forked from KolibriOS/kolibrios
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
|
/****************************************************************************
|
||
|
|
*
|
||
|
|
* 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 );
|
||
|
|
}
|