Volume* volume_for_device(const char* device)
{
int i;
struct dInfo* loc = findDeviceByBlockDevice(device);
for (i = 0; i < num_volumes; ++i)
{
Volume* v = &device_volumes[i];
if (v->device && strcmp(device, v->device) == 0)
return v;
if (v->device && loc && strcmp(loc->mnt, v->device) == 0)
return v;
}
return NULL;
}
// This routine handles the case where we can't open either /proc/mtd or /proc/emmc
int setLocationData(const char* label, const char* blockDevice, const char* mtdDevice, const char* fstype, unsigned long long size)
{
struct dInfo* loc = NULL;
if (label) loc = findDeviceByLabel(label);
if (!loc && blockDevice) loc = findDeviceByBlockDevice(blockDevice);
if (!loc)
return -1;
if (blockDevice) strcpy(loc->blk, blockDevice);
if (label) strcpy(loc->mnt, label);
if (mtdDevice){
strcpy(loc->dev, mtdDevice);
loc->memory_type = mtd;
if (strcmp(loc->mnt, "data") == 0)
strcpy(loc->format_location, "userdata");
else
strcpy(loc->format_location, loc->mnt);
} else {
loc->memory_type = emmc;
strcpy(loc->format_location, loc->blk);
}
// This is a simple
if (strcmp(loc->mnt, "boot") == 0 && fstype)
{
loc->mountable = 0;
if (strcmp(fstype, "vfat") == 0 || memcmp(fstype, "ext", 3) == 0 || strcmp(fstype, "auto") == 0)
loc->mountable = 1;
}
if (fstype) strcpy(loc->fst, fstype);
if (size && loc->sze == 0) loc->sze = size;
return 0;
}
void verifyFst()
{
FILE *fp;
char blkOutput[255];
char* blk;
char* arg;
char* ptr;
struct dInfo* dat;
// This has a tendency to hang on MTD devices.
if (isMTDdevice) return;
LOGI("=> Let's update filesystem types via verifyFst aka blkid.\n");
fp = __popen("blkid","r");
while (fgets(blkOutput, sizeof(blkOutput), fp) != NULL)
{
blk = blkOutput;
ptr = blkOutput;
while (*ptr > 32 && *ptr != ':') ptr++;
if (*ptr == 0) continue;
*ptr = 0;
// Increment by two, but verify that we don't hit a NULL
ptr++;
if (*ptr != 0) ptr++;
// Now, find the TYPE field
while (1)
{
arg = ptr;
while (*ptr > 32) ptr++;
if (*ptr != 0)
{
*ptr = 0;
ptr++;
}
if (strlen(arg) > 6)
{
if (memcmp(arg, "TYPE=\"", 6) == 0) break;
}
if (*ptr == 0)
{
arg = NULL;
break;
}
}
if (arg && strlen(arg) > 7)
{
arg += 6; // Skip the TYPE=" portion
arg[strlen(arg)-1] = '\0'; // Drop the tail quote
}
else
continue;
dat = findDeviceByBlockDevice(blk);
if (dat && strcmp(dat->fst, arg) != 0) {
LOGI("'%s' was '%s' now set to '%s'\n", dat->mnt, dat->fst, arg);
strcpy(dat->fst,arg);
}
}
__pclose(fp);
}
