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71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/*
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* Portions of this source code were derived from Berkeley 4.3 BSD
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* under license from the Regents of the University of California.
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*/
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#ifndef _SYS_PATHNAME_H
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#define _SYS_PATHNAME_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Pathname structure.
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* System calls that operate on path names gather the path name
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* from the system call into this structure and reduce it by
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* peeling off translated components. If a symbolic link is
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* encountered the new path name to be translated is also
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* assembled in this structure.
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*
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* By convention pn_buf is not changed once it's been set to point
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* to the underlying storage; routines which manipulate the pathname
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* do so by changing pn_path and pn_pathlen. pn_pathlen is redundant
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* since the path name is null-terminated, but is provided to make
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* some computations faster.
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*/
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typedef struct pathname {
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char *pn_buf; /* underlying storage */
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char *pn_path; /* remaining pathname */
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size_t pn_pathlen; /* remaining length */
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size_t pn_bufsize; /* total size of pn_buf */
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} pathname_t;
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extern void pn_alloc(struct pathname *);
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extern void pn_alloc_sz(struct pathname *, size_t);
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extern void pn_free(struct pathname *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_PATHNAME_H */
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