| /* |
| * 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 (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. |
| */ |
| |
| /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ |
| /* All Rights Reserved */ |
| |
| /* |
| * Portions of this source code were derived from Berkeley 4.3 BSD |
| * under license from the Regents of the University of California. |
| */ |
| |
| #ifndef _SYS_PATHNAME_H |
| #define _SYS_PATHNAME_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Pathname structure. |
| * System calls that operate on path names gather the path name |
| * from the system call into this structure and reduce it by |
| * peeling off translated components. If a symbolic link is |
| * encountered the new path name to be translated is also |
| * assembled in this structure. |
| * |
| * By convention pn_buf is not changed once it's been set to point |
| * to the underlying storage; routines which manipulate the pathname |
| * do so by changing pn_path and pn_pathlen. pn_pathlen is redundant |
| * since the path name is null-terminated, but is provided to make |
| * some computations faster. |
| */ |
| typedef struct pathname { |
| char *pn_buf; /* underlying storage */ |
| #if 0 /* unused in ZoL */ |
| char *pn_path; /* remaining pathname */ |
| size_t pn_pathlen; /* remaining length */ |
| #endif |
| size_t pn_bufsize; /* total size of pn_buf */ |
| } pathname_t; |
| |
| extern void pn_alloc(struct pathname *); |
| extern void pn_alloc_sz(struct pathname *, size_t); |
| extern void pn_free(struct pathname *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _SYS_PATHNAME_H */ |