int format_unknown_device(const char *device, const char* path, const char *fs_type)
{
LOGI("Formatting unknown device.\n");
// device may simply be a name, like "system"
if (device[0] != '/')
return erase_raw_partition(device);
// if this is SDEXT:, don't worry about it if it does not exist.
if (0 == strcmp(path, "/sd-ext"))
{
struct stat st;
Volume *vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->device, &st))
{
ui_print("No app2sd partition found. Skipping format of /sd-ext.\n");
return 0;
}
}
if (NULL != fs_type) {
if (strcmp("ext3", fs_type) == 0) {
LOGI("Formatting ext3 device.\n");
if (0 != ensure_path_unmounted(path)) {
LOGE("Error while unmounting %s.\n", path);
return -12;
}
return format_ext3_device(device);
}
if (strcmp("ext2", fs_type) == 0) {
LOGI("Formatting ext2 device.\n");
if (0 != ensure_path_unmounted(path)) {
LOGE("Error while unmounting %s.\n", path);
return -12;
}
return format_ext2_device(device);
}
}
if (0 != ensure_path_mounted(path))
{
ui_print("Error mounting %s!\n", path);
ui_print("Skipping format...\n");
return 0;
}
static char tmp[PATH_MAX];
sprintf(tmp, "rm -rf %s/*", path);
__system(tmp);
sprintf(tmp, "rm -rf %s/.*", path);
__system(tmp);
ensure_path_unmounted(path);
return 0;
}
int format_unknown_device(const char *device, const char* path, const char *fs_type)
{
LOGI("Formatting unknown device.\n");
if (fs_type != NULL && get_flash_type(fs_type) != UNSUPPORTED)
return erase_raw_partition(fs_type, device);
// if this is SDEXT:, don't worry about it if it does not exist.
if (0 == strcmp(path, "/sd-ext"))
{
struct stat st;
Volume *vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->device, &st))
{
ui_print("No app2sd partition found. Skipping format of /sd-ext.\n");
return 0;
}
}
if (NULL != fs_type) {
if (strcmp("ext3", fs_type) == 0) {
LOGI("Formatting ext3 device.\n");
if (0 != ensure_path_unmounted(path)) {
LOGE("Error while unmounting %s.\n", path);
return -12;
}
return format_ext3_device(device);
}
if (strcmp("ext2", fs_type) == 0) {
LOGI("Formatting ext2 device.\n");
if (0 != ensure_path_unmounted(path)) {
LOGE("Error while unmounting %s.\n", path);
return -12;
}
return format_ext2_device(device);
}
}
if (0 != ensure_path_mounted(path))
{
ui_print("Error mounting %s!\n", path);
ui_print("Skipping format...\n");
return 0;
}
static char tmp[PATH_MAX];
if (strcmp(path, "/data") == 0) {
sprintf(tmp, "cd /data ; for f in $(ls -a | grep -v ^media$); do rm -rf $f; done");
__system(tmp);
// if the /data/media sdcard has already been migrated for android 4.2,
// prevent the migration from happening again by writing the .layout_version
struct stat st;
if (0 == lstat("/data/media/0", &st)) {
char* layout_version = "2";
FILE* f = fopen("/data/.layout_version", "wb");
if (NULL != f) {
fwrite(layout_version, 1, 2, f);
fclose(f);
}
else {
LOGI("error opening /data/.layout_version for write.\n");
}
}
else {
LOGI("/data/media/0 not found. migration may occur.\n");
}
}
else {
sprintf(tmp, "rm -rf %s/*", path);
__system(tmp);
sprintf(tmp, "rm -rf %s/.*", path);
__system(tmp);
}
ensure_path_unmounted(path);
return 0;
}
int format_unknown_device(const char *device, const char* path, const char *fs_type)
{
LOGI("Formatting unknown device.\n");
if (fs_type != NULL && get_flash_type(fs_type) != UNSUPPORTED)
return erase_raw_partition(fs_type, device);
// if this is SDEXT:, don't worry about it if it does not exist.
if (0 == strcmp(path, "/sd-ext"))
{
struct stat st;
Volume *vol = volume_for_path("/sd-ext");
if (vol == NULL || 0 != stat(vol->device, &st))
{
ui_print("No app2sd partition found. Skipping format of /sd-ext.\n");
return 0;
}
}
if (NULL != fs_type) {
if (strcmp("ext3", fs_type) == 0) {
LOGI("Formatting ext3 device.\n");
if (0 != ensure_path_unmounted(path)) {
LOGE("Error while unmounting %s.\n", path);
return -12;
}
return format_ext3_device(device);
}
if (strcmp("ext2", fs_type) == 0) {
LOGI("Formatting ext2 device.\n");
if (0 != ensure_path_unmounted(path)) {
LOGE("Error while unmounting %s.\n", path);
return -12;
}
return format_ext2_device(device);
}
}
if (0 != ensure_path_mounted(path))
{
ui_print("Error mounting %s!\n", path);
ui_print("Skipping format...\n");
return 0;
}
static char tmp[PATH_MAX];
if (strcmp(path, "/data") == 0) {
sprintf(tmp, "cd /data ; for f in $(ls -a | grep -v ^media$); do rm -rf $f; done");
__system(tmp);
}
else {
sprintf(tmp, "rm -rf %s/*", path);
__system(tmp);
sprintf(tmp, "rm -rf %s/.*", path);
__system(tmp);
}
ensure_path_unmounted(path);
return 0;
}