40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
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* Copyright (c) 2022 Travis Geiselbrecht
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#pragma once
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#include <inttypes.h>
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#include <lk/list.h>
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#include "file.h"
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class fat_fs;
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struct dir_entry;
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struct dir_entry_location;
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struct fat_dir_cookie;
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// structure that represents an open dir, may have multiple cookies in its list
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// at any point in time,
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class fat_dir : public fat_file {
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public:
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explicit fat_dir(fat_fs *f);
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virtual ~fat_dir();
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static status_t opendir(fscookie *cookie, const char *name, dircookie **dcookie);
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static status_t readdir(dircookie *dcookie, struct dirent *ent);
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static status_t closedir(dircookie *dcookie);
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private:
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status_t opendir_priv(const dir_entry &entry, const dir_entry_location &loc, fat_dir_cookie **out_cookie);
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status_t readdir_priv(fat_dir_cookie *cookie, struct dirent *ent);
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status_t closedir_priv(fat_dir_cookie *cookie, bool *last_ref);
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// list of all open dir handles and their offsets within us
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list_node cookies_ = LIST_INITIAL_VALUE(cookies_);
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};
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