s32_t SPIFFS_fremove(spiffs *fs, spiffs_file fh) {
#if SPIFFS_READ_ONLY
(void)fs; (void)fh;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
fh = SPIFFS_FH_UNOFFS(fs, fh);
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if ((fd->flags & SPIFFS_O_WRONLY) == 0) {
res = SPIFFS_ERR_NOT_WRITABLE;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#if SPIFFS_CACHE_WR
spiffs_cache_fd_release(fs, fd->cache_page);
#endif
res = spiffs_object_truncate(fd, 0, 1);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_fremove(spiffs *fs, spiffs_file fh) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if ((fd->flags & SPIFFS_WRONLY) == 0) {
res = SPIFFS_ERR_NOT_WRITABLE;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#if SPIFFS_CACHE_WR
spiffs_cache_fd_release(fs, fd->cache_page);
#endif
res = spiffs_object_truncate(fd, 0, 1);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
}
s32_t SPIFFS_remove(spiffs *fs, const char *path) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
s32_t res;
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t *)path, &pix);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix, fd, 0,0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_truncate(fd, 0, 1);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
}
spiffs_file SPIFFS_open_by_dirent(spiffs *fs, struct spiffs_dirent *e, spiffs_flags flags, spiffs_mode mode) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, e->pix, fd, flags, mode);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if (flags & SPIFFS_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return fd->file_nbr;
}
s32_t spiffs_creat(spiffs *fs, const char *path, spiffs_mode mode) {
#if SPIFFS_READ_ONLY
(void)fs;
(void)path;
(void)mode;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_obj_id obj_id;
s32_t res;
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, (const u8_t*)path);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (const u8_t*)path, SPIFFS_TYPE_FILE, 0);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
spiffs_file spiffs_open_by_dirent(spiffs *fs, spiffs_dirent *e, spiffs_flags flags, spiffs_mode mode) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, e->pix, fd, flags, mode);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if !SPIFFS_READ_ONLY
if (flags & SPIFFS_O_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#endif // !SPIFFS_READ_ONLY
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return SPIFFS_FH_OFFS(fs, fd->file_nbr);
}
s32_t ICACHE_FLASH_ATTR SPIFFS_creat(spiffs *fs, const char *path, spiffs_mode mode) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_obj_id obj_id;
s32_t res;
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (u8_t*)path, SPIFFS_TYPE_FILE, 0);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
}
s32_t spiffs_rename(spiffs *fs, const char *old_path, const char *new_path) {
#if SPIFFS_READ_ONLY
(void)fs;
(void)old_path;
(void)new_path;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(new_path) > SPIFFS_OBJ_NAME_LEN - 1 ||
strlen(old_path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_page_ix pix_old, pix_dummy;
spiffs_fd *fd;
s32_t res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)old_path, &pix_old);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)new_path, &pix_dummy);
if (res == SPIFFS_ERR_NOT_FOUND) {
res = SPIFFS_OK;
} else if (res == SPIFFS_OK) {
res = SPIFFS_ERR_CONFLICTING_NAME;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix_old, fd, 0, 0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_update_index_hdr(fs, fd, fd->obj_id, fd->objix_hdr_pix, 0, (const u8_t*)new_path,
0, &pix_dummy);
spiffs_fd_return(fs, fd->file_nbr);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return res;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_creat(spiffs *fs, char *path, spiffs_mode mode) {
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_obj_id obj_id;
s32_t res;
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, (u8_t *)path);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (u8_t *)path, SPIFFS_TYPE_FILE, 0);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
}
s32_t ICACHE_FLASH_ATTR SPIFFS_mount(spiffs *fs, spiffs_config *config, u8_t *work,
u8_t *fd_space, u32_t fd_space_size,
void *cache, u32_t cache_size,
spiffs_check_callback check_cb_f) {
SPIFFS_LOCK(fs);
memset(fs, 0, sizeof(spiffs));
memcpy(&fs->cfg, config, sizeof(spiffs_config));
fs->block_count = SPIFFS_CFG_PHYS_SZ(fs) / SPIFFS_CFG_LOG_BLOCK_SZ(fs);
fs->work = &work[0];
fs->lu_work = &work[SPIFFS_CFG_LOG_PAGE_SZ(fs)];
memset(fd_space, 0, fd_space_size);
// align fd_space pointer to pointer size byte boundary, below is safe
u8_t ptr_size = sizeof(void*);
// #pragma GCC diagnostic push
// #pragma GCC diagnostic ignored "-Wpointer-to-int-cast"
u8_t addr_lsb = (u8_t)(((u32_t)fd_space) & (ptr_size-1));
// #pragma GCC diagnostic pop
if (addr_lsb) {
fd_space += (ptr_size-addr_lsb);
fd_space_size -= (ptr_size-addr_lsb);
}
fs->fd_space = fd_space;
fs->fd_count = (fd_space_size/sizeof(spiffs_fd));
// align cache pointer to 4 byte boundary, below is safe
// #pragma GCC diagnostic push
// #pragma GCC diagnostic ignored "-Wpointer-to-int-cast"
addr_lsb = (u8_t)(((u32_t)cache) & (ptr_size-1));
// #pragma GCC diagnostic pop
if (addr_lsb) {
cache = (u8_t *)cache + (ptr_size-addr_lsb);
cache_size -= (ptr_size-addr_lsb);
}
if (cache_size & (ptr_size-1)) {
cache_size -= (cache_size & (ptr_size-1));
}
#if SPIFFS_CACHE
fs->cache = cache;
fs->cache_size = cache_size;
spiffs_cache_init(fs);
#endif
s32_t res = spiffs_obj_lu_scan(fs);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_DBG("page index byte len: %i\n", SPIFFS_CFG_LOG_PAGE_SZ(fs));
SPIFFS_DBG("object lookup pages: %i\n", SPIFFS_OBJ_LOOKUP_PAGES(fs));
SPIFFS_DBG("page pages per block: %i\n", SPIFFS_PAGES_PER_BLOCK(fs));
SPIFFS_DBG("page header length: %i\n", sizeof(spiffs_page_header));
SPIFFS_DBG("object header index entries: %i\n", SPIFFS_OBJ_HDR_IX_LEN(fs));
SPIFFS_DBG("object index entries: %i\n", SPIFFS_OBJ_IX_LEN(fs));
SPIFFS_DBG("available file descriptors: %i\n", fs->fd_count);
SPIFFS_DBG("free blocks: %i\n", fs->free_blocks);
fs->check_cb_f = check_cb_f;
SPIFFS_UNLOCK(fs);
return 0;
}
s32_t SPIFFS_format(spiffs *fs) {
#if SPIFFS_READ_ONLY
(void)fs;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
SPIFFS_API_CHECK_CFG(fs);
if (SPIFFS_CHECK_MOUNT(fs)) {
fs->err_code = SPIFFS_ERR_MOUNTED;
return -1;
}
s32_t res;
SPIFFS_LOCK(fs);
spiffs_block_ix bix = 0;
while (bix < fs->block_count) {
fs->max_erase_count = 0;
res = spiffs_erase_block(fs, bix);
if (res != SPIFFS_OK) {
res = SPIFFS_ERR_ERASE_FAIL;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
bix++;
}
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_format(spiffs *fs) {
SPIFFS_API_CHECK_CFG(fs);
if (SPIFFS_CHECK_MOUNT(fs)) {
fs->err_code = SPIFFS_ERR_MOUNTED;
return -1;
}
s32_t res;
SPIFFS_LOCK(fs);
spiffs_block_ix bix = 0;
while (bix < fs->block_count) {
fs->max_erase_count = 0;
res = spiffs_erase_block(fs, bix);
if (res != SPIFFS_OK) {
res = SPIFFS_ERR_ERASE_FAIL;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
bix++;
}
SPIFFS_UNLOCK(fs);
return 0;
}
s32_t SPIFFS_read(spiffs *fs, spiffs_file fh, void *buf, s32_t len) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if ((fd->flags & SPIFFS_RDONLY) == 0) {
res = SPIFFS_ERR_NOT_READABLE;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
if (fd->fdoffset + len >= fd->size) {
// reading beyond file size
s32_t avail = fd->size - fd->fdoffset;
if (avail <= 0) {
SPIFFS_API_CHECK_RES_UNLOCK(fs, SPIFFS_ERR_END_OF_OBJECT);
}
res = spiffs_object_read(fd, fd->fdoffset, avail, (u8_t*)buf);
if (res == SPIFFS_ERR_END_OF_OBJECT) {
fd->fdoffset += avail;
SPIFFS_UNLOCK(fs);
return avail;
} else {
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
len = avail;
}
} else {
// reading within file size
res = spiffs_object_read(fd, fd->fdoffset, len, (u8_t*)buf);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset += len;
SPIFFS_UNLOCK(fs);
return len;
}
spiffs_file SPIFFS_open_by_page(spiffs *fs, spiffs_page_ix page_ix, spiffs_flags flags, spiffs_mode mode) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if (SPIFFS_IS_LOOKUP_PAGE(fs, page_ix)) {
res = SPIFFS_ERR_NOT_A_FILE;
spiffs_fd_return(fs, fd->file_nbr);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
res = spiffs_object_open_by_page(fs, page_ix, fd, flags, mode);
if (res == SPIFFS_ERR_IS_FREE ||
res == SPIFFS_ERR_DELETED ||
res == SPIFFS_ERR_NOT_FINALIZED ||
res == SPIFFS_ERR_NOT_INDEX ||
res == SPIFFS_ERR_INDEX_SPAN_MISMATCH) {
res = SPIFFS_ERR_NOT_A_FILE;
}
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if !SPIFFS_READ_ONLY
if (flags & SPIFFS_O_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#endif // !SPIFFS_READ_ONLY
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return SPIFFS_FH_OFFS(fs, fd->file_nbr);
}
s32_t SPIFFS_lseek(spiffs *fs, spiffs_file fh, s32_t offs, int whence) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
fh = SPIFFS_FH_UNOFFS(fs, fh);
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES(fs, res);
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
switch (whence) {
case SPIFFS_SEEK_CUR:
offs = fd->fdoffset+offs;
break;
case SPIFFS_SEEK_END:
offs = (fd->size == SPIFFS_UNDEFINED_LEN ? 0 : fd->size) + offs;
break;
}
if ((offs > (s32_t)fd->size) && (SPIFFS_UNDEFINED_LEN != fd->size)) {
res = SPIFFS_ERR_END_OF_OBJECT;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
spiffs_span_ix data_spix = offs / SPIFFS_DATA_PAGE_SIZE(fs);
spiffs_span_ix objix_spix = SPIFFS_OBJ_IX_ENTRY_SPAN_IX(fs, data_spix);
if (fd->cursor_objix_spix != objix_spix) {
spiffs_page_ix pix;
res = spiffs_obj_lu_find_id_and_span(
fs, fd->obj_id | SPIFFS_OBJ_ID_IX_FLAG, objix_spix, 0, &pix);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
fd->cursor_objix_spix = objix_spix;
fd->cursor_objix_pix = pix;
}
fd->fdoffset = offs;
SPIFFS_UNLOCK(fs);
return offs;
}
s32_t SPIFFS_close(spiffs *fs, spiffs_file fh) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
s32_t res = SPIFFS_OK;
SPIFFS_LOCK(fs);
#if SPIFFS_CACHE
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = spiffs_fd_return(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return res;
}
spiffs_file SPIFFS_open(spiffs *fs, char *path, spiffs_flags flags, spiffs_mode mode) {
(void)mode;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)path, &pix);
if ((flags & SPIFFS_CREAT) == 0) {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if ((flags & SPIFFS_CREAT) && res == SPIFFS_ERR_NOT_FOUND) {
spiffs_obj_id obj_id;
// no need to enter conflicting name here, already looked for it above
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (u8_t*)path, SPIFFS_TYPE_FILE, &pix);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
flags &= ~SPIFFS_TRUNC;
} else {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
res = spiffs_object_open_by_page(fs, pix, fd, flags, mode);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if (flags & SPIFFS_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return fd->file_nbr;
}
s32_t spiffs_remove(spiffs *fs, const char *path) {
#if SPIFFS_READ_ONLY
(void)fs;
(void)path;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
s32_t res;
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)path, &pix);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix, fd, 0,0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_truncate(fd, 0, 1);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
spiffs_file ICACHE_FLASH_ATTR SPIFFS_open(spiffs *fs, const char *path, spiffs_flags flags, spiffs_mode mode) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
spiffs_page_ix pix;
s32_t res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)path, &pix);
if ((flags & SPIFFS_CREAT) == 0) {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if ((flags & SPIFFS_CREAT) && res == SPIFFS_ERR_NOT_FOUND) {
spiffs_obj_id obj_id;
res = spiffs_obj_lu_find_free_obj_id(fs, &obj_id);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_create(fs, obj_id, (u8_t*)path, SPIFFS_TYPE_FILE, &pix);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
flags &= ~SPIFFS_TRUNC;
} else {
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
res = spiffs_object_open_by_page(fs, pix, fd, flags, flags);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if (flags & SPIFFS_TRUNC) {
res = spiffs_object_truncate(fd, 0, 0);
if (res < SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset = 0;
SPIFFS_UNLOCK(fs);
return fd->file_nbr;
}
s32_t ICACHE_FLASH_ATTR SPIFFS_fflush(spiffs *fs, spiffs_file fh) {
SPIFFS_API_CHECK_MOUNT(fs);
s32_t res = SPIFFS_OK;
#if SPIFFS_CACHE_WR
SPIFFS_LOCK(fs);
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs,res);
SPIFFS_UNLOCK(fs);
#endif
return res;
}
s32_t SPIFFS_eof(spiffs *fs, spiffs_file fh) {
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
spiffs_fd *fd;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = (fd->fdoffset >= (fd->size == SPIFFS_UNDEFINED_LEN ? 0 : fd->size));
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_tell(spiffs *fs, spiffs_file fh) {
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
spiffs_fd *fd;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = fd->fdoffset;
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_rename(spiffs *fs, const char *old, const char *newname) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_page_ix pix_old, pix_dummy;
spiffs_fd *fd;
s32_t res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)old, &pix_old);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)newname, &pix_dummy);
if (res == SPIFFS_ERR_NOT_FOUND) {
res = SPIFFS_OK;
} else if (res == SPIFFS_OK) {
res = SPIFFS_ERR_CONFLICTING_NAME;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_fd_find_new(fs, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_open_by_page(fs, pix_old, fd, 0, 0);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_object_update_index_hdr(fs, fd, fd->obj_id, fd->objix_hdr_pix, 0, (u8_t*)newname,
0, &pix_dummy);
if (res != SPIFFS_OK) {
spiffs_fd_return(fs, fd->file_nbr);
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_fflush(spiffs *fs, spiffs_file fh) {
(void)fh;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
s32_t res = SPIFFS_OK;
#if SPIFFS_CACHE_WR
SPIFFS_LOCK(fs);
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs,res);
SPIFFS_UNLOCK(fs);
#endif
return res;
}
s32_t SPIFFS_stat(spiffs *fs, const char *path, spiffs_stat *s) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
s32_t res;
spiffs_page_ix pix;
res = spiffs_object_find_object_index_header_by_name(fs, (u8_t*)path, &pix);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_stat_pix(fs, pix, 0, s);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_read_notify(spiffs *fs, spiffs_file fh, void *buf, s32_t chunk_no, s32_t chunk_len, void (*notify_handle)(void*, void*), void* notify_data) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
s32_t len = chunk_no * chunk_len;
fh = SPIFFS_FH_UNOFFS(fs, fh);
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
if ((fd->flags & SPIFFS_RDONLY) == 0) {
res = SPIFFS_ERR_NOT_READABLE;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
if (fd->size == SPIFFS_UNDEFINED_LEN && len > 0) {
// special case for zero sized files
res = SPIFFS_ERR_END_OF_OBJECT;
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
if (fd->fdoffset + len >= fd->size) {
// reading beyond file size
s32_t avail = fd->size - fd->fdoffset;
if (avail <= 0) {
SPIFFS_API_CHECK_RES_UNLOCK(fs, SPIFFS_ERR_END_OF_OBJECT);
}
res = spiffs_object_read_notify(fd, fd->fdoffset, avail, buf, chunk_len, notify_handle, notify_data);
if (res == SPIFFS_ERR_END_OF_OBJECT) {
fd->fdoffset += avail;
SPIFFS_UNLOCK(fs);
return avail;
} else {
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
len = avail;
}
} else {
// reading within file size
res = spiffs_object_read_notify(fd, fd->fdoffset, len, buf, chunk_len, notify_handle, notify_data);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
}
fd->fdoffset += len;
SPIFFS_UNLOCK(fs);
return len;
}
s32_t SPIFFS_gc_quick(spiffs *fs, u16_t max_free_pages) {
#if SPIFFS_READ_ONLY
(void)fs; (void)max_free_pages;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_gc_quick(fs, max_free_pages);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_gc(spiffs *fs, u32_t size) {
#if SPIFFS_READ_ONLY
(void)fs; (void)size;
return SPIFFS_ERR_RO_NOT_IMPL;
#else
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
res = spiffs_gc_check(fs, size);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
SPIFFS_UNLOCK(fs);
return 0;
#endif // SPIFFS_READ_ONLY
}
s32_t SPIFFS_fstat(spiffs *fs, spiffs_file fh, spiffs_stat *s) {
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
spiffs_fd *fd;
s32_t res;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
spiffs_fflush_cache(fs, fh);
#endif
res = spiffs_stat_pix(fs, fd->objix_hdr_pix, fh, s);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_stat(spiffs *fs, const char *path, spiffs_stat *s) {
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
if (strlen(path) > SPIFFS_OBJ_NAME_LEN - 1) {
SPIFFS_API_CHECK_RES(fs, SPIFFS_ERR_NAME_TOO_LONG);
}
SPIFFS_LOCK(fs);
s32_t res;
spiffs_page_ix pix;
res = spiffs_object_find_object_index_header_by_name(fs, (const u8_t*)path, &pix);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
res = spiffs_stat_pix(fs, pix, 0, s);
SPIFFS_UNLOCK(fs);
return res;
}