1258945Sroberto/*
2258945Sroberto * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3258945Sroberto * Copyright (C) 1999-2001  Internet Software Consortium.
4258945Sroberto *
5258945Sroberto * Permission to use, copy, modify, and/or distribute this software for any
6258945Sroberto * purpose with or without fee is hereby granted, provided that the above
7258945Sroberto * copyright notice and this permission notice appear in all copies.
8258945Sroberto *
9258945Sroberto * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10258945Sroberto * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11258945Sroberto * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12258945Sroberto * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13258945Sroberto * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14258945Sroberto * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15258945Sroberto * PERFORMANCE OF THIS SOFTWARE.
16258945Sroberto */
17258945Sroberto
18258945Sroberto/* $Id: dir.h,v 1.21 2007/06/19 23:47:19 tbox Exp $ */
19258945Sroberto
20258945Sroberto/* Principal Authors: DCL */
21258945Sroberto
22258945Sroberto#ifndef ISC_DIR_H
23258945Sroberto#define ISC_DIR_H 1
24258945Sroberto
25258945Sroberto/*! \file */
26258945Sroberto
27258945Sroberto#include <sys/types.h>		/* Required on some systems. */
28258945Sroberto#include <dirent.h>
29258945Sroberto
30258945Sroberto#include <isc/lang.h>
31258945Sroberto#include <isc/result.h>
32258945Sroberto
33258945Sroberto#define ISC_DIR_NAMEMAX 256
34258945Sroberto#define ISC_DIR_PATHMAX 1024
35258945Sroberto
36258945Sroberto/*% Directory Entry */
37258945Srobertotypedef struct isc_direntry {
38258945Sroberto	/*!
39258945Sroberto	 * Ideally, this should be NAME_MAX, but AIX does not define it by
40258945Sroberto	 * default and dynamically allocating the space based on pathconf()
41258945Sroberto	 * complicates things undesirably, as does adding special conditionals
42258945Sroberto	 * just for AIX.  So a comfortably sized buffer is chosen instead.
43258945Sroberto	 */
44258945Sroberto	char 		name[ISC_DIR_NAMEMAX];
45258945Sroberto	unsigned int	length;
46258945Sroberto} isc_direntry_t;
47258945Sroberto
48258945Sroberto/*% Directory */
49258945Srobertotypedef struct isc_dir {
50258945Sroberto	unsigned int	magic;
51258945Sroberto	/*!
52258945Sroberto	 * As with isc_direntry_t->name, making this "right" for all systems
53258945Sroberto	 * is slightly problematic because AIX does not define PATH_MAX.
54258945Sroberto	 */
55258945Sroberto	char		dirname[ISC_DIR_PATHMAX];
56258945Sroberto	isc_direntry_t	entry;
57258945Sroberto	DIR *		handle;
58258945Sroberto} isc_dir_t;
59258945Sroberto
60258945SrobertoISC_LANG_BEGINDECLS
61258945Sroberto
62258945Srobertovoid
63258945Srobertoisc_dir_init(isc_dir_t *dir);
64258945Sroberto
65258945Srobertoisc_result_t
66258945Srobertoisc_dir_open(isc_dir_t *dir, const char *dirname);
67258945Sroberto
68258945Srobertoisc_result_t
69258945Srobertoisc_dir_read(isc_dir_t *dir);
70258945Sroberto
71258945Srobertoisc_result_t
72258945Srobertoisc_dir_reset(isc_dir_t *dir);
73258945Sroberto
74258945Srobertovoid
75258945Srobertoisc_dir_close(isc_dir_t *dir);
76258945Sroberto
77258945Srobertoisc_result_t
78258945Srobertoisc_dir_chdir(const char *dirname);
79258945Sroberto
80258945Srobertoisc_result_t
81258945Srobertoisc_dir_chroot(const char *dirname);
82258945Sroberto
83258945Srobertoisc_result_t
84258945Srobertoisc_dir_createunique(char *templet);
85258945Sroberto/*!<
86258945Sroberto * Use a templet (such as from isc_file_mktemplate()) to create a uniquely
87258945Sroberto * named, empty directory.  The templet string is modified in place.
88258945Sroberto * If result == ISC_R_SUCCESS, it is the name of the directory that was
89258945Sroberto * created.
90258945Sroberto */
91258945Sroberto
92258945SrobertoISC_LANG_ENDDECLS
93258945Sroberto
94258945Sroberto#endif /* ISC_DIR_H */
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