fs.h

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/*
 * Copyright 2021-present dogtopus
 * SPDX-License-Identifier: MIT
 */
 
#ifndef __MUTEKI_FS_H__
#define __MUTEKI_FS_H__
 
#include <muteki/common.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SYS_PATH_MAX_CU 256u
 
#define FIND_TS_YEAR(ts) ((ts >> 25) + 1980)
#define FIND_TS_MONTH(ts) ((ts >> 21) & 0xf)
#define FIND_TS_DAY(ts) ((ts >> 16) & 0x1f)
 
#define FIND_TS_HOUR(ts) ((ts >> 11) & 0x1f)
#define FIND_TS_MINUTE(ts) ((ts >> 5) & 0x3f)
#define FIND_TS_SECOND(ts) ((ts & 0xf) * 4)
 
#define FNSPLIT_LFN_PATHNAME_MAX 261u
#define FNSPLIT_LFN_DRIVE_MAX 4u
#define FNSPLIT_LFN_DIRNAME_MAX 257u
#define FNSPLIT_LFN_BASENAME_MAX 257u
#define FNSPLIT_LFN_SUFFIX_MAX 259u
 
#define FNSPLIT_DOS_PATHNAME_MAX 81u
#define FNSPLIT_DOS_DRIVE_MAX 4u
#define FNSPLIT_DOS_DIRNAME_MAX 67u
#define FNSPLIT_DOS_BASENAME_MAX 10u
#define FNSPLIT_DOS_SUFFIX_MAX 9u
 
enum fs_attribute_e {
    ATTR_READONLY = 0x1,
    ATTR_HIDDEN = 0x2,
    ATTR_SYSTEM = 0x4,
    ATTR_DIR = 0x10,
    ATTR_ARCHIVE = 0x20,
    ATTR_DEVICE = 0x40,
    ATTR_NONE = 0x80,
};
 
typedef struct {
    void *unk0; // 0x0
    void *unk4; // 0x4
    UTF16 *filename_lfn; // 0x8
    char *filename; // 0xc
    char *filename2_alt; // 0x10
    size_t size; // 0x14
    unsigned int mtime; // 0x18
    unsigned int btime; // 0x1c
    unsigned int atime; // 0x20
    unsigned char attrib_mask; // 0x24
    unsigned char attrib; // 0x25
} find_context_t;
 
typedef struct {
    size_t size_kb;
    size_t size2_kb;
    size_t size3_kb;
    size_t used_kb;
    size_t free_kb;
    unsigned long long SYS_DWORD size;
    unsigned long long SYS_DWORD size2;
    unsigned long long SYS_DWORD size3;
    unsigned long long SYS_DWORD used;
    unsigned long long SYS_DWORD free;
} fs_stat_t;
 
typedef struct fn_parts_lfn_s {
    UTF16 pathname[FNSPLIT_LFN_PATHNAME_MAX];
    UTF16 drive[FNSPLIT_LFN_DRIVE_MAX];
    UTF16 dirname[FNSPLIT_LFN_DIRNAME_MAX];
    UTF16 basename[FNSPLIT_LFN_BASENAME_MAX];
    UTF16 suffix[FNSPLIT_LFN_SUFFIX_MAX];
} fs_parts_lfn_t;
 
typedef struct fn_parts_dos_s {
    char pathname[FNSPLIT_DOS_PATHNAME_MAX];
    char drive[FNSPLIT_DOS_DRIVE_MAX];
    char dirname[FNSPLIT_DOS_DIRNAME_MAX];
    char basename[FNSPLIT_DOS_BASENAME_MAX];
    char suffix[FNSPLIT_DOS_SUFFIX_MAX];
} fs_parts_dos_t;
 
extern bool _aremove(const char *pathname);
 
extern bool __wremove(const UTF16 *pathname);
 
extern short _afindfirst(const char *fnmatch, find_context_t *ctx, int attrib_mask);
 
extern short _afindnext(find_context_t *ctx);
 
extern short _wfindfirst(const UTF16 *fnmatch, find_context_t *ctx, int attrib_mask);
 
extern short _wfindnext(find_context_t *ctx);
 
extern int _findclose(find_context_t *ctx);
 
extern short _wfgetattr(UTF16 *path);
 
extern short _wfsetattr(UTF16 *path, short attrs);
 
extern short _afgetattr(char *path);
 
extern short _afsetattr(char *path, short attrs);
 
extern int _wmkdir(UTF16 *path);
 
extern int _amkdir(char *path);
 
extern int _wrmdir(UTF16 *path);
 
extern int _armdir(char *path);
 
extern short _agetcurdir(void *unk, char *buf);
 
extern short _wgetcurdir(void *unk, UTF16 *buf);
 
extern short _achdir(const char *path);
 
extern short _wchdir(const UTF16 *path);
 
extern short _arename(const char *old_path, const char *new_path);
 
extern short _wrename(const UTF16 *old_path, const UTF16 *new_path);
 
extern int FSGetDiskRoomState(int fsid, fs_stat_t *fs_stat);
 
extern int _afnsplit(const char *pathname, char *drive, char *dirname, char *basename, char *suffix);
 
extern int _afnmerge(char *pathname, const char *drive, const char *dirname, const char *basename, const char *suffix);
 
extern int _wfnsplit(const UTF16 *pathname, UTF16 *drive, UTF16 *dirname, UTF16 *basename, UTF16 *suffix);
 
extern int _wfnmerge(UTF16 *pathname, const UTF16 *drive, const UTF16 *dirname, const UTF16 *basename, const UTF16 *suffix);
 
#ifdef __cplusplus
} // extern "C"
#endif
 
#endif // __MUTEKI_FS_H__