forked from KolibriOS/kolibrios
93 lines
2.8 KiB
C
93 lines
2.8 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: Platform independent __allocfp() implementation.
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#include "variety.h"
|
|
#include <stdio.h>
|
|
#include "liballoc.h"
|
|
#include "fileacc.h"
|
|
#include "rtdata.h"
|
|
#include "streamio.h"
|
|
|
|
#ifdef DLHEAP
|
|
|
|
void _cdecl dlfree(void*);
|
|
void _cdecl mf_init();
|
|
|
|
#define malloc dlmalloc
|
|
#define free dlfree
|
|
#define realloc dlrealloc
|
|
|
|
#define lib_free dlfree
|
|
#endif
|
|
|
|
/*
|
|
NOTE: This routine does not actually free the link/FILE structures.
|
|
That is because code assumes that it can fclose the file and then
|
|
freopen is a short time later. The __purgefp routine can be called
|
|
to actually release the storage.
|
|
*/
|
|
|
|
void __freefp( FILE * fp )
|
|
{
|
|
__stream_link **owner;
|
|
__stream_link *link;
|
|
|
|
_AccessIOB();
|
|
owner = &_RWD_ostream;
|
|
for( ;; ) {
|
|
link = *owner;
|
|
if( link == NULL )
|
|
return;
|
|
if( link->stream == fp )
|
|
break;
|
|
owner = &link->next;
|
|
}
|
|
fp->_flag |= _READ | _WRITE;
|
|
(*owner) = link->next;
|
|
link->next = _RWD_cstream;
|
|
_RWD_cstream = link;
|
|
_ReleaseIOB();
|
|
}
|
|
|
|
|
|
void __purgefp( void )
|
|
{
|
|
__stream_link *next;
|
|
|
|
_AccessIOB();
|
|
while( _RWD_cstream != NULL ) {
|
|
next = _RWD_cstream->next;
|
|
lib_free( _RWD_cstream );
|
|
_RWD_cstream = next;
|
|
}
|
|
_ReleaseIOB();
|
|
}
|