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/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/* @(#)fdup.c 1.14 04/08/08 Copyright 1986, 1995-2003 J. Schilling */
/*
* Copyright (c) 1986, 1995-2003 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "schilyio.h"
/*
* Note that because of a definition in schilyio.h we are using fseeko()/ftello()
* instead of fseek()/ftell() if available.
*/
EXPORT FILE *
fdup(f)
register FILE *f;
{
int newfd;
down(f);
if ((newfd = dup(fileno(f))) < 0)
return ((FILE *) NULL);
lseek(newfd, ftell(f), SEEK_SET);
return (_fcons((FILE *)0, newfd, (FI_READ | FI_WRITE | FI_CLOSE)));
}
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