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ISSUE6
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GuiLib
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GuiFlex
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GuiFlexGlobal
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2003-02-14
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//--------------------------------------------------------------------------
//
// Copyright (c) 2002, Colin Granville
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the following
// conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// * The name Colin Granville may not be used to endorse or promote
// products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
//
//--------------------------------------------------------------------------
#include "GuiFlexGlobal.h"
#include "GuiFlexDA.h"
#include "GuiFlexFlex.h"
#include <stdlib.h>
#include <stl:string.h>
GuiFlex* GuiFlexGlobal::f=0;
GuiFlex* GuiFlexGlobal::init(const char* name,int* error_fd)
{
if (!f && name)
{
string env=name;
env+="$DynamicAreaSize";
char* value=getenv(env.c_str());
if (value)
{
int da_size=atoi(value);
if (da_size < 0 || da_size > 512)
da_size=-1;
else
da_size *= 1024*1024;
if (da_size)
{
GuiFlexDA* da=new GuiFlexDA(name,error_fd,da_size);
if (da && !da->isOk()) {delete da;da=0;}
f=da;
}
}
}
if (!f)
{
f=GuiFlexFlex_init(name,error_fd);
f->setBudge(1);
}
return f;
}