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/* @(#)fileluopen.c 1.17 04/08/08 Copyright 1986, 1995-2003 J. Schilling */
/*
* Copyright (c) 1986, 1995-2003 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#include "schilyio.h"
/*
* Note that because of a definition in schilyio.h we are using fseeko()/ftello()
* instead of fseek()/ftell() if available.
*/
#ifndef O_NDELAY /* This is undefined on BeOS :-( */
#define O_NDELAY 0
#endif
#ifndef O_CREAT
#define O_CREAT 0
#endif
#ifndef O_TRUNC
#define O_TRUNC 0
#endif
#ifndef O_EXCL
#define O_EXCL 0
#endif
/*
* fileluopen - open a stream for lun
*/
EXPORT FILE *
fileluopen(f, mode)
int f;
const char *mode;
{
int omode = 0;
int flag = 0;
if (!_cvmod(mode, &omode, &flag))
return ((FILE *) NULL);
if (omode & (O_NDELAY|O_CREAT|O_TRUNC|O_EXCL)) {
raisecond(_badmode, 0L);
return ((FILE *) NULL);
}
#ifdef F_GETFD
if (fcntl(f, F_GETFD, 0) < 0) {
raisecond(_badfile, 0L);
return ((FILE *) NULL);
}
#endif
#ifdef O_APPEND
if (omode & O_APPEND)
lseek(f, (off_t)0, SEEK_END);
#endif
return (_fcons((FILE *)0, f, flag));
}
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