1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate /* 31*7c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD 32*7c478bd9Sstevel@tonic-gate * under license from the Regents of the University of California. 33*7c478bd9Sstevel@tonic-gate */ 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate #ifndef _SYS_PATHNAME_H 36*7c478bd9Sstevel@tonic-gate #define _SYS_PATHNAME_H 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 41*7c478bd9Sstevel@tonic-gate #include <sys/cred.h> 42*7c478bd9Sstevel@tonic-gate #include <sys/uio.h> 43*7c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 46*7c478bd9Sstevel@tonic-gate extern "C" { 47*7c478bd9Sstevel@tonic-gate #endif 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate /* 50*7c478bd9Sstevel@tonic-gate * Pathname structure. 51*7c478bd9Sstevel@tonic-gate * System calls that operate on path names gather the path name 52*7c478bd9Sstevel@tonic-gate * from the system call into this structure and reduce it by 53*7c478bd9Sstevel@tonic-gate * peeling off translated components. If a symbolic link is 54*7c478bd9Sstevel@tonic-gate * encountered the new path name to be translated is also 55*7c478bd9Sstevel@tonic-gate * assembled in this structure. 56*7c478bd9Sstevel@tonic-gate * 57*7c478bd9Sstevel@tonic-gate * By convention pn_buf is not changed once it's been set to point 58*7c478bd9Sstevel@tonic-gate * to the underlying storage; routines which manipulate the pathname 59*7c478bd9Sstevel@tonic-gate * do so by changing pn_path and pn_pathlen. pn_pathlen is redundant 60*7c478bd9Sstevel@tonic-gate * since the path name is null-terminated, but is provided to make 61*7c478bd9Sstevel@tonic-gate * some computations faster. 62*7c478bd9Sstevel@tonic-gate */ 63*7c478bd9Sstevel@tonic-gate typedef struct pathname { 64*7c478bd9Sstevel@tonic-gate char *pn_buf; /* underlying storage */ 65*7c478bd9Sstevel@tonic-gate char *pn_path; /* remaining pathname */ 66*7c478bd9Sstevel@tonic-gate size_t pn_pathlen; /* remaining length */ 67*7c478bd9Sstevel@tonic-gate size_t pn_bufsize; /* total size of pn_buf */ 68*7c478bd9Sstevel@tonic-gate } pathname_t; 69*7c478bd9Sstevel@tonic-gate 70*7c478bd9Sstevel@tonic-gate #define pn_pathleft(pnp) ((pnp)->pn_pathlen) 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate extern void pn_alloc(struct pathname *); 73*7c478bd9Sstevel@tonic-gate extern int pn_get(char *, enum uio_seg, struct pathname *); 74*7c478bd9Sstevel@tonic-gate extern int pn_get_buf(char *, enum uio_seg, struct pathname *, 75*7c478bd9Sstevel@tonic-gate void *, size_t); 76*7c478bd9Sstevel@tonic-gate extern int pn_set(struct pathname *, char *); 77*7c478bd9Sstevel@tonic-gate extern int pn_insert(struct pathname *, struct pathname *, size_t); 78*7c478bd9Sstevel@tonic-gate extern int pn_getsymlink(vnode_t *, struct pathname *, cred_t *); 79*7c478bd9Sstevel@tonic-gate extern int pn_getcomponent(struct pathname *, char *); 80*7c478bd9Sstevel@tonic-gate extern void pn_setlast(struct pathname *); 81*7c478bd9Sstevel@tonic-gate extern void pn_skipslash(struct pathname *); 82*7c478bd9Sstevel@tonic-gate extern int pn_fixslash(struct pathname *); 83*7c478bd9Sstevel@tonic-gate extern int pn_addslash(struct pathname *); 84*7c478bd9Sstevel@tonic-gate extern void pn_free(struct pathname *); 85*7c478bd9Sstevel@tonic-gate 86*7c478bd9Sstevel@tonic-gate extern int lookupname(char *, enum uio_seg, enum symfollow, 87*7c478bd9Sstevel@tonic-gate vnode_t **, vnode_t **); 88*7c478bd9Sstevel@tonic-gate extern int lookupnameat(char *, enum uio_seg, enum symfollow, 89*7c478bd9Sstevel@tonic-gate vnode_t **, vnode_t **, vnode_t *); 90*7c478bd9Sstevel@tonic-gate extern int lookuppn(struct pathname *, struct pathname *, enum symfollow, 91*7c478bd9Sstevel@tonic-gate vnode_t **, vnode_t **); 92*7c478bd9Sstevel@tonic-gate extern int lookuppnat(struct pathname *, struct pathname *, enum symfollow, 93*7c478bd9Sstevel@tonic-gate vnode_t **, vnode_t **, vnode_t *); 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate extern int lookuppnvp(struct pathname *, struct pathname *, int follow, 96*7c478bd9Sstevel@tonic-gate vnode_t **, vnode_t **, vnode_t *, vnode_t *, cred_t *); 97*7c478bd9Sstevel@tonic-gate extern int traverse(vnode_t **); 98*7c478bd9Sstevel@tonic-gate 99*7c478bd9Sstevel@tonic-gate extern int vnodetopath(vnode_t *, vnode_t *, char *, size_t, cred_t *); 100*7c478bd9Sstevel@tonic-gate extern int dogetcwd(char *, size_t); 101*7c478bd9Sstevel@tonic-gate extern int dirfindvp(vnode_t *, vnode_t *, vnode_t *, cred_t *, char *, 102*7c478bd9Sstevel@tonic-gate size_t, dirent64_t **); 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 105*7c478bd9Sstevel@tonic-gate } 106*7c478bd9Sstevel@tonic-gate #endif 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate #endif /* _SYS_PATHNAME_H */ 109