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/****************************************************************************
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/****************************************************************************
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*
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*
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*                            Open Watcom Project
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*                            Open Watcom Project
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*
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*
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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*
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*  ========================================================================
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*  ========================================================================
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*
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*
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*    This file contains Original Code and/or Modifications of Original
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*    This file contains Original Code and/or Modifications of Original
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*    Code as defined in and that are subject to the Sybase Open Watcom
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*    Code as defined in and that are subject to the Sybase Open Watcom
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*    Public License version 1.0 (the 'License'). You may not use this file
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*    Public License version 1.0 (the 'License'). You may not use this file
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*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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*    provided with the Original Code and Modifications, and is also
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*    provided with the Original Code and Modifications, and is also
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*    available at www.sybase.com/developer/opensource.
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*    available at www.sybase.com/developer/opensource.
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*
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*
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*    The Original Code and all software distributed under the License are
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*    The Original Code and all software distributed under the License are
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*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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*    NON-INFRINGEMENT. Please see the License for the specific language
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*    NON-INFRINGEMENT. Please see the License for the specific language
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*    governing rights and limitations under the License.*
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*    governing rights and limitations under the License.*
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*  ========================================================================
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*  ========================================================================
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*
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*
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* Description:  low level lseek without file extend for Windows NT
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* Description:  low level lseek without file extend for Windows NT
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*
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*
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****************************************************************************/
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****************************************************************************/
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#include "variety.h"
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#include "variety.h"
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#include
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#include
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#include
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#include
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#include "iomode.h"
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#include "iomode.h"
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#include "rtcheck.h"
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#include "rtcheck.h"
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#include "seterrno.h"
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#include "seterrno.h"
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#include "lseek.h"
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#include "lseek.h"
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#include "handleio.h"
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#include "handleio.h"
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/*
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/*
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    DWORD SetFilePointer(
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    DWORD SetFilePointer(
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      HANDLE hFile,                // handle to file
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      HANDLE hFile,                // handle to file
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      LONG lDistanceToMove,        // bytes to move pointer
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      LONG lDistanceToMove,        // bytes to move pointer
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      PLONG lpDistanceToMoveHigh,  // bytes to move pointer
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      PLONG lpDistanceToMoveHigh,  // bytes to move pointer
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      DWORD dwMoveMethod           // starting point
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      DWORD dwMoveMethod           // starting point
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    );
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    );
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 */
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 */
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#ifndef INVALID_SET_FILE_POINTER
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#ifndef INVALID_SET_FILE_POINTER
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#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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#endif
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#endif
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typedef struct
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{
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  char     *name;
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  unsigned int offset;
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}__file_handle;
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typedef struct
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{   DWORD    attr;
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    DWORD    flags;
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    DWORD    cr_time;
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    DWORD    cr_date;
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    DWORD    acc_time;
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    DWORD    acc_date;
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    DWORD    mod_time;
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    DWORD    mod_date;
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    DWORD    size;
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    DWORD    size_high;
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} FILEINFO;
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int _stdcall get_fileinfo(const char *name,FILEINFO* pinfo);
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_WCRTLINK long __lseek( int hid, long offset, int origin )
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_WCRTLINK long __lseek( int hid, long offset, int origin )
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{
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{
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    DWORD               rc;
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    __file_handle *fh;
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    long rc;
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    __handle_check( hid, -1 );
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    __handle_check( hid, -1 );
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    rc = offset;
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    fh = (__file_handle*) __getOSHandle( hid );
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    switch(origin)
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    {
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      case SEEK_SET:
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        rc = offset;
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        break;
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      case SEEK_CUR:
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//    rc = SetFilePointer( __getOSHandle( hid ), offset, 0, origin );
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        rc = fh->offset + offset;
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        break;
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      case SEEK_END:
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      {
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        FILEINFO info;
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//    if( rc == INVALID_SET_FILE_POINTER ) {
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        get_fileinfo(fh->name,&info);
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//        return( __set_errno_nt() );
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        rc = offset + info.size;
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        break;
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//    }
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      }
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      default:
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        return -1;
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    };
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    fh->offset = rc;
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    return( rc );
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    return( rc );
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}
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}
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