RTEMS: cpukit/libfs/src/dosfs/fat.c File Reference

| RTEMS 5.4-rc2

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Macros | Functions
fat.c File Reference
IO Library » File System Types and Mount » libfs

Low-level Operations on a Volume with a DOSFS FAT filesystem. More...

`#include <sys/types.h>`
`#include <sys/stat.h>`
`#include <fcntl.h>`
`#include <unistd.h>`
`#include <errno.h>`
`#include <stdlib.h>`
`#include <stdint.h>`
`#include <rtems/libio_.h>`
`#include "fat.h"`
`#include "fat_fat_operations.h"`

## Macros
#define | FAT_UNIQ_INO_BASE 0x0FFFFF00
#define | FAT_UNIQ_INO_IS_BUSY(index, arr) (((arr)[((index)>>3)]>>((index) & (8-1))) & 0x01)
#define | FAT_SET_UNIQ_INO_BUSY(index, arr) ((arr)[((index)>>3)] |= (0x01<<((index) & (8-1))))
#define | FAT_SET_UNIQ_INO_FREE(index, arr) ((arr)[((index)>>3)] &= (~(0x01<<((index) & (8-1)))))

## Functions
int | fat_buf_access (fat_fs_info_t *fs_info, const uint32_t sec_num, const int op_type, uint8_t **sec_buf)
int | fat_buf_release (fat_fs_info_t *fs_info)
ssize_t | _fat_block_read (fat_fs_info_t *fs_info, uint32_t start, uint32_t offset, uint32_t count, void *buff)
ssize_t | fat_sector_write (fat_fs_info_t *fs_info, uint32_t start, uint32_t offset, uint32_t count, const void *buff)
ssize_t | fat_cluster_set (fat_fs_info_t *fs_info, const uint32_t start_cln, const uint32_t offset, const uint32_t count, const uint8_t pattern)
ssize_t | fat_cluster_write (fat_fs_info_t *fs_info, const uint32_t start_cln, const uint32_t offset, const uint32_t count, const void *buff)
int | fat_init_volume_info (fat_fs_info_t *fs_info, const char *device)
int | fat_sync (fat_fs_info_t *fs_info)
int | fat_shutdown_drive (fat_fs_info_t *fs_info)
int | fat_init_clusters_chain (fat_fs_info_t *fs_info, uint32_t start_cln)
uint32_t | fat_get_unique_ino (fat_fs_info_t *fs_info)
void | fat_free_unique_ino (fat_fs_info_t *fs_info, uint32_t ino)
bool | fat_ino_is_unique (fat_fs_info_t *fs_info, uint32_t ino)

## Detailed Description

Low-level Operations on a Volume with a DOSFS FAT filesystem.