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553 | serge | 1 | /**************************************************************************** |
2 | * |
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3 | * Open Watcom Project |
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4 | * |
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5 | * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
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6 | * |
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7 | * ======================================================================== |
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8 | * |
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9 | * This file contains Original Code and/or Modifications of Original |
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10 | * Code as defined in and that are subject to the Sybase Open Watcom |
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11 | * Public License version 1.0 (the 'License'). You may not use this file |
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12 | * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
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13 | * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
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14 | * provided with the Original Code and Modifications, and is also |
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15 | * available at www.sybase.com/developer/opensource. |
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16 | * |
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17 | * The Original Code and all software distributed under the License are |
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18 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
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19 | * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
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20 | * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
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21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
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22 | * NON-INFRINGEMENT. Please see the License for the specific language |
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23 | * governing rights and limitations under the License. |
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24 | * |
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25 | * ======================================================================== |
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26 | * |
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27 | * Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
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28 | * DESCRIBE IT HERE! |
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29 | * |
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30 | ****************************************************************************/ |
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31 | |||
32 | |||
33 | #include "variety.h" |
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34 | #include |
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35 | #include |
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36 | #include |
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37 | #include |
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704 | serge | 38 | #include "kolibri.h" |
553 | serge | 39 | |
704 | serge | 40 | void* user_alloc(unsigned size); |
553 | serge | 41 | |
42 | extern unsigned _curbrk; |
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43 | extern unsigned _STACKTOP; |
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44 | |||
45 | _WCRTLINK void _WCNEAR *sbrk( int increment ) |
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46 | { |
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47 | if( increment > 0 ) |
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48 | { |
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49 | void* p; |
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50 | |||
51 | increment = ( increment + 0x0fff ) & ~0x0fff; |
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52 | //p = LocalAlloc( LMEM_FIXED, increment ); |
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53 | //p = VirtualAlloc(NULL, increment, MEM_COMMIT,PAGE_EXECUTE_READWRITE); |
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704 | serge | 54 | p = user_alloc(increment); |
553 | serge | 55 | if( p != NULL ) return( p ); |
56 | errno = ENOMEM; |
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57 | } |
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58 | else |
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59 | { |
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60 | errno = EINVAL; |
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61 | } |
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62 | return( (void *) -1 ); |
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63 | } |