| 0,0 → 1,58 |
|---|
| /**************************************************************************** |
| * |
| * 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 "dll.h" // needs to be first |
| #include "variety.h" |
| #include <stddef.h> |
| #include <malloc.h> |
| #include "heap.h" |
| #include "heapacc.h" |
| |
| _WCRTLINK size_t _memmax( void ) /* return size of largest free piece from near heap */ |
| { |
| size_t maxlen, size; |
| frlptr pnext; |
| mheapptr mhp; |
| |
| maxlen = 0; |
| _AccessNHeap(); |
| for( mhp = __nheapbeg; mhp != NULL; mhp = mhp->next ) { |
| pnext = mhp->freehead.next; |
| while( pnext != (frlptr) &mhp->freehead ) { |
| size = ((pnext->len - TAG_SIZE) & ~ROUND_SIZE); |
| if( size > maxlen ) maxlen = size; |
| pnext = pnext->next; |
| } |
| } |
| _ReleaseNHeap(); |
| return( maxlen ); |
| } |