diff options
Diffstat (limited to 'lfs.h')
| -rw-r--r-- | lfs.h | 19 |
1 files changed, 18 insertions, 1 deletions
@@ -40,6 +40,12 @@ enum lfs_open_flags { LFS_O_SYNC = 0x200, }; +enum lfs_whence_flags { + LFS_SEEK_SET = 0, + LFS_SEEK_CUR = 1, + LFS_SEEK_END = 2, +}; + // Configuration provided during initialization of the littlefs struct lfs_config { @@ -138,6 +144,9 @@ typedef struct lfs_dir { lfs_block_t pair[2]; lfs_off_t off; + lfs_block_t head[2]; + lfs_off_t pos; + struct lfs_disk_dir { uint32_t rev; lfs_size_t size; @@ -146,7 +155,7 @@ typedef struct lfs_dir { } lfs_dir_t; typedef struct lfs_superblock { - lfs_block_t dir[2]; //TODO rm me? + lfs_block_t pair[2]; lfs_off_t off; struct lfs_disk_superblock { @@ -195,6 +204,9 @@ int lfs_mkdir(lfs_t *lfs, const char *path); int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path); int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir); int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info); +int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off); +lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir); +int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir); int lfs_file_open(lfs_t *lfs, lfs_file_t *file, const char *path, int flags); @@ -204,6 +216,11 @@ lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, const void *buffer, lfs_size_t size); lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, void *buffer, lfs_size_t size); +lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence); +lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file); +lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file); +int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file); int lfs_deorphan(lfs_t *lfs); int lfs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data); |