kolibrios/programs/develop/open watcom/trunk/clib/handleio/filelen.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:  Implements POSIX filelength() function and Watcom
*               _filelength64().
*
****************************************************************************/


#include "variety.h"

/* most includes should go after this line */
#include <stdio.h>
#include <unistd.h>
#include "iomode.h"
#include "rtcheck.h"

typedef struct 
{
  char     *name;
  unsigned int offset;
}__file_handle;

typedef struct
{   DWORD    attr;
    DWORD    flags;
    DWORD    cr_time;
    DWORD    cr_date;
    DWORD    acc_time;
    DWORD    acc_date;
    DWORD    mod_time;
    DWORD    mod_date;
    DWORD    size;
    DWORD    size_high; 
} FILEINFO;

int _stdcall get_fileinfo(const char *name,FILEINFO* pinfo);

_WCRTLINK long filelength( int handle )
{
    __file_handle *fh;
    FILEINFO info;

    __handle_check( handle, -1 );
    fh = (__file_handle*) __getOSHandle( handle);
    get_fileinfo(fh->name,&info);

    return( info.size );
}