0,0 → 1,68 |
/**************************************************************************** |
* |
* 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" |
|
/* return the number of times that _nmalloc can be called to allocate |
and item "size" bytes from the near heap. */ |
|
_WCRTLINK unsigned int _freect( size_t size ) |
{ |
unsigned int count; |
size_t memsize; |
size_t size_of_chunk; |
frlptr pnext; |
mheapptr mhp; |
|
count = 0; |
size_of_chunk = (size + TAG_SIZE + ROUND_SIZE) & ~ROUND_SIZE; |
if( size_of_chunk < size ) return( 0 ); |
if( size_of_chunk < FRL_SIZE ) { |
size_of_chunk = FRL_SIZE; |
} |
_AccessNHeap(); |
for( mhp = __nheapbeg; mhp != NULL; mhp = mhp->next ) { |
pnext = mhp->freehead.next; |
while( pnext != (frlptr) &mhp->freehead ) { |
memsize = pnext->len; |
count += memsize / size_of_chunk; |
pnext = pnext->next; |
} |
} |
_ReleaseNHeap(); |
return( count ); |
} |