1290001Sglebius/*
2290001Sglebius * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3290001Sglebius * Copyright (C) 1999-2001  Internet Software Consortium.
4290001Sglebius *
5290001Sglebius * Permission to use, copy, modify, and/or distribute this software for any
6290001Sglebius * purpose with or without fee is hereby granted, provided that the above
7290001Sglebius * copyright notice and this permission notice appear in all copies.
8290001Sglebius *
9290001Sglebius * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10290001Sglebius * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11290001Sglebius * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12290001Sglebius * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13290001Sglebius * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14290001Sglebius * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15290001Sglebius * PERFORMANCE OF THIS SOFTWARE.
16290001Sglebius */
17290001Sglebius
18290001Sglebius/* $Id: dir.h,v 1.21 2007/06/19 23:47:19 tbox Exp $ */
19290001Sglebius
20290001Sglebius/* Principal Authors: DCL */
21290001Sglebius
22290001Sglebius#ifndef ISC_DIR_H
23290001Sglebius#define ISC_DIR_H 1
24290001Sglebius
25290001Sglebius/*! \file */
26290001Sglebius
27290001Sglebius#include <sys/types.h>		/* Required on some systems. */
28290001Sglebius#include <dirent.h>
29290001Sglebius
30290001Sglebius#include <isc/lang.h>
31290001Sglebius#include <isc/result.h>
32290001Sglebius
33290001Sglebius#define ISC_DIR_NAMEMAX 256
34290001Sglebius#define ISC_DIR_PATHMAX 1024
35290001Sglebius
36290001Sglebius/*% Directory Entry */
37290001Sglebiustypedef struct isc_direntry {
38290001Sglebius	/*!
39290001Sglebius	 * Ideally, this should be NAME_MAX, but AIX does not define it by
40290001Sglebius	 * default and dynamically allocating the space based on pathconf()
41290001Sglebius	 * complicates things undesirably, as does adding special conditionals
42290001Sglebius	 * just for AIX.  So a comfortably sized buffer is chosen instead.
43290001Sglebius	 */
44290001Sglebius	char 		name[ISC_DIR_NAMEMAX];
45290001Sglebius	unsigned int	length;
46290001Sglebius} isc_direntry_t;
47290001Sglebius
48290001Sglebius/*% Directory */
49290001Sglebiustypedef struct isc_dir {
50290001Sglebius	unsigned int	magic;
51290001Sglebius	/*!
52290001Sglebius	 * As with isc_direntry_t->name, making this "right" for all systems
53290001Sglebius	 * is slightly problematic because AIX does not define PATH_MAX.
54290001Sglebius	 */
55290001Sglebius	char		dirname[ISC_DIR_PATHMAX];
56290001Sglebius	isc_direntry_t	entry;
57290001Sglebius	DIR *		handle;
58290001Sglebius} isc_dir_t;
59290001Sglebius
60290001SglebiusISC_LANG_BEGINDECLS
61290001Sglebius
62290001Sglebiusvoid
63290001Sglebiusisc_dir_init(isc_dir_t *dir);
64290001Sglebius
65290001Sglebiusisc_result_t
66290001Sglebiusisc_dir_open(isc_dir_t *dir, const char *dirname);
67290001Sglebius
68290001Sglebiusisc_result_t
69290001Sglebiusisc_dir_read(isc_dir_t *dir);
70290001Sglebius
71290001Sglebiusisc_result_t
72290001Sglebiusisc_dir_reset(isc_dir_t *dir);
73290001Sglebius
74290001Sglebiusvoid
75290001Sglebiusisc_dir_close(isc_dir_t *dir);
76290001Sglebius
77290001Sglebiusisc_result_t
78290001Sglebiusisc_dir_chdir(const char *dirname);
79290001Sglebius
80290001Sglebiusisc_result_t
81290001Sglebiusisc_dir_chroot(const char *dirname);
82290001Sglebius
83290001Sglebiusisc_result_t
84290001Sglebiusisc_dir_createunique(char *templet);
85290001Sglebius/*!<
86290001Sglebius * Use a templet (such as from isc_file_mktemplate()) to create a uniquely
87290001Sglebius * named, empty directory.  The templet string is modified in place.
88290001Sglebius * If result == ISC_R_SUCCESS, it is the name of the directory that was
89290001Sglebius * created.
90290001Sglebius */
91290001Sglebius
92290001SglebiusISC_LANG_ENDDECLS
93290001Sglebius
94290001Sglebius#endif /* ISC_DIR_H */
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