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 #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * attropen -- C library extension routine 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 34*7257d1b4Sraf #pragma weak _attropen64 = attropen64 357c478bd9Sstevel@tonic-gate #else 36*7257d1b4Sraf #pragma weak _attropen = attropen 377c478bd9Sstevel@tonic-gate #endif 387c478bd9Sstevel@tonic-gate 39*7257d1b4Sraf #include "lint.h" 407c478bd9Sstevel@tonic-gate #include <sys/types.h> 417c478bd9Sstevel@tonic-gate #include <sys/stat.h> 427c478bd9Sstevel@tonic-gate #include <fcntl.h> 437c478bd9Sstevel@tonic-gate #include <stdlib.h> 447c478bd9Sstevel@tonic-gate #include <errno.h> 457c478bd9Sstevel@tonic-gate #include <unistd.h> 467c478bd9Sstevel@tonic-gate #include <stdarg.h> 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate int 517c478bd9Sstevel@tonic-gate attropen64(const char *file, const char *attr, int oflag, ...) 527c478bd9Sstevel@tonic-gate { 537c478bd9Sstevel@tonic-gate int fd; 547c478bd9Sstevel@tonic-gate int attrfd; 557c478bd9Sstevel@tonic-gate int saverrno; 567c478bd9Sstevel@tonic-gate va_list ap; 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate va_start(ap, oflag); 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate if ((fd = open64(file, O_RDONLY|O_NONBLOCK)) == -1) { 617c478bd9Sstevel@tonic-gate va_end(ap); 627c478bd9Sstevel@tonic-gate return (-1); 637c478bd9Sstevel@tonic-gate } 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate if ((attrfd = openat64(fd, attr, oflag | O_XATTR, 667c478bd9Sstevel@tonic-gate va_arg(ap, mode_t))) == -1) { 677c478bd9Sstevel@tonic-gate saverrno = errno; 687c478bd9Sstevel@tonic-gate (void) close(fd); 697c478bd9Sstevel@tonic-gate errno = saverrno; 707c478bd9Sstevel@tonic-gate va_end(ap); 717c478bd9Sstevel@tonic-gate return (-1); 727c478bd9Sstevel@tonic-gate } 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate (void) close(fd); 757c478bd9Sstevel@tonic-gate va_end(ap); 767c478bd9Sstevel@tonic-gate return (attrfd); 777c478bd9Sstevel@tonic-gate } 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate #else 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate int 827c478bd9Sstevel@tonic-gate attropen(const char *file, const char *attr, int oflag, ...) 837c478bd9Sstevel@tonic-gate { 847c478bd9Sstevel@tonic-gate int fd; 857c478bd9Sstevel@tonic-gate int attrfd; 867c478bd9Sstevel@tonic-gate int saverrno; 877c478bd9Sstevel@tonic-gate va_list ap; 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate va_start(ap, oflag); 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate if ((fd = open(file, O_RDONLY|O_NONBLOCK)) == -1) { 927c478bd9Sstevel@tonic-gate va_end(ap); 937c478bd9Sstevel@tonic-gate return (-1); 947c478bd9Sstevel@tonic-gate } 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate if ((attrfd = openat(fd, attr, oflag | O_XATTR, 977c478bd9Sstevel@tonic-gate va_arg(ap, mode_t))) == -1) { 987c478bd9Sstevel@tonic-gate saverrno = errno; 997c478bd9Sstevel@tonic-gate (void) close(fd); 1007c478bd9Sstevel@tonic-gate errno = saverrno; 1017c478bd9Sstevel@tonic-gate va_end(ap); 1027c478bd9Sstevel@tonic-gate return (-1); 1037c478bd9Sstevel@tonic-gate } 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate (void) close(fd); 1067c478bd9Sstevel@tonic-gate va_end(ap); 1077c478bd9Sstevel@tonic-gate return (attrfd); 1087c478bd9Sstevel@tonic-gate } 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate #endif /* _FILE_OFFSET_BITS == 64 */ 111