int _rename_r(struct _reent *r, const char *from, const char *to) {
int res =
SPIFFS_rename(&fs, get_fixed_filename(from), get_fixed_filename(to));
(void) r;
set_errno(res);
return res;
}
int _unlink_r(struct _reent *r, const char *filename) {
int res = SPIFFS_remove(&fs, get_fixed_filename(filename));
(void) r;
set_errno(res);
return res;
}
int _rename_r(struct _reent *r, const char *from, const char *to) {
/*
* POSIX rename requires that in case "to" exists, it be atomically replaced
* with "from". The atomic part we can't do, but at least we can do replace.
*/
int res;
{
spiffs_stat ss;
res = SPIFFS_stat(&fs, (char *) to, &ss);
if (res == 0) {
SPIFFS_remove(&fs, (char *) to);
}
}
res = SPIFFS_rename(&fs, get_fixed_filename(from), get_fixed_filename(to));
(void) r;
set_errno(res);
return res;
}
int _open_r(struct _reent *r, const char *filename, int flags, int mode) {
spiffs_mode sm = 0;
int res;
int rw = (flags & 3);
(void) r;
(void) mode;
if (rw == O_RDONLY || rw == O_RDWR) sm |= SPIFFS_RDONLY;
if (rw == O_WRONLY || rw == O_RDWR) sm |= SPIFFS_WRONLY | SPIFFS_CREAT;
if (flags & O_CREAT) sm |= SPIFFS_CREAT;
if (flags & O_TRUNC) sm |= SPIFFS_TRUNC;
if (flags & O_APPEND) sm |= SPIFFS_APPEND | SPIFFS_CREAT;
/* Supported in newer versions of SPIFFS. */
/* if (flags && O_EXCL) sm |= SPIFFS_EXCL; */
/* if (flags && O_DIRECT) sm |= SPIFFS_DIRECT; */
res = SPIFFS_open(&fs, get_fixed_filename(filename), sm, 0);
if (res >= 0) {
res += NUM_SYS_FD;
}
set_errno(res);
return res;
}