/* * 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 */ 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 */ |