17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7257d1b4Sraf * Common Development and Distribution License (the "License").
6*7257d1b4Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
21*7257d1b4Sraf
227c478bd9Sstevel@tonic-gate /*
23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /*
287c478bd9Sstevel@tonic-gate * attropen -- C library extension routine
297c478bd9Sstevel@tonic-gate */
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
32*7257d1b4Sraf #pragma weak _attropen64 = attropen64
337c478bd9Sstevel@tonic-gate #else
34*7257d1b4Sraf #pragma weak _attropen = attropen
357c478bd9Sstevel@tonic-gate #endif
367c478bd9Sstevel@tonic-gate
37*7257d1b4Sraf #include "lint.h"
38*7257d1b4Sraf #include <sys/types.h>
39*7257d1b4Sraf #include <sys/stat.h>
40*7257d1b4Sraf #include <fcntl.h>
41*7257d1b4Sraf #include <stdlib.h>
42*7257d1b4Sraf #include <errno.h>
43*7257d1b4Sraf #include <unistd.h>
44*7257d1b4Sraf #include <stdarg.h>
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
477c478bd9Sstevel@tonic-gate
487c478bd9Sstevel@tonic-gate int
attropen64(const char * file,const char * attr,int oflag,...)497c478bd9Sstevel@tonic-gate attropen64(const char *file, const char *attr, int oflag, ...)
507c478bd9Sstevel@tonic-gate {
517c478bd9Sstevel@tonic-gate int fd;
527c478bd9Sstevel@tonic-gate int attrfd;
537c478bd9Sstevel@tonic-gate int saverrno;
547c478bd9Sstevel@tonic-gate va_list ap;
557c478bd9Sstevel@tonic-gate
567c478bd9Sstevel@tonic-gate va_start(ap, oflag);
577c478bd9Sstevel@tonic-gate
587c478bd9Sstevel@tonic-gate if ((fd = open64(file, O_RDONLY|O_NONBLOCK)) == -1) {
597c478bd9Sstevel@tonic-gate va_end(ap);
607c478bd9Sstevel@tonic-gate return (-1);
617c478bd9Sstevel@tonic-gate }
627c478bd9Sstevel@tonic-gate
637c478bd9Sstevel@tonic-gate if ((attrfd = openat64(fd, attr, oflag | O_XATTR,
64*7257d1b4Sraf va_arg(ap, mode_t))) == -1) {
657c478bd9Sstevel@tonic-gate saverrno = errno;
667c478bd9Sstevel@tonic-gate (void) close(fd);
677c478bd9Sstevel@tonic-gate errno = saverrno;
687c478bd9Sstevel@tonic-gate va_end(ap);
697c478bd9Sstevel@tonic-gate return (-1);
707c478bd9Sstevel@tonic-gate }
717c478bd9Sstevel@tonic-gate
727c478bd9Sstevel@tonic-gate (void) close(fd);
737c478bd9Sstevel@tonic-gate va_end(ap);
747c478bd9Sstevel@tonic-gate return (attrfd);
757c478bd9Sstevel@tonic-gate }
767c478bd9Sstevel@tonic-gate
777c478bd9Sstevel@tonic-gate #else
787c478bd9Sstevel@tonic-gate
797c478bd9Sstevel@tonic-gate int
attropen(const char * file,const char * attr,int oflag,...)807c478bd9Sstevel@tonic-gate attropen(const char *file, const char *attr, int oflag, ...)
817c478bd9Sstevel@tonic-gate {
827c478bd9Sstevel@tonic-gate int fd;
837c478bd9Sstevel@tonic-gate int attrfd;
847c478bd9Sstevel@tonic-gate int saverrno;
857c478bd9Sstevel@tonic-gate va_list ap;
867c478bd9Sstevel@tonic-gate
877c478bd9Sstevel@tonic-gate va_start(ap, oflag);
887c478bd9Sstevel@tonic-gate
897c478bd9Sstevel@tonic-gate if ((fd = open(file, O_RDONLY|O_NONBLOCK)) == -1) {
907c478bd9Sstevel@tonic-gate va_end(ap);
917c478bd9Sstevel@tonic-gate return (-1);
927c478bd9Sstevel@tonic-gate }
937c478bd9Sstevel@tonic-gate
947c478bd9Sstevel@tonic-gate if ((attrfd = openat(fd, attr, oflag | O_XATTR,
95*7257d1b4Sraf va_arg(ap, mode_t))) == -1) {
967c478bd9Sstevel@tonic-gate saverrno = errno;
977c478bd9Sstevel@tonic-gate (void) close(fd);
987c478bd9Sstevel@tonic-gate errno = saverrno;
997c478bd9Sstevel@tonic-gate va_end(ap);
1007c478bd9Sstevel@tonic-gate return (-1);
1017c478bd9Sstevel@tonic-gate }
1027c478bd9Sstevel@tonic-gate
1037c478bd9Sstevel@tonic-gate (void) close(fd);
1047c478bd9Sstevel@tonic-gate va_end(ap);
1057c478bd9Sstevel@tonic-gate return (attrfd);
1067c478bd9Sstevel@tonic-gate }
1077c478bd9Sstevel@tonic-gate
1087c478bd9Sstevel@tonic-gate #endif /* _FILE_OFFSET_BITS == 64 */
109