59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
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// $package. http://www.slack.net/~ant/
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#include "blargg_common.h"
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/* Copyright (C) 2008-2009 Shay Green. This module is free software; you
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can redistribute it and/or modify it under the terms of the GNU Lesser
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General Public License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version. This
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module is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details. You should have received a copy of the GNU Lesser General Public
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License along with this module; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "blargg_source.h"
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BLARGG_NAMESPACE_BEGIN
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// defined here to avoid need for blargg_errors.cpp in simple programs
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blargg_err_def_t blargg_err_memory = BLARGG_ERR_MEMORY;
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void blargg_vector_::init()
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{
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begin_ = NULL;
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size_ = 0;
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}
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void blargg_vector_::clear()
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{
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void* p = begin_;
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begin_ = NULL;
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size_ = 0;
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free( p );
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}
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blargg_err_t blargg_vector_::resize_( size_t n, size_t elem_size )
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{
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if ( n != size_ )
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{
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if ( n == 0 )
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{
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// Simpler to handle explicitly. Realloc will handle a size of 0,
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// but then we have to avoid raising an error for a NULL return.
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clear();
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}
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else
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{
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void* p = realloc( begin_, n * elem_size );
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CHECK_ALLOC( p );
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begin_ = p;
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size_ = n;
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}
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}
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return blargg_ok;
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}
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BLARGG_NAMESPACE_END
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