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add: mem spiffs wipe

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This commit is contained in:
iceman1001 2020-08-08 12:33:12 +02:00
commit ccbfdf9e88
5 changed files with 93 additions and 23 deletions
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51
armsrc/spiffs.c
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@ -472,16 +472,20 @@ int rdv40_spiffs_is_symlink(const char *s) {
// ATTENTION : you must NOT provide the whole filename (so please do not include the .lnk extension)
// TODO : integrate in read_function
int rdv40_spiffs_read_as_symlink(char *filename, uint8_t *dst, uint32_t size, RDV40SpiFFSSafetyLevel level) {
RDV40_SPIFFS_SAFE_FUNCTION( //
char linkdest[SPIFFS_OBJ_NAME_LEN]; //
char linkfilename[SPIFFS_OBJ_NAME_LEN]; //
RDV40_SPIFFS_SAFE_FUNCTION(
char linkdest[SPIFFS_OBJ_NAME_LEN];
char linkfilename[SPIFFS_OBJ_NAME_LEN];
sprintf(linkfilename, "%s.lnk", filename);
if (DBGLEVEL > 1) Dbprintf("Linkk real filename is destination is : %s", linkfilename);
if (DBGLEVEL > 1) Dbprintf("Linkk real filename is : " _YELLOW_("%s"), linkfilename);
read_from_spiffs((char *)linkfilename, (uint8_t *)linkdest, SPIFFS_OBJ_NAME_LEN);
if (DBGLEVEL > 1) Dbprintf("Symlink destination is : %s", linkdest);
read_from_spiffs((char *)linkdest, (uint8_t *)dst, size); //
)
}
if (DBGLEVEL > 1) Dbprintf("Symlink destination is : " _YELLOW_("%s"), linkdest);
read_from_spiffs((char *)linkdest, (uint8_t *)dst, size);
)
}
// BEWARE ! This function is DESTRUCTIVE as it will UPDATE an existing symlink
// Since it creates a .lnk extension file it may be minor to mistake the order of arguments
@ -601,6 +605,37 @@ void rdv40_spiffs_safe_print_tree(uint8_t banner) {
rdv40_spiffs_lazy_mount_rollback(changed);
}
void rdv40_spiffs_safe_wipe(void) {
int changed = rdv40_spiffs_lazy_mount();
spiffs_DIR d;
struct spiffs_dirent e;
struct spiffs_dirent *pe = &e;
SPIFFS_opendir(&fs, "/", &d);
while ((pe = SPIFFS_readdir(&d, pe))) {
if (rdv40_spiffs_is_symlink((const char *)pe->name)) {
char linkdest[SPIFFS_OBJ_NAME_LEN];
read_from_spiffs((char *)pe->name, (uint8_t *)linkdest, SPIFFS_OBJ_NAME_LEN);
remove_from_spiffs(linkdest);
Dbprintf(".lnk removed %s", pe->name);
remove_from_spiffs((char *)pe->name);
Dbprintf("removed %s", linkdest);
} else {
remove_from_spiffs((char *)pe->name);
Dbprintf("removed %s", pe->name);
}
}
SPIFFS_closedir(&d);
rdv40_spiffs_lazy_mount_rollback(changed);
}
// Selftest function
void test_spiffs(void) {