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/*
* CDDL HEADER START
*
* 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.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Unix routine to do an "fopen" on file descriptor
* The mode has to be repeated because you can't query its
* status
*/
#define _LARGEFILE64_SOURCE 1
#pragma weak fdopen = _fdopen
#include <sys/feature_tests.h>
#define fdopen _fdopen
#if !defined(_LP64)
#define lseek64 _lseek64
#endif
#include "lint.h"
#include <mtlib.h>
#include "file64.h"
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <limits.h>
#include <thread.h>
#include <synch.h>
#include "stdiom.h"
#include <errno.h>
#include <fcntl.h>
FILE *
fdopen(int fd, const char *type) /* associate file desc. with stream */
{
/* iop doesn't need locking since this function is creating it */
FILE *iop;
char plus;
unsigned char flag;
/* Sets EBADF for bad fds */
if (fcntl(fd, F_GETFD) == -1)
return (NULL);
#ifdef _LP64
if ((iop = _findiop()) == 0) {
errno = ENOMEM;
return (NULL);
}
iop->_file = fd;
#else
if (fd > UCHAR_MAX) {
errno = EMFILE;
return (NULL);
}
if ((iop = _findiop()) == 0) {
errno = ENOMEM;
return (NULL);
}
iop->_file = (unsigned char)fd;
#endif /* _LP64 */
switch (type[0]) {
default:
iop->_flag = 0; /* release iop */
errno = EINVAL;
return (NULL);
case 'r':
flag = _IOREAD;
break;
case 'a':
(void) lseek64(fd, (off64_t)0, SEEK_END);
/*FALLTHROUGH*/
case 'w':
flag = _IOWRT;
break;
}
if ((plus = type[1]) == 'b') /* Unix ignores 'b' ANSI std */
plus = type[2];
if (plus == '+')
flag = _IORW;
iop->_flag = flag;
return (iop);
}
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