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 #ident "%Z%%M% %I% %E% SMI" 23*0Sstevel@tonic-gate 24*0Sstevel@tonic-gate /* 25*0Sstevel@tonic-gate * Copyright 1997 by Sun Microsystems, Inc. 26*0Sstevel@tonic-gate * All rights reserved. 27*0Sstevel@tonic-gate */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/param.h> 30*0Sstevel@tonic-gate #include <sys/types.h> 31*0Sstevel@tonic-gate #include <sys/systm.h> 32*0Sstevel@tonic-gate #include <sys/errno.h> 33*0Sstevel@tonic-gate #include <sys/pathname.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate int 36*0Sstevel@tonic-gate resolvepath(char *path, char *buf, size_t count) 37*0Sstevel@tonic-gate { 38*0Sstevel@tonic-gate struct pathname lookpn; 39*0Sstevel@tonic-gate struct pathname resolvepn; 40*0Sstevel@tonic-gate int error; 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate if (count == 0) 43*0Sstevel@tonic-gate return (0); 44*0Sstevel@tonic-gate if (error = pn_get(path, UIO_USERSPACE, &lookpn)) 45*0Sstevel@tonic-gate return (set_errno(error)); 46*0Sstevel@tonic-gate pn_alloc(&resolvepn); 47*0Sstevel@tonic-gate error = lookuppn(&lookpn, &resolvepn, FOLLOW, NULL, NULL); 48*0Sstevel@tonic-gate if (error == 0) { 49*0Sstevel@tonic-gate if (count > resolvepn.pn_pathlen) 50*0Sstevel@tonic-gate count = resolvepn.pn_pathlen; 51*0Sstevel@tonic-gate if (copyout(resolvepn.pn_path, buf, count)) 52*0Sstevel@tonic-gate error = EFAULT; 53*0Sstevel@tonic-gate } 54*0Sstevel@tonic-gate pn_free(&resolvepn); 55*0Sstevel@tonic-gate pn_free(&lookpn); 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate if (error) 58*0Sstevel@tonic-gate return (set_errno(error)); 59*0Sstevel@tonic-gate return ((int)count); 60*0Sstevel@tonic-gate } 61