/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* attropen -- C library extension routine
*/
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#pragma weak _attropen64 = attropen64
#else
#pragma weak _attropen = attropen
#endif
#include "lint.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <stdarg.h>
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
int
attropen64(const char *file, const char *attr, int oflag, ...)
{
int fd;
int attrfd;
int saverrno;
va_list ap;
va_start(ap, oflag);
if ((fd = open64(file, O_RDONLY|O_NONBLOCK)) == -1) {
va_end(ap);
return (-1);
}
if ((attrfd = openat64(fd, attr, oflag | O_XATTR,
va_arg(ap, mode_t))) == -1) {
saverrno = errno;
(void) close(fd);
errno = saverrno;
va_end(ap);
return (-1);
}
(void) close(fd);
va_end(ap);
return (attrfd);
}
#else
int
attropen(const char *file, const char *attr, int oflag, ...)
{
int fd;
int attrfd;
int saverrno;
va_list ap;
va_start(ap, oflag);
if ((fd = open(file, O_RDONLY|O_NONBLOCK)) == -1) {
va_end(ap);
return (-1);
}
if ((attrfd = openat(fd, attr, oflag | O_XATTR,
va_arg(ap, mode_t))) == -1) {
saverrno = errno;
(void) close(fd);
errno = saverrno;
va_end(ap);
return (-1);
}
(void) close(fd);
va_end(ap);
return (attrfd);
}
#endif /* _FILE_OFFSET_BITS == 64 */