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/*
* $Id: fseeko64.c 4148 2011-03-02 08:36:31Z baud $
*/
/*
* Copyright (C) 1998-2011 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: fseeko64.c,v $ $Revision: 4148 $ $Date: 2011-03-02 09:36:31 +0100 (Wed, 02 Mar 2011) $ CERN/IT/PDP/DM Fabien Collin, Philippe Gaillardon";
#endif /* not lint */
/* fseeko64.c Remote File I/O - fseek library call */
/*
* 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 fseek
*/
int DLL_DECL rfio_fseeko64(fp, offset, whence)
RFILE *fp;
off64_t offset;
int whence;
{
int rc;
off64_t offsetout;
char tmpbuf[21];
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio", "rfio_fseeko64(%x, %s, %d)", fp, u64tostr(offset,tmpbuf,0), whence);
/*
* Checking fp validity
*/
if (fp == NULL) {
errno = EBADF;
TRACE(2,"rfio","rfio_fseeko64() : FILE ptr is NULL ");
END_TRACE();
return -1;
}
if (rfio_rfilefdt_findptr(fp,FINDRFILE_WITH_SCAN) == -1) {
TRACE(2,"rfio","rfio_fseeko64() : using local fseeko64() ");
rc = fseeko64((FILE *)fp, offset, whence);
if ( rc < 0 ) serrno = 0;
rfio_errno = 0;
END_TRACE();
return rc;
}
TRACE(2,"rfio","rfio_fseeko64() : after remoteio") ;
/*
* Checking magic number
*/
if (fp->magic != RFIO_MAGIC) {
int fps = fp->s;
serrno = SEBADVERSION;
TRACE(2, "rfio", "rfio_fseeko64() : Bad magic number");
free((char *)fp);
(void) close(fps);
END_TRACE();
return -1;
}
/*
* The file is remote
*/
offsetout = rfio_lseek64(fp->s, offset, whence);
if ( offsetout == (off64_t)-1 ) {
rc = -1;
#ifdef linux
((RFILE *)fp)->eof |= _IO_ERR_SEEN;
#else
#if defined( __APPLE__)
((RFILE *)fp)->eof |= __SERR;
#else
#ifdef __Lynx__
((RFILE *)fp)->eof |= _ERR;
#else
((RFILE *)fp)->eof |= _IOERR;
#endif
#endif
#endif
}
else {
rc = 0;
}
END_TRACE();
return rc;
}
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