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extmod/vfs_fat: Add getcwd() method. 

Ported from stmhal.
This commit is contained in:
Paul Sokolovsky 2016-05-29 18:23:59 +03:00
parent f12146cbf6
commit cac6c9704e
1 changed files with 15 additions and 0 deletions
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15
extmod/vfs_fat.c
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@ -28,6 +28,7 @@
#include "py/mpconfig.h"
#if MICROPY_VFS_FAT
#include <string.h>
#include "py/nlr.h"
#include "py/runtime.h"
#include "lib/fatfs/ff.h"
@ -136,12 +137,26 @@ STATIC mp_obj_t fat_vfs_chdir(mp_obj_t path_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(fat_vfs_chdir_obj, fat_vfs_chdir);
/// Get the current directory.
STATIC mp_obj_t fat_vfs_getcwd(void) {
char buf[MICROPY_ALLOC_PATH_MAX + 1];
FRESULT res = f_getcwd(buf, sizeof buf);
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(fresult_to_errno_table[res])));
}
return mp_obj_new_str(buf, strlen(buf), false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(fat_vfs_getcwd_obj, fat_vfs_getcwd);
STATIC const mp_rom_map_elem_t fat_vfs_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_mkfs), MP_ROM_PTR(&fat_vfs_mkfs_obj) },
{ MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&fat_vfs_open_obj) },
{ MP_ROM_QSTR(MP_QSTR_listdir), MP_ROM_PTR(&fat_vfs_listdir_obj) },
{ MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&fat_vfs_mkdir_obj) },
{ MP_ROM_QSTR(MP_QSTR_chdir), MP_ROM_PTR(&fat_vfs_chdir_obj) },
{ MP_ROM_QSTR(MP_QSTR_getcwd), MP_ROM_PTR(&fat_vfs_getcwd_obj) },
{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&fat_vfs_remove_obj) },
{ MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&fat_vfs_rename_obj) },
};