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/*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: dir.h,v 1.21 2007-06-19 23:47:19 tbox Exp $ */
/* Principal Authors: DCL */
#ifndef ISC_DIR_H
#define ISC_DIR_H 1
/*! \file */
#include <sys/types.h> /* Required on some systems. */
#include <dirent.h>
#include <isc/lang.h>
#include <isc/result.h>
#define ISC_DIR_NAMEMAX 256
#define ISC_DIR_PATHMAX 1024
/*% Directory Entry */
typedef struct isc_direntry {
/*!
* Ideally, this should be NAME_MAX, but AIX does not define it by
* default and dynamically allocating the space based on pathconf()
* complicates things undesirably, as does adding special conditionals
* just for AIX. So a comfortably sized buffer is chosen instead.
*/
char name[ISC_DIR_NAMEMAX];
unsigned int length;
} isc_direntry_t;
/*% Directory */
typedef struct isc_dir {
unsigned int magic;
/*!
* As with isc_direntry_t->name, making this "right" for all systems
* is slightly problematic because AIX does not define PATH_MAX.
*/
char dirname[ISC_DIR_PATHMAX];
isc_direntry_t entry;
DIR * handle;
} isc_dir_t;
ISC_LANG_BEGINDECLS
void
isc_dir_init(isc_dir_t *dir);
isc_result_t
isc_dir_open(isc_dir_t *dir, const char *dirname);
isc_result_t
isc_dir_read(isc_dir_t *dir);
isc_result_t
isc_dir_reset(isc_dir_t *dir);
void
isc_dir_close(isc_dir_t *dir);
isc_result_t
isc_dir_chdir(const char *dirname);
isc_result_t
isc_dir_chroot(const char *dirname);
isc_result_t
isc_dir_createunique(char *templet);
/*!<
* Use a templet (such as from isc_file_mktemplate()) to create a uniquely
* named, empty directory. The templet string is modified in place.
* If result == ISC_R_SUCCESS, it is the name of the directory that was
* created.
*/
ISC_LANG_ENDDECLS
#endif /* ISC_DIR_H */
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