/****************************************************************************
*
* Open Watcom Project
*
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
* ========================================================================
*
* This file contains Original Code and/or Modifications of Original
* Code as defined in and that are subject to the Sybase Open Watcom
* Public License version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
* provided with the Original Code and Modifications, and is also
* available at www.sybase.com/developer/opensource.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
* NON-INFRINGEMENT. Please see the License for the specific language
* governing rights and limitations under the License.
*
* ========================================================================
*
* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
* DESCRIBE IT HERE!
*
****************************************************************************/
#include "variety.h"
#include <stddef.h>
#include <stdlib.h>
#include <errno.h>
#include <dos.h>
//#include <windows.h>
void* _stdcall UserAlloc(int size);
extern unsigned _curbrk;
extern unsigned _STACKTOP;
_WCRTLINK void _WCNEAR *sbrk( int increment )
{
if( increment > 0 )
{
void* p;
increment = ( increment + 0x0fff ) & ~0x0fff;
//p = LocalAlloc( LMEM_FIXED, increment );
//p = VirtualAlloc(NULL, increment, MEM_COMMIT,PAGE_EXECUTE_READWRITE);
p = UserAlloc(increment);
if( p != NULL ) return( p );
errno = ENOMEM;
}
else
{
errno = EINVAL;
}
return( (void *) -1 );
}