a73bea0da8
set_file_size: watcom-specific implementation git-svn-id: svn://kolibrios.org@727 a494cfbc-eb01-0410-851d-a64ba20cac60
83 lines
2.6 KiB
C
83 lines
2.6 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: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
|
|
* DESCRIBE IT HERE!
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#include "variety.h"
|
|
#include <windows.h>
|
|
#include <unistd.h>
|
|
#include "iomode.h"
|
|
#include "fileacc.h"
|
|
#include "rtcheck.h"
|
|
#include "seterrno.h"
|
|
#include "lseek.h"
|
|
#include "kolibri.h"
|
|
|
|
typedef struct
|
|
{
|
|
char *name;
|
|
unsigned int offset;
|
|
}__file_handle;
|
|
|
|
_WCRTLINK int chsize( int hid, long size )
|
|
{
|
|
long curOffset;
|
|
long rc;
|
|
__file_handle *fh;
|
|
|
|
__handle_check( hid, -1 );
|
|
fh = (__file_handle*) __getOSHandle( hid );
|
|
|
|
_AccessFileH( hid );
|
|
|
|
curOffset = __lseek( hid, 0L, SEEK_CUR ); /* get current offset */
|
|
|
|
rc = set_file_size(fh->name, size);
|
|
|
|
if(rc !=0 )
|
|
{
|
|
_ReleaseFileH( hid );
|
|
if(rc==8)
|
|
__set_errno( ENOSPC );
|
|
else
|
|
__set_errno( EACCES );
|
|
return -1;
|
|
};
|
|
|
|
if( curOffset > size ) curOffset = size;
|
|
curOffset = __lseek( hid, curOffset, SEEK_SET );
|
|
_ReleaseFileH( hid );
|
|
if( curOffset == -1 ) {
|
|
__set_errno(ENOSPC);
|
|
return( -1 );
|
|
}
|
|
return( 0 );
|
|
}
|