1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * attropen -- C library extension routine 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 34*0Sstevel@tonic-gate #pragma weak attropen64 = _attropen64 35*0Sstevel@tonic-gate #else 36*0Sstevel@tonic-gate #pragma weak attropen = _attropen 37*0Sstevel@tonic-gate #endif 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #include "synonyms.h" 40*0Sstevel@tonic-gate #include <sys/types.h> 41*0Sstevel@tonic-gate #include <sys/stat.h> 42*0Sstevel@tonic-gate #include <fcntl.h> 43*0Sstevel@tonic-gate #include <sys/errno.h> 44*0Sstevel@tonic-gate #include <stdlib.h> 45*0Sstevel@tonic-gate #include <errno.h> 46*0Sstevel@tonic-gate #include <unistd.h> 47*0Sstevel@tonic-gate #include <stdarg.h> 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate int 52*0Sstevel@tonic-gate attropen64(const char *file, const char *attr, int oflag, ...) 53*0Sstevel@tonic-gate { 54*0Sstevel@tonic-gate int fd; 55*0Sstevel@tonic-gate int attrfd; 56*0Sstevel@tonic-gate int saverrno; 57*0Sstevel@tonic-gate va_list ap; 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate va_start(ap, oflag); 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate if ((fd = open64(file, O_RDONLY|O_NONBLOCK)) == -1) { 62*0Sstevel@tonic-gate va_end(ap); 63*0Sstevel@tonic-gate return (-1); 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate if ((attrfd = openat64(fd, attr, oflag | O_XATTR, 67*0Sstevel@tonic-gate va_arg(ap, mode_t))) == -1) { 68*0Sstevel@tonic-gate saverrno = errno; 69*0Sstevel@tonic-gate (void) close(fd); 70*0Sstevel@tonic-gate errno = saverrno; 71*0Sstevel@tonic-gate va_end(ap); 72*0Sstevel@tonic-gate return (-1); 73*0Sstevel@tonic-gate } 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate (void) close(fd); 76*0Sstevel@tonic-gate va_end(ap); 77*0Sstevel@tonic-gate return (attrfd); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate #else 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate int 83*0Sstevel@tonic-gate attropen(const char *file, const char *attr, int oflag, ...) 84*0Sstevel@tonic-gate { 85*0Sstevel@tonic-gate int fd; 86*0Sstevel@tonic-gate int attrfd; 87*0Sstevel@tonic-gate int saverrno; 88*0Sstevel@tonic-gate va_list ap; 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate va_start(ap, oflag); 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate if ((fd = open(file, O_RDONLY|O_NONBLOCK)) == -1) { 93*0Sstevel@tonic-gate va_end(ap); 94*0Sstevel@tonic-gate return (-1); 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate if ((attrfd = openat(fd, attr, oflag | O_XATTR, 98*0Sstevel@tonic-gate va_arg(ap, mode_t))) == -1) { 99*0Sstevel@tonic-gate saverrno = errno; 100*0Sstevel@tonic-gate (void) close(fd); 101*0Sstevel@tonic-gate errno = saverrno; 102*0Sstevel@tonic-gate va_end(ap); 103*0Sstevel@tonic-gate return (-1); 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate (void) close(fd); 107*0Sstevel@tonic-gate va_end(ap); 108*0Sstevel@tonic-gate return (attrfd); 109*0Sstevel@tonic-gate } 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate #endif /* _FILE_OFFSET_BITS == 64 */ 112