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#pragma once
#include <sys/types.h>
#include <util/system/defaults.h>
#ifndef _win32_
typedef int dird;
typedef struct stat stat_struct;
#define STAT_FUNC stat
#else
#include <util/folder/dirent_win.h>
typedef WCHAR* dird;
typedef unsigned short u_short;
typedef unsigned int nlink_t;
typedef struct _stat64 stat_struct;
#define STAT_FUNC stat64UTF
// TODO: remove from global scope stat64UTF stat64UTF
#ifdef __cplusplus
int stat64UTF(const char* path, struct _stat64* _Stat);
int stat64UTF(dird path, struct _stat64* _Stat);
#endif
#endif
typedef struct {
struct _ftsent* fts_cur; /* current node */
struct _ftsent* fts_child; /* linked list of children */
struct _ftsent** fts_array; /* sort array */
dev_t fts_dev; /* starting device # */
char* fts_path; /* path for this descent */
dird fts_rfd; /* fd for root */
int fts_pathlen; /* sizeof(path) */
int fts_nitems; /* elements in the sort array */
int(*fts_compar) /* compare function */
(const struct _ftsent**, const struct _ftsent**);
#define FTS_COMFOLLOW 0x001 /* follow command line symlinks */
#define FTS_LOGICAL 0x002 /* logical walk */
#define FTS_NOCHDIR 0x004 /* don't change directories */
#define FTS_NOSTAT 0x008 /* don't get stat info */
#define FTS_PHYSICAL 0x010 /* physical walk */
#define FTS_SEEDOT 0x020 /* return dot and dot-dot */
#define FTS_XDEV 0x040 /* don't cross devices */
#define FTS_OPTIONMASK 0x0ff /* valid user option mask */
#define FTS_NAMEONLY 0x100 /* (private) child names only */
#define FTS_STOP 0x200 /* (private) unrecoverable error */
int fts_options; /* yfts_open options, global flags */
} FTS;
typedef struct _ftsent {
struct _ftsent* fts_cycle; /* cycle node */
struct _ftsent* fts_parent; /* parent directory */
struct _ftsent* fts_link; /* next file in directory */
long fts_number; /* local numeric value */
void* fts_pointer; /* local address value */
char* fts_accpath; /* access path */
char* fts_path; /* root path */
int fts_errno; /* errno for this node */
dird fts_symfd; /* fd for symlink */
u_short fts_pathlen; /* strlen(fts_path) */
u_short fts_namelen; /* strlen(fts_name) */
ino_t fts_ino; /* inode */
dev_t fts_dev; /* device */
nlink_t fts_nlink; /* link count */
#define FTS_ROOTPARENTLEVEL -1
#define FTS_ROOTLEVEL 0
short fts_level; /* depth (-1 to N) */
#define FTS_D 1 /* preorder directory */
#define FTS_DC 2 /* directory that causes cycles */
#define FTS_DEFAULT 3 /* none of the above */
#define FTS_DNR 4 /* unreadable directory */
#define FTS_DOT 5 /* dot or dot-dot */
#define FTS_DP 6 /* postorder directory */
#define FTS_ERR 7 /* error; errno is set */
#define FTS_F 8 /* regular file */
#define FTS_INIT 9 /* initialized only */
#define FTS_NS 10 /* stat(2) failed */
#define FTS_NSOK 11 /* no stat(2) requested */
#define FTS_SL 12 /* symbolic link */
#define FTS_SLNONE 13 /* symbolic link without target */
#define FTS_W 14 /* whiteout object */
u_short fts_info; /* user flags for FTSENT structure */
u_short fts_type; /* type of fs node; one of FTS_D, FTS_F, FTS_SL */
#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
#define FTS_ISW 0x04 /* this is a whiteout object */
u_short fts_flags; /* private flags for FTSENT structure */
#define FTS_AGAIN 1 /* read node again */
#define FTS_FOLLOW 2 /* follow symbolic link */
#define FTS_NOINSTR 3 /* no instructions */
#define FTS_SKIP 4 /* discard node */
u_short fts_instr; /* yfts_set() instructions */
stat_struct* fts_statp; /* stat(2) information */
char fts_name[1]; /* file name */
} FTSENT;
FTSENT* yfts_children(FTS*, int);
int yfts_close(FTS*);
FTS* yfts_open(char* const*, int, int (*)(const FTSENT**, const FTSENT**));
FTSENT* yfts_read(FTS*);
int yfts_set(FTS*, FTSENT*, int);
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