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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #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 */