ra8_fs_fat_exfat_dir_internal.h

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#pragma once
 
#include "ra8_attributes.h"
#include "ra8_fs_fat_types_internal.h"
 
/* ===========================================================================
 * Where a directory is: locations and cursors.
 * ===========================================================================
 */

RA8_PRIV
void priv_exfat_dir_root(const ra8_fs_mount_t* m, exfat_dir_t* out);

RA8_PRIV
void priv_exfat_dir_from_set(const ra8_fs_mount_t* m, const uint8_t* strm, exfat_dir_t* out);

RA8_PRIV
void priv_exfat_cursor_init(const exfat_dir_t* dir, exfat_cursor_t* out);

RA8_PRIV
ra8_err_t priv_exfat_step_cluster(const ra8_fs_mount_t* m,
                                  uint32_t              cluster,
                                  uint32_t              contig_end,
                                  uint32_t*             out_next);
 
/* ===========================================================================
 * Which directory a path names.
 * ===========================================================================
 */

RA8_PRIV
ra8_err_t priv_exfat_resolve_parent(const ra8_fs_mount_t* m,
                                    const char*           path,
                                    exfat_dir_t*          out_parent,
                                    const char**          out_leaf);

RA8_PRIV
ra8_err_t priv_exfat_resolve_dir(const ra8_fs_mount_t* m, const char* path, exfat_dir_t* out);

RA8_PRIV
ra8_err_t
priv_exfat_lookup(const ra8_fs_mount_t* m, const char* path, uint8_t* out_strm, uint8_t* out_attr);
 
/* ===========================================================================
 * Making and unmaking a directory.
 * ===========================================================================
 */

RA8_PRIV
ra8_err_t priv_exfat_mkdir(const ra8_fs_mount_t* m, const char* path);

RA8_PRIV
ra8_err_t priv_exfat_rmdir(const ra8_fs_mount_t* m, const char* path);
 
/* ===========================================================================
 * Finding room for a set, and giving space back.
 * ===========================================================================
 */

RA8_PRIV
ra8_err_t
priv_exfat_bitmap_clear(const ra8_fs_mount_t* m, uint64_t bmp_lba, uint32_t clus, uint32_t count);

RA8_PRIV
ra8_err_t priv_exfat_zero_cluster(const ra8_fs_mount_t* m, uint32_t clus);

RA8_PRIV
ra8_err_t priv_exfat_seal_cluster(const ra8_fs_mount_t* m, uint32_t clus);

RA8_PRIV
ra8_err_t priv_exfat_find_dir_space(const ra8_fs_mount_t* m,
                                    const exfat_dir_t*    dir,
                                    uint32_t              need,
                                    uint32_t*             out_clus,
                                    uint32_t*             out_idx);
 
/* ===========================================================================
 * Retiring an entry set.
 * ===========================================================================
 */

RA8_PRIV
ra8_err_t priv_exfat_drop_set(const ra8_fs_mount_t* m, const exfat_setpos_t* pos, uint32_t count);

RA8_PRIV
ra8_err_t priv_exfat_unlink_at(const ra8_fs_mount_t* m, const exfat_dir_t* dir, const char* name);
 
/* ===========================================================================
 * Volume label (the exFAT half of ra8_fs_{get,set}_label).
 * ===========================================================================
 */

RA8_PRIV
ra8_err_t priv_exfat_get_label(const ra8_fs_mount_t* m, char* out, uint32_t out_len);

RA8_PRIV
ra8_err_t priv_exfat_set_label(const ra8_fs_mount_t* m, const char* label);