42 lines
1.3 KiB
C++
Executable File
42 lines
1.3 KiB
C++
Executable File
// Filename: dcPackData.cxx
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// Created by: drose (15Jun04)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "dcPackData.h"
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static const size_t extra_size = 50;
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////////////////////////////////////////////////////////////////////
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// Function: DCPackData::set_used_length
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// Access: Private
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// Description: Ensures that the buffer has at least size bytes, and
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// sets the _used_length to the indicated value; grows
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// the buffer if it does not.
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////////////////////////////////////////////////////////////////////
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void DCPackData::
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set_used_length(size_t size) {
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if (size > _allocated_size) {
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_allocated_size = size + size + extra_size;
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char *new_buf = new char[_allocated_size];
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if (_used_length > 0) {
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memcpy(new_buf, _buffer, _used_length);
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}
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if (_buffer != NULL) {
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delete[] _buffer;
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}
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_buffer = new_buf;
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}
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_used_length = size;
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}
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