInBuffer) == (ssize_t) bytesInBuffer);
+        bytesInBuffer = 0;
+    }
+
+    return ok;
+}
+
+void FileOutputStream::flush()
+{
+    flushBuffer();
+    flushInternal();
+}
+
+bool FileOutputStream::write (const void* const src, const size_t numBytes)
+{
+    bassert (src != nullptr && ((ssize_t) numBytes) >= 0);
+
+    if (bytesInBuffer + numBytes < bufferSize)
+    {
+        memcpy (buffer + bytesInBuffer, src, numBytes);
+        bytesInBuffer += numBytes;
+        currentPosition += numBytes;
+    }
+    else
+    {
+        if (! flushBuffer())
+            return false;
+
+        if (numBytes < bufferSize)
+        {
+            memcpy (buffer + bytesInBuffer, src, numBytes);
+            bytesInBuffer += numBytes;
+            currentPosition += numBytes;
+        }
+        else
+        {
+            const ssize_t bytesWritten = writeInternal (src, numBytes);
+
+            if (bytesWritten < 0)
+                return false;
+
+            currentPosition += bytesWritten;
+            return bytesWritten == (ssize_t) numBytes;
+        }
+    }
+
+    return true;
+}
+
+void FileOutputStream::writeRepeatedByte (uint8 byte, size_t numBytes)
+{
+    bassert (((ssize_t) numBytes) >= 0);
+
+    if (bytesInBuffer + numBytes < bufferSize)
+    {
+        memset (buffer + bytesInBuffer, byte, numBytes);
+        bytesInBuffer += numBytes;
+        currentPosition += numBytes;
+    }
+    else
+    {
+        OutputStream::writeRepeatedByte (byte, numBytes);
+    }
+}