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/*
* $Id: ftello64.c 4148 2011-03-02 08:36:31Z baud $
*/
/*
* Copyright (C) 1990-2011 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: ftello64.c,v $ $Revision: 4148 $ $Date: 2011-03-02 09:36:31 +0100 (Wed, 02 Mar 2011) $ CERN/IT/PDP/DM F. Hemmer, A. Trannoy, P. Gaillardon";
#endif /* not lint */
/* ftello64.c Remote File I/O - get current file position. */
/*
* System remote file I/O definitions
*/
#define RFIO_KERNEL 1
#include "rfio.h"
#include "rfio_rfilefdt.h"
#include "u64subr.h"
#include <stdlib.h>
/*
* Remote file ftello
*/
off64_t rfio_ftello64(fp)
RFILE *fp;
{
off64_t offsetout;
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio", "rfio_ftello64(%x)", fp);
/*
* Checking fp validity
*/
if (fp == NULL) {
errno = EBADF;
TRACE(2,"rfio","rfio_ftello64() : FILE ptr is NULL ");
END_TRACE();
return -1;
}
/*
* The file is local : this is the only way to detect it !
*/
if (rfio_rfilefdt_findptr(fp,FINDRFILE_WITH_SCAN) == -1) {
TRACE(2,"rfio","rfio_ftello64() : using local ftello64() ");
offsetout = ftello64((FILE *)fp);
if ( offsetout < 0 ) serrno = 0;
rfio_errno = 0;
END_TRACE();
return offsetout;
}
TRACE(2,"rfio","rfio_ftello64() : after remoteio") ;
/*
* Checking magic number
*/
if (fp->magic != RFIO_MAGIC) {
int fps = fp->s;
serrno = SEBADVERSION;
TRACE(2,"rfio","rfio_ftello64() : Bad magic number");
free((char *)fp);
(void) close(fps);
END_TRACE();
return -1;
}
/* Just use rfio_lseek64 */
offsetout = rfio_lseek64(fp->s, (off64_t)0, SEEK_CUR);
END_TRACE();
return offsetout;
}
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