diff options
Diffstat (limited to 'extmod/vfs.c')
| -rw-r--r-- | extmod/vfs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/extmod/vfs.c b/extmod/vfs.c index f158bd3877..3bdce80db8 100644 --- a/extmod/vfs.c +++ b/extmod/vfs.c @@ -228,11 +228,14 @@ mp_obj_t mp_vfs_umount(mp_obj_t mnt_in) { } MP_DEFINE_CONST_FUN_OBJ_1(mp_vfs_umount_obj, mp_vfs_umount); +// Note: buffering and encoding args are currently ignored mp_obj_t mp_vfs_open(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { enum { ARG_file, ARG_mode, ARG_encoding }; static const mp_arg_t allowed_args[] = { { MP_QSTR_file, MP_ARG_OBJ | MP_ARG_REQUIRED, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} }, { MP_QSTR_mode, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_QSTR(MP_QSTR_r)} }, + { MP_QSTR_buffering, MP_ARG_INT, {.u_int = -1} }, + { MP_QSTR_encoding, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} }, }; // parse args @@ -421,6 +424,32 @@ MP_DEFINE_CONST_FUN_OBJ_1(mp_vfs_stat_obj, mp_vfs_stat); mp_obj_t mp_vfs_statvfs(mp_obj_t path_in) { mp_obj_t path_out; mp_vfs_mount_t *vfs = lookup_path(path_in, &path_out); + if (vfs == MP_VFS_ROOT) { + // statvfs called on the root directory, see if there's anything mounted there + for (vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) { + if (vfs->len == 1) { + break; + } + } + + // If there's nothing mounted at root then return a mostly-empty tuple + if (vfs == NULL) { + mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL)); + + // fill in: bsize, frsize, blocks, bfree, bavail, files, ffree, favail, flags + for (int i = 0; i <= 8; ++i) { + t->items[i] = MP_OBJ_NEW_SMALL_INT(0); + } + + // Put something sensible in f_namemax + t->items[9] = MP_OBJ_NEW_SMALL_INT(MICROPY_ALLOC_PATH_MAX); + + return MP_OBJ_FROM_PTR(t); + } + + // VFS mounted at root so delegate the call to it + path_out = MP_OBJ_NEW_QSTR(MP_QSTR__slash_); + } return mp_vfs_proxy_call(vfs, MP_QSTR_statvfs, 1, &path_out); } MP_DEFINE_CONST_FUN_OBJ_1(mp_vfs_statvfs_obj, mp_vfs_statvfs); |