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