kolibrios/programs/develop/open watcom/trunk/clib/crt/ioexit.c

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/****************************************************************************
*
* 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: I/O streams shutdown.
*
****************************************************************************/
#include "variety.h"
#include <stdio.h>
#include "rtdata.h"
extern void __purgefp(void);
extern int __shutdown_stream( FILE *fp, int );
static int docloseall( unsigned dont_close )
{
FILE *fp;
int number_of_files_closed;
__stream_link *link;
__stream_link *next;
FILE *bottom;
FILE *standards;
int close_handle;
bottom = &_RWD_iob[dont_close];
standards = &_RWD_iob[NUM_STD_STREAMS];
number_of_files_closed = 0;
for( link = _RWD_ostream; link != NULL; link = next ) {
next = link->next;
fp = link->stream;
close_handle = 1;
if ((fp->_flag & _DYNAMIC) || (fp->_flag & _TMPFIL))
{
__shutdown_stream( fp, close_handle );
++number_of_files_closed;
}
else if( fp >= bottom ) {
#ifndef __NETWARE__
/* close the file, but leave the handle open */
if( fp < standards ) {
close_handle = 0;
}
#endif
__shutdown_stream( fp, close_handle );
++number_of_files_closed;
}
}
return( number_of_files_closed );
}
_WCRTLINK int fcloseall( void )
{
return( docloseall( NUM_STD_STREAMS ) );
}
void __full_io_exit( void )
{
docloseall( 0 );
__purgefp();
}