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stmhal/moduos: Implement POSIX behaviour of rename, allow to overwrite.

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This commit is contained in:
Damien George 2016-12-02 15:13:29 +11:00
parent b7df3e541a
commit f7545b200e
1 changed files with 8 additions and 0 deletions
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8
stmhal/moduos.c
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@ -183,6 +183,14 @@ STATIC mp_obj_t os_rename(mp_obj_t path_in, mp_obj_t path_out) {
const char *old_path = mp_obj_str_get_str(path_in); const char *old_path = mp_obj_str_get_str(path_in);
const char *new_path = mp_obj_str_get_str(path_out); const char *new_path = mp_obj_str_get_str(path_out);
FRESULT res = f_rename(old_path, new_path); FRESULT res = f_rename(old_path, new_path);
if (res == FR_EXIST) {
// if new_path exists then try removing it
res = f_unlink(new_path);
if (res == FR_OK) {
// try to rename again
res = f_rename(old_path, new_path);
}
}
switch (res) { switch (res) {
case FR_OK: case FR_OK:
return mp_const_none; return mp_const_none;