10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
51846Scraigm * Common Development and Distribution License (the "License").
61846Scraigm * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
211219Sraf
220Sstevel@tonic-gate /*
23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
240Sstevel@tonic-gate * Use is subject to license terms.
250Sstevel@tonic-gate */
260Sstevel@tonic-gate
270Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
301846Scraigm #pragma ident "%Z%%M% %I% %E% SMI"
310Sstevel@tonic-gate
320Sstevel@tonic-gate /*
330Sstevel@tonic-gate * Unix routine to do an "fopen" on file descriptor
340Sstevel@tonic-gate * The mode has to be repeated because you can't query its
350Sstevel@tonic-gate * status
360Sstevel@tonic-gate */
370Sstevel@tonic-gate
380Sstevel@tonic-gate #define _LARGEFILE64_SOURCE 1
390Sstevel@tonic-gate
40*6812Sraf #pragma weak _fdopen = fdopen
410Sstevel@tonic-gate
42*6812Sraf #include "lint.h"
430Sstevel@tonic-gate #include <mtlib.h>
440Sstevel@tonic-gate #include "file64.h"
450Sstevel@tonic-gate #include <sys/types.h>
460Sstevel@tonic-gate #include <unistd.h>
470Sstevel@tonic-gate #include <stdio.h>
480Sstevel@tonic-gate #include <limits.h>
490Sstevel@tonic-gate #include <thread.h>
500Sstevel@tonic-gate #include <synch.h>
510Sstevel@tonic-gate #include "stdiom.h"
520Sstevel@tonic-gate #include <errno.h>
530Sstevel@tonic-gate #include <fcntl.h>
540Sstevel@tonic-gate
550Sstevel@tonic-gate FILE *
fdopen(int fd,const char * type)560Sstevel@tonic-gate fdopen(int fd, const char *type) /* associate file desc. with stream */
570Sstevel@tonic-gate {
580Sstevel@tonic-gate /* iop doesn't need locking since this function is creating it */
590Sstevel@tonic-gate FILE *iop;
600Sstevel@tonic-gate char plus;
610Sstevel@tonic-gate unsigned char flag;
620Sstevel@tonic-gate
630Sstevel@tonic-gate /* Sets EBADF for bad fds */
640Sstevel@tonic-gate if (fcntl(fd, F_GETFD) == -1)
650Sstevel@tonic-gate return (NULL);
660Sstevel@tonic-gate
670Sstevel@tonic-gate if ((iop = _findiop()) == 0) {
680Sstevel@tonic-gate errno = ENOMEM;
690Sstevel@tonic-gate return (NULL);
700Sstevel@tonic-gate }
710Sstevel@tonic-gate
720Sstevel@tonic-gate switch (type[0]) {
730Sstevel@tonic-gate default:
740Sstevel@tonic-gate iop->_flag = 0; /* release iop */
750Sstevel@tonic-gate errno = EINVAL;
760Sstevel@tonic-gate return (NULL);
770Sstevel@tonic-gate case 'r':
780Sstevel@tonic-gate flag = _IOREAD;
790Sstevel@tonic-gate break;
800Sstevel@tonic-gate case 'a':
810Sstevel@tonic-gate (void) lseek64(fd, (off64_t)0, SEEK_END);
820Sstevel@tonic-gate /*FALLTHROUGH*/
830Sstevel@tonic-gate case 'w':
840Sstevel@tonic-gate flag = _IOWRT;
850Sstevel@tonic-gate break;
860Sstevel@tonic-gate }
870Sstevel@tonic-gate if ((plus = type[1]) == 'b') /* Unix ignores 'b' ANSI std */
880Sstevel@tonic-gate plus = type[2];
890Sstevel@tonic-gate if (plus == '+')
900Sstevel@tonic-gate flag = _IORW;
910Sstevel@tonic-gate iop->_flag = flag;
920Sstevel@tonic-gate
931846Scraigm #ifdef _LP64
941846Scraigm iop->_file = fd;
951846Scraigm #else
961846Scraigm if (fd <= _FILE_FD_MAX) {
971846Scraigm SET_FILE(iop, fd);
981846Scraigm } else if (_file_set(iop, fd, type) != 0) {
991846Scraigm /* errno set by _file_set () */
1001846Scraigm iop->_flag = 0; /* release iop */
1011846Scraigm return (NULL);
1021846Scraigm }
1031846Scraigm #endif /* _LP64 */
1041846Scraigm
1050Sstevel@tonic-gate return (iop);
1060Sstevel@tonic-gate }
107